THIONE COMPOUND - FUJISAWA PHARMACEUTICAL CO

Title:

THIONE COMPOUND

Document Type and Number:

Japanese Patent JPS61218581

Kind Code:

A

Abstract:

NEW MATERIAL:The thine compound of formula I (R1 is H or lower alkyl; R2 is acyl).

EXAMPLE: 3-Formyl-5-methyl-1,3,4-thiadiazole-2(3H)-thione.

USE: An acylation agent.

PREPARATION: The compound of formula I can be produced by reacting the thiadiazole compound of formula II or its salt with an acylation agent comprising the organic acid of formula R2-OH or its derivative such as acetic anhydride in the presence of a base such as pyridine or a condensation agent at room temperature or under cooling.

Inventors:

YAZAWA HISATOYO
TAKEUCHI TOSHIO
KONO KEIKO
GOSHIMA SHUNSUKE

Application Number:

JP5896285A

Publication Date:

September 29, 1986

Filing Date:

March 22, 1985

Export Citation:

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Assignee:

FUJISAWA PHARMACEUTICAL CO

International Classes:

C07B43/06; C07B31/00; C07C67/00; C07C231/00; C07C231/02; C07D285/12; C07D285/125; (IPC1-7): C07B43/06; C07C102/00; C07D285/12

Other References:

CHEMICAL ABSTRACTS=1978
CHEMICAL ABSTRACTS=1976

Attorney, Agent or Firm:

Aoki High

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