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Patent Searching and Data


Title:
PRODUCTION OF THIOPHENOL AND NOVEL THIOPHENOL
Document Type and Number:
Japanese Patent JPS6450857
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject compd. useful as an intermediate for synthesizing herbicides in a high yield with a high purity by bringing easily available halobenzene into reaction with sodium hydrogen sulfide, etc., in the presence of a diluent, then adding an acid to the reaction product.

CONSTITUTION: The compd. formula II is obtd. by bringing the halobenzene of formula I (R1 to R4 are H, halogen, nitro, alkyl, etc.; R5 is alkyl, alkoxyalkyl, etc.; X is carbonyl, sulfinyl, etc.; Hal is halogen) into reaction with the sodium hydrogen sulfide or sodium sulfide in the presence of the diluent (e.g.: N- methylpyrrolidone, DMF, etc.). The acid (e.g.; Hcl, dilute sulfuric acid, etc.) is then added thereto to obtain the thiophenol of formula III.


Inventors:
HERUMAN HAAGEMAN
KURAUSU SATSUSE
RAINAA FUITSUSHIYAA
Application Number:
JP18705088A
Publication Date:
February 27, 1989
Filing Date:
July 28, 1988
Export Citation:
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Assignee:
BAYER AG
International Classes:
C07D239/47; A01N43/54; C07B45/06; C07C319/02; C07C323/22; C07C323/62; C07C323/65; C07D213/72; C07D239/38; C07D239/46; (IPC1-7): C07C148/00; C07C149/32; C07C149/44; C07D239/47
Attorney, Agent or Firm:
Heiyoshi Odashima