Arylsulphonyl azetidine compounds, their preparation and their use as intermediates
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0114079A1
公开(公告)日:1984-07-25
Azetidine compounds of the general formula I
wherein Ar represents an aryl group and X represents a hydrogen atom, a carboxyl group or a hydroxymethyl group; their preparation from pentaerythritol via compounds of formula
wherein Hal represents chlorine, bromine or iodine, Y represents oxygen or
and Z represents Hal or OH, together with their use as intermediates in the preparation of 3-carboxyazetidine; also the compounds of formula
通式 I 的氮杂环丁烷化合物 其中 Ar 代表芳基,X 代表氢原子、羧基或羟甲基;通过式中 Hal 代表氯、溴或碘,Y 代表氧或,Z 代表 Hal 或 OH 的化合物从季戊四醇制备氮杂环丁烷,以及将其用作制备 3-羧基氮杂环丁烷的中间体;还有式中化合物