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

Application Number: 00121156
Application Date: 2000.07.28
Publication Number: 1336365
Publication Date: 2002.02.20
Priority Information:
International: C07D211/58
Applicant(s) Name: China Petrochemical Corp., Ltd.
Address:
Inventor(s) Name: Ye Gang;Yu Fang;Shi Zhao
Patent Agency Code: 72001
Patent Agent: xu shu
Abstract 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 mixture, and use palladium or platinum loaded on porous carrier with pore side 10-500 A as catalyst, to proceed reaction between 2,2,6,6-tetraalkyl-4-piperidone and organic amine in fixed bed reactor, reaction temp. is 40-160 deg.C, reaction pressure is 0.1-10.0 MPa. Advantages: high conversion rate and selectivity, continuous production in large scale.