Patent · US Expired

Preparation cyano substituted cyclopropane

US4118412A · kind A · utility

6Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1977
Grant dateOct 3, 1978
Priority date
Expiry dateJul 7, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C255/45
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of cyclopropane compounds which comprises reacting a compound of formula: EQU Y--CH.sub.2 --CN with a diene of formula: EQU CX.sub.2 =CH--CH=C(CH.sub.3).sub.2 in the presence of at least one reducible copper salt, X being chlorine or bromine and Y being cyano, alkoxycarbonyl containing up to four carbon atoms in the alkoxy moiety, benzyloxycarbonyl, phenoxybenzyloxycarbonyl or 2,2-dichlorovinyloxybenzyloxycarbonyl.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.