Title:
3*33DIMETHYLLCYCLOPROPANEE1*22DICARBOXYLIC ACID ESTERS AND MANUFACTURE OF INTERMEDIATE FOR PRODUCING THEM
Document Type and Number:
Japanese Patent JPS562935
Kind Code:
A
Abstract:
A novel process for the preparation of 3,3-dimethylcyclopropane- 1,2-dicarboxylic acid esters of the formula I in which R and R' have the meaning indicated in the description, which is characterised in that 1,3-dichloro-2,2-dimethylpropane-1,3-dicarboxylic acid esters of the formula II are reacted at temperatures between 20 and 200 DEG C with zinc, if appropriate in the presence of a diluent, and novel 1,3-dichloro-2,2-dimethylpropane-1,3-dicarboxylic acid esters of the formula II and processes and intermediates for their preparation.
Inventors:
FURITSUTSU MAURERU
HANSUUYOOHAMU RIIBERU
UUBUE PURIISUNITSUTSU
HANSUUYOOHAMU RIIBERU
UUBUE PURIISUNITSUTSU
Application Number:
JP7726080A
Publication Date:
January 13, 1981
Filing Date:
June 10, 1980
Export Citation:
Assignee:
BAYER AG
International Classes:
C07C51/00; C07C53/19; C07C55/40; C07C67/00; C07C69/74; C07C69/63; (IPC1-7): C07C55/40; C07C67/14; C07C67/317; C07C69/63; C07C69/74
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