Patent · US Expired

Carbazole methyl malonates

US4158007A · kind A · utility

3Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1978
Grant dateJun 12, 1979
Priority date
Expiry dateAug 21, 1998

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for the preparation of .alpha.-methyl-carbazole-2-acetic acids, which comprises reacting an .alpha.-methyl-3-oxocyclohexane malonic acid di-lower alkyl ester with a substituted phenylhydrazine, and thereafter sequentially oxidizing and hydrolyzing the reaction product to obtain the desired acid, is described.

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