Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ISOPROPENYL ACETATE DERIVATIVE
Document Type and Number:
Japanese Patent JPH05186398
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject new compound, capable of efficiently introducing new carboxyl group into a compound to be acylated under mild conditions and useful as an acylating agent for various alcoholic hydroxyl groups or thiol groups.

CONSTITUTION: A compound expressed by formula I [R is H or carboxylic acid-protecting group; (n) is 1-7], e.g. benzyl isopropenyl succinate. This compound is obtained by reacting, e.g. a compound expressed by formula II with an isopropenyl ester of an organic acid in the presence of mercury acetate or an acidic catalyst at 20-40°C. Isopropenyl acetate is preferred as the isopropenyl ester of the organic acid. The raw material compound expressed by formula II is obtained by carrying out a method for reacting, e.g. the corresponding organic acid anhydride with an alcohol, etc. For example, boron trifluoride.etherate is used as the acidic catalyst.


Inventors:
KITA YASUYUKI
MAEDA HIROSHI
Application Number:
JP16678091A
Publication Date:
July 27, 1993
Filing Date:
July 08, 1991
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KITA YASUYUKI
International Classes:
C07C69/347; C07B41/12; (IPC1-7): C07B41/12; C07C69/347
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)



 
Previous Patent: JPS5186397

Next Patent: JPS5186399