The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1977
Filed:
Sep. 23, 1975
Applicant:
Inventors:
Wataru Nagata, Nishinomiya, JA;
Kyo Okada, Osaka, JA;
Hiroshi Itazaki, Takarazuka, JA;
Tsutomu Aoki, Takatsuki, JA;
Assignee:
Shionogi & Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07F / ;
U.S. Cl.
CPC ...
2605 / ; 2602 / ; 2606 / ; 2606 / ; 2602 / ; 2606 / ; 2606 / ; 2602 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2606 / ; 2606 / ; 2606 / ; 2606 / ; 2606 / ; 260620 ; 2606 / ; 2606 / ;
Abstract
A novel process for producing o-hydroxybenzyl alcohols useful as raw materials or intermediates in chemical or pharmaceutical industries, which comprises reacting phenols or naphthols with aromatic boronic acids and aldehydes in the presence of organic carboxylic acids, followed by degradation of the cyclic ester intermediates.