申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0431571A2
公开(公告)日:1991-06-12
A cis-bicyclo[4.3.0]non-2-ene derivative of the formula:
wherein R is a hydrogen atom, or a protecting group for a hydroxyl group, R¹ is a hydrogen atom, a
C₁-C₁₂
straight or branched chain alkyl group, a substituted or unsubstituted phenyl group, a
C₆-C₁₂
aralkyl group containing a condensed aromatic ring or an aromatic hetero ring, or 1 equivalent of a cation, A is
-CH=CH-
CH₂-,
or
-CH₂-CH₂-O-,
R² is a
C₃-C₁₀
straight or branched chain alkyl group, a
C₁-C₃
alkyl group substituted by an aryloxy group which may be substituted, a
C₃-C₁₂
straight or branched chain alkenyl group, a
C₃-C₈
straight or branched chain alkynyl group, or a
C₁-C₃
alkyl group substituted by a phenyl or phenoxy group which may be substituted, by a
C₁-C₆
alkoxy group or by a
C₅-C₈
cycloalkyl group, R³ is a hydrogen atom, a methyl group, or a vinyl group, and X is a halogen atom.
式中的顺式-双环[4.3.0]壬-2-烯衍生物:
其中 R 是氢原子,或羟基的保护基团,R¹ 是氢原子,或羟基的保护基团,R² 是氢原子,或羟基的保护基团。
C₁-C₁₂
直链或支链烷基,取代或未取代的苯基
C₆-C₁₂ 直链或支链烷基
含有缩合芳香环或芳香杂环的芳烷基,或 1 个阳离子当量,A 是
-CH=CH-
CH₂-、
或
-CH₂-CH₂-O-、
R² 是一个
C₃-C₁₀
直链或支链烷基、一个
C₁-C₃
被可被取代的芳氧基取代的 C₁-C₃ 烷基
C₃-C₁₂烷基
C₃-C₁₂ 直链或支链烯基
C₃-C₁₂ 直链或支链烯基
直链或支链炔基,或
C₁-C₃ 直链或支链炔基,或
被苯基或苯氧基团取代的烷基,该苯基或苯氧基团可被
C₁-C₆
烷氧基或
C₅-C₈ 烷氧基或
环烷基,R³ 是氢原子、甲基或乙烯基,X 是卤素原子。