Tag Archives: dibenzofuranpyran-type

Arylheterocycle substituted dibenzofuranpyran-type photochromic compound and its preparing process and usage

Application Number: 00108073Application Date: 2000.06.12Publication Number: 1328109Publication Date: 2001.12.26Priority Information: International: C08J5/18;C09D11/00;C09K9/02Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Fan Meigong;Wei Jingqiang;Zhu AipingPatent Agency Code: 31002Patent Agent: li baiAbstract A photochromic compound is prepared through cyclization reaction between 2-hydroxy dibenzofuran and propynol derivative. Said propynol derivative is prepared by reaction between… Read More »