Title:
MANUFACTURE OF POLYFUNCTIONAL ORGANIC COMPOUNDS HAVING AT LEAST ONE MEDIUMLY NUCLEOPHILIC FUNCTIONAL GROUP SELECTIVELY PROTECTED WITH TERT-BUTYL GROUP
Document Type and Number:
Japanese Patent JPS584731
Kind Code:
A
Abstract:
For the preparation of polyfunctional organic compounds having at least one functional group of medium nucleophilic character selectively blocked by a tertiary butyl group, the corresponding unblocked compound is dissolved in a solution of concentrated sulfuric acid in an organic ether, and excess liquid isobutene is added to the solution at a temperature of not more than 5 DEG C.
Inventors:
KURISUCHIAN BIRU
Application Number:
JP9604782A
Publication Date:
January 11, 1983
Filing Date:
June 04, 1982
Export Citation:
Assignee:
MAX PLANCK GESELLSCHAFT
International Classes:
C07B51/00; C07B31/00; C07C41/05; C07C67/00; C07C67/04; C07C227/00; C07C227/16; C07C227/18; C07C229/22; C07C229/24; C07C239/00; C07C271/22; (IPC1-7): C07B29/00; C07C101/22; C07C125/063
Attorney, Agent or Firm:
Toshio Yano
Next Patent: MANUFACTURE OF CERAMICS CYLINDRICAL BODY