Tag Archives: 2

Method for preparing 4-carboxyamino-2-substituted-1,2,3,4-tetrahydroquinoline

Application Number  00128382 Application Date  2000.11.28 Publication Number  1302800 Publication Date  2001.07.11 Priority Information   1999/11/30 US 60/167,967   International Classification  C07D215/42   Applicant(s) Name  Pfizer Products Inc.   Address     Inventor(s) Name  D.B. Damon;R.W. Dawger   Patent Agency Code  11038 Patent Agent  zhou zhongqi AbstractCholesterol ester transfer protein (CETP) inhibitors, as well as… Read More »

Preparation process of [2',4''-0-di-trimethyl silico)-erythromycin A-9-[0-(1-methoxyl-1-methylethyl)] oxime

Application Number: 00111012Application Date: 2000.04.14Publication Number: 1318547Publication Date: 2001.10.24Priority Information: International: C07H17/08Applicant(s) Name: Shandong Xinhua Pharmaceutical Co., Ltd.Address: Inventor(s) Name: Zhu Lianbo;Wang Zhiya;Qin ZewenPatent Agency Code: 37103Patent Agent: geng xiaAbstract The intermediate (2',4''-O-di-trimethyl silico)-erythromycin A-9-[O-methoxyl-1-methylethyl)] oxime for preparing clarithromycin is prepared through etherification of erythromycin A-9-oxide iwth pyridine hydrochloride as catalyst to obtain 9-[O-methoxyl-1-methylethyl)] erythromycin… Read More »

Novel 2,3-methylene amino acid compound, prepn. method therefor, pharmaceutical compositions contg. same

Application Number: 00119227Application Date: 2000.04.30Publication Number: 1277961Publication Date: 2000.12.27Priority Information: 1999/5/3 FR 9905601International: A61K31/401;A61K31/438;A61K31/4427;A61P43/00;C07D227/06;C07D401/12Applicant(s) Name: Adir Et CompagnieAddress: Inventor(s) Name: G. De Nantuel;P. Gronic;T. VibiremPatent Agency Code: 11038Patent Agent: liu jinhuiAbstract Compound of formula (I):wherein:n represents 2 or 3,R1 represents optionally substituted alkyl, cycloalkyl or optionally substituted phenyl,R2 represents amino, optionally substituted amidino, optionally substituted… Read More »

2,6-dinitro-p-cresol and is prepn. and use

Application Number: 00111247Application Date: 2000.07.28Publication Number: 1336362Publication Date: 2002.02.20Priority Information: International: C07C201/08;C07C201/14;C07C205/23Applicant(s) Name: Xu YitianAddress: Inventor(s) Name: Xu YitianPatent Agency Code: 37212Patent Agent: cai chaoqiangAbstract The present invention relates to the preparation method of 2,6-dinitropara cresol and its use, nitric acid is dripped to fused orthonitro-p-cresol, stir to obtain product. The qualitative determination using standard… Read More »

Prepn. of 2,2'-di(N-methylphthalimido-4-phenoxy) propane

Application Number: 00119539Application Date: 2000.08.01Publication Number: 1336364Publication Date: 2002.02.20Priority Information: International: C07D209/48Applicant(s) Name: Shanghai City Inst., of Synthetic ResinAddress: Inventor(s) Name: Hua Xiangyang;He Feifeng;Lu KaiPatent Agency Code: 31104Patent Agent: li shengzhuAbstract The present invention relates to the preparation of 2,2'-di(N-phthalimide-4-oxyphenyl) propane, bisphenol-A and sodium methoxide proceed reflux reaction in tluene solvent for 3-5 hr., reaction… Read More »

Method for preparing 2,6-dichloroaniline

Application Number: 00111440Application Date: 2000.01.13Publication Number: 1303847Publication Date: 2001.07.18Priority Information: International: C07C209/68;C07C211/52Applicant(s) Name: Linhai Medical Chemical Plant, Juhua GroupAddress: Inventor(s) Name: He ShuPatent Agency Code: 33100Patent Agent: xu guanshouAbstract The invented method uses carbonyl biiminobenzenesulfonic acid as raw material, and makes the said raw material undergo the processes of chlorination, hydrolysis reaction, distillation, acid pickling… Read More »

Process for synthesizing saponin with 2,4-O-disubstituted glucosylose chain

Application Number: 00119867Application Date: 2000.09.01Publication Number: 1291614Publication Date: 2001.04.18Priority Information: International: C07H15/20Applicant(s) Name: Shanghai Inst of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Yu Biao;Hui Yongzheng;Li BingPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract The present invention relates to a process for synthesizing a saponin from easily available aglycone and monosaccharide. The structural formula of… Read More »

Treatment of 2,3-acid producing waste water and resource recovering and utilizing method

Application Number: 00112133Application Date: 2000.03.13Publication Number: 1265376Publication Date: 2000.09.06Priority Information: International: C02F1/28Applicant(s) Name: Nanjing Univ.Address: Inventor(s) Name: Chen Jinlong;Su Xing;Zhang QuanxingPatent Agency Code: 32204Patent Agent: huang jiadongAbstract Waste water from 3-hydroxy-2-naphthoic acid production is made to pass through NDA-708 resin adsorption bed layer so that 2-naphthol and 3-hydroxy-2-nahthoic acid as adsorbed onto the resin and… Read More »

Prepn. of 2,2,6,6-tetraalkyl-4-piperylhydrazines

Application Number: 00121156Application Date: 2000.07.28Publication Number: 1336365Publication Date: 2002.02.20Priority Information: International: C07D211/58Applicant(s) Name: China Petrochemical Corp., Ltd.Address: Inventor(s) Name: Ye Gang;Yu Fang;Shi ZhaoPatent Agency Code: 72001Patent Agent: xu shuAbstract The present invention relates to the preparation of 2,2,6,6-tetraalkyl-4-piperylhydrazine compound, it includes: under the existence of water, C1-C10 aliphatic alcohol or C2-C6 aliphatic diacohol or their… Read More »

Method for preparing 2,4-dichlorophenylnitrile by using ammonia oxidation process and special-purpose catalyst

Application Number: 00114640Application Date: 2000.06.20Publication Number: 1328874Publication Date: 2002.01.02Priority Information: International: B01J27/14;B01J27/185;B01J27/186;B01J27/199;C07C253/24;C07C255/50Applicant(s) Name: Wuhan Univ.Address: Inventor(s) Name: Zheng Qiong;Huang Chi;Xie GuangyongPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a method for preparing 2,4-dichlorobenzonitrile by using ammonia oxidation process and its special-purpose catalyst. It is a multicomponent catalyst in which the V, Ti and… Read More »

Protective layer of gelatin base photographic product containing 1H-pyrazoldi[1,5-b][1,2,4] triazo type dark red colour former

Application Number: 00121655Application Date: 2000.07.17Publication Number: 1281160Publication Date: 2001.01.24Priority Information: 1999/7/15 US 09/354556International: G03C1/89Applicant(s) Name: Eastman Kodak Co.Address: Inventor(s) Name: H.-L. You;B. TomasPatent Agency Code: 72001Patent Agent: yang liqinAbstract The present invention relates to an overcoat composition comprising a water insoluble polymer having a Tg equal to or less than 30 DEG C and comprising… Read More »

Preparation of 2,4-dibromo-5-fluorobenzonitrile and 2,4-dibromo-5-fluorobenzoic acid by using ammonia oxidation process

Application Number: 00114642Application Date: 2000.06.20Publication Number: 1328996Publication Date: 2002.01.02Priority Information: International: C07C253/28;C07C255/49Applicant(s) Name: Wuhan Univ.Address: Inventor(s) Name: Huang Chi;Zheng QiongPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a novel compound-2,4-dibromo-5-fluorobenzonitrile and its preparation method, and preparation method of 2,4-dibromo-5-fluorobenzoic acid by using the said compound, i.e. it utilizes oxidation of 2,4-dibromo-5-fluoromethylphenylammonia to prepare… Read More »

1,2,4,5-tetrahydro-benzo[d] azepine compound

Application Number: 00122523Application Date: 2000.08.04Publication Number: 1283623Publication Date: 2001.02.14Priority Information: 1999/8/6 EP 99115557.3International: A61K31/55;A61K51/00;A61P25/00;C07D401/04;C07D401/14;C07D403/14Applicant(s) Name: F. Hafman-Raroche S.A.Address: Inventor(s) Name: G. Adan;A. Bingry;H.-P. MargiPatent Agency Code: 11038Patent Agent: du jingyangAbstract The present invention is concerned with 1,2,4,5-tetrahydro-benzo[d]azepin derivatives as well as with their pharmaceutically acceptable salts in their racemic and optically active form, which compounds… Read More »

Polypeptide-human alpha 2,3-sialyltransferase (ST3 GalVI) 9.57 and polynucleotide for coding it

Application Number: 00116632Application Date: 2000.06.21Publication Number: 1330147Publication Date: 2002.01.09Priority Information: International: A61K38/45;C07K16/40;C12N9/10;C12N15/54;C12N15/63;C12Q1/48;C12Q1/68Applicant(s) Name: Bode Gene Development Co Ltd, ShanghaiAddress: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract A novel polypeptide-human alpha 2.3-sialytransferase (STS Gal VI) 9.57, the polynucleotide for coding it, the process for preparing said polypeptide by DNA recombination, the application of… Read More »

3-(substituted phenyl) 1,2,3-benzotriazine-4-ketone compound with weeding activity

Application Number: 00123023Application Date: 2000.09.26Publication Number: 1345722Publication Date: 2002.04.24Priority Information: International: A01N43/707;C07D253/04Applicant(s) Name: Shenyang Inst. of Chemical EngineeringAddress: Inventor(s) Name: Xu Jidong;Li BinPatent Agency Code: 21101Patent Agent: cong fenglanAbstract The present invention relates to a kind of 3 (substituted phenyl) 1,2,3-phentriazine-4-ketone compound. Said invention also provides its general formula.

A novel polypeptide-human alpha 2,3-sialytransferase (ST3 GalVI) 9.13 and polynucleotide for coding this polypeptide

Application Number: 00116664Application Date: 2000.06.21Publication Number: 1329158Publication Date: 2002.01.02Priority Information: International: A61K38/45;C07K16/40;C12N9/10;C12N15/54;C12N15/63;C12Q1/48;C12Q1/68Applicant(s) Name: Shanghai Bode Gene Development Co. Ltd.Address: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a novel polypeptide-human alpha 2.3-sialyltransferase (ST3 GalVI) 9.13, polynucleotide for coding this polypeptide and a method for producing this polypeptide by using… Read More »

Mixture prepn. of fluoroglycofen-ethyl and 2,4-D butylate

Application Number: 00123096Application Date: 2000.10.18Publication Number: 1348687Publication Date: 2002.05.15Priority Information: International: A01N37/12Applicant(s) Name: Guan LijieAddress: Inventor(s) Name: Guan Lijie;Liu Fenglan;Hou YibingPatent Agency Code: 21002Patent Agent: xu zongfuAbstract The present invention relates to agricultural herbicide which is a mixture of fluoroglycofen-ethyl and 2,4D butyrate with wt. ratio of 1:1 to 1:70, and proper amount of adjurant… Read More »

Preparation method of 4-chloro-2,2,6,6-tetramethyl piperidine

Application Number: 00116878Application Date: 2000.06.30Publication Number: 1281850Publication Date: 2001.01.31Priority Information: International: C07D211/38Applicant(s) Name: Fine Chemical Plant, Shanghai Gaoqiao Petro-Chemical Co. Ltd.Address: Inventor(s) Name: Tian He;Chen Kongchang;Guo LinPatent Agency Code: 31113Patent Agent: chen zhiliangAbstract The present invention discloses a preparation method of 4-chloro-2,2,6,6-tetramethyl piperidine, and is characterized by that it uses 4-hydroxy-2,2,6,6-tetramethyl piperidine as raw material,… Read More »

2', 3'-O-isopropylidennucleoside 5'-thiophosphamino acid ester compound

Application Number: 00124565Application Date: 2000.09.22Publication Number: 1291615Publication Date: 2001.04.18Priority Information: International: A61K31/7068;A61K31/7072;A61P31/12;A61P31/18;A61P35/00;C07H19/10;C07H19/20Applicant(s) Name: Qinghua UnivAddress: Inventor(s) Name: Zhao Yufen;Miao Zhiwei;Han BoPatent Agency Code: 11201Patent Agent: luo wenqunAbstract A 2',3'-O-isopropylidennucleoside 5'-thiopho sphamino acid methyl ester compound is synthesized through dissolving thiophasphoryl chloride in tetrahydrofuran, adding amino acid methyl ester hydrochloride, dropping 2'3'-O-isopropyliden uridine, dropping acid capture,… Read More »

Use of 1,1-di(4-chlorophenyl-2,2,2-trichloroalcohol adduct

Application Number: 00117894Application Date: 2000.05.31Publication Number: 1319579Publication Date: 2001.10.31Priority Information: 1989/7/18 ES 8902527; 1990/6/27 ES 9001766International: C07C33/46Applicant(s) Name: Elf Atochem S.A.Address: Inventor(s) Name: J.P. Adelubao;J.C. SulaPatent Agency Code: 72001Patent Agent: tan mengshengAbstract The invention relates to a method for preparing 1,1-di(4-chlorophenyl-2,2,2-trichloroalcohol adduct from mixture containing 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol and at least one of 1-(4-chlorophenyl)-1-(2-chlorophenyl)-2,2,2-trichloroethanol, 1-(4-chlorophenyl)-1-(2-chlorophenyl)-2,2,2-trichloroethane and 1-(4-chlorophenyl)-1-(2-chlorophenyl)-2,2-dichloroethylene.

New polypeptide-human alpha 2,3-sialyltransferase 12.87 and polynuceotide for encoding such polypeptide

Application Number: 00127288Application Date: 2000.11.06Publication Number: 1352270Publication Date: 2002.06.05Priority Information: International: A61K38/45;C07K16/40;C12N9/10;C12N15/54;C12N15/63;C12Q1/48;C12Q1/68Applicant(s) Name: Bode Gene Development Co., Ltd., ShanghaiAddress: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a new kind of polypeptide, human alpha 2,3-sialytransferase 12.87, polynucleotides for encoding this polypeptide and DNA recombination process to produce the polypeptide.… Read More »

Use of 1,1-di (4-chlorophenyl)-2,2,2-trichloroalcohol adduct

Application Number: 00117895Application Date: 2000.05.31Publication Number: 1319578Publication Date: 2001.10.31Priority Information: 1989/7/18 ES 8902527; 1990/6/27 ES 9001766International: A01N31/00;C07C31/34Applicant(s) Name: Elf Atochem S.A.Address: Inventor(s) Name: J.P. Adelubao;J.D. SulaPatent Agency Code: 72001Patent Agent: tan mengshengAbstract The present invention relates to a method for producing an addition compound of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol using a mixture comprising 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol(p,p'-dicofol)and at least a first… Read More »

Herbicidal compositions containing propisochlor, 2,4-D and its derivatives

Application Number: 00110398Application Date: 2000.05.09Publication Number: 1269967Publication Date: 2000.10.18Priority Information: International: A01N37/10Applicant(s) Name: Songliao Chemical Co., Dalian CityAddress: Inventor(s) Name: Wang PiyePatent Agency Code: 21103Patent Agent: guo lihuaAbstract A herbicidal composition containing propisochlor and 2.4-D contains such components (wt.%) as propisochlor (10-60), 2.4-D (5-50), solvent (10-70) and emulsifier (8-15).Its wettable powder contains such components (wt.%)… Read More »

Process for preparing 2,6-di-tear-butyl p-cresol

Application Number: 00110191Application Date: 2000.03.13Publication Number: 1313270Publication Date: 2001.09.19Priority Information: International: C07C29/44;C07C39/06Applicant(s) Name: Tianyuan Group Co, Jinzhou Petro-Chemical CoAddress: Inventor(s) Name: Chen Qingsong;Liu Huanxing;Liu JiePatent Agency Code: 21115Patent Agent: cui gongmeiAbstract A process for preparing 2,6-di-tert-butyl p-cresol from isobutylene features that the processed ion exchange resin is used as catalyst, the ratio of p-cresol to… Read More »

Process for preparing cis-1-{2-[4-(6-methoxy-2-phenyl-1,2,3,4-tetralin-1-group)phenoxy]ethyl} pyrrolidine

Application Number: 00108576Application Date: 2000.05.18Publication Number: 1280128Publication Date: 2001.01.17Priority Information: 1999/5/24 US 60/135,578International: C07D295/08;C07D317/18Applicant(s) Name: Pfizer Product Co.Address: Inventor(s) Name: Zhao GuofengPatent Agency Code: 11038Patent Agent: zhou zhongqiAbstract This invention provides an improved process for cis-1-{2-[4-(6-methoxy-2-phenyl-1,2,3,4-tetrahydronaphthalen-1-yl)phen oxy]ethyl}pyrrolidine, which is an intermediate for the preparation of (-)cis-6-phenyl-5-[4-(2-pyrrolidin-1-yl-ethoxy)phenyl]-5,6,7,8-tetrahy dronaphthalene-2-ol which is useful for the treatment of osteoporosis.

Process for preparation of 2,3-pyridine dicarboxylic acid

Application Number: 00108288Application Date: 2000.05.10Publication Number: 1274720Publication Date: 2000.11.29Priority Information: 1999/5/10 AT A 832/99International: C07D213/78Applicant(s) Name: DSM Fine Chemical Austria GmbHAddress: Inventor(s) Name: K-H. Gieslbrecket;E. Biendorfill;K. RethPatent Agency Code: 11038Patent Agent: huang zexiongAbstract Process for the preparation of pure 2,3-pyridinedicarboxylic acids of the formula I which are substituted in position 4 and/or 5 and/or 6… Read More »

Process for preparing 2,2,4-trimethyl-1,3-pentadiol monoisobutyrate

Application Number: 00107939Application Date: 2000.05.31Publication Number: 1325841Publication Date: 2001.12.12Priority Information: International: C07C67/44;C07C69/28Applicant(s) Name: Jiangnan Inst Co Ltd, of Jilin Chemical Group, Jilin cityAddress: Inventor(s) Name: Wang Endong;Li DechunPatent Agency Code: 22102Patent Agent: yang tianxiuAbstract A process for preparing 2,2,4-trimethyl-1,3-pentadiol monoisobutyrate features that in the procedure of ester synthesis, the Ba(OH)2.8H2O is directly used in reaction… Read More »

Inorganic covalent 2,4,4-trichloro-2-hydroxy diphenyl ether antibiotic and its preparing method

Application Number: 00107870Application Date: 2000.06.28Publication Number: 1290482Publication Date: 2001.04.11Priority Information: International: A01N59/00Applicant(s) Name: Wang XuepingAddress: Inventor(s) Name: Wang Xueping;Shi YingjiPatent Agency Code: 11139Patent Agent: sun haochenAbstract The antibiotic contains 2,4,4-trichloro-2-hydroxy diphenyl ether, organosilicons double-stranded quaternary ammonium salt and lanthanium chloride as rare earth compound and is prepared through crushing, stoving, mixing of the said materials… Read More »

Binary dry-land herbicide recompounded with acetochlor and 2,4-D butylate

Application Number: 00105991Application Date: 2000.04.24Publication Number: 1267452Publication Date: 2000.09.27Priority Information: International: A01N37/06Applicant(s) Name: Pesticide Experiment Plant, Jilin City Academy of Agricultural SciencesAddress: Inventor(s) Name: Wang Xiaoli;Zhang XiaoboPatent Agency Code: 00000Patent Agent: Abstract The herbicide for corn and soya bean field is sprayed to soil surface to form herbicide layer on soil grains and absorbed by… Read More »

Ternary dry-land herbicide recompounded with acetochlor, 2,4-D butylate and prometryne

Application Number: 00105990Application Date: 2000.04.24Publication Number: 1267453Publication Date: 2000.09.27Priority Information: International: A01N43/66Applicant(s) Name: Pesticide Experiment Plant, Jilin City Academy of Agricultural SciencesAddress: Inventor(s) Name: Zhang Xiaobo;Wang XiaoliPatent Agency Code: 00000Patent Agent: Abstract The herbicide for corn and soya bean field is sprayed to soil surface to form herbicide layer on soil grains and absorbed by… Read More »