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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.:

US 4703128 B1

PDFFull Text
Date of Patent:
Oct. 27, 1987

Filed:

Jul. 18, 1986

Guanidylfungin derivatives and their production

Applicant:
Inventors:

Teruhiko Beppu, Tokyo, JP;

Kazutoh Takesako, Kusatsu, JP;

Teruya Nakamura, Kusatsu, JP;

Akira Obayashi, Uji, JP;

Assignee:

Takahara Shuzo Co., Ltd., Kyoto, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

Glennon H Hollrah

Assistant Examiner:

D Dinner

Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549270 ; 549269 ; 549266 ;
Abstract

The feature of the present invention is a process for preparing compounds represented by general formula (Ia) described below: ##STR1## wherein X.sub.1, X.sub.2, X.sub.3, R.sub.1, R.sub.2, R.sub.3 and R.sub.7 are as defined in formula (I) and R.sub.10 represents a lower alkyl group, or acid salts thereof, which process is characterized by using the guanidylfungins (II) as raw materials, reacting these guanidylfungins with alcohols (III) in the presence of an acid catalyst, and then hydrolyzing the malonic acid monoester (IV).

Find Patent Forward Citations

Beppu, Teruhiko. (1987). Guanidylfungin derivatives and their production (U.S. Patent No. 4703128). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4703128

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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