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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 4421925 B1

PDFFull Text
Date of Patent:
Dec. 20, 1983

Filed:

May. 05, 1982

4-alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the same

Applicant:
Inventors:

Sumio Umemura, Ube, JP;

Kozo Fujii, Ube, JP;

Keigo Nishihira, Ube, JP;

Hiroyuki Sawada, Ube, JP;

Shuji Tanaka, Ube, JP;

Mamoru Nakai, Ube, JP;

Hiroshi Yoshida, Ube, JP;

Yoshiaki Kuroki, Ube, JP;

Assignee:

Ube Industries, Ltd., Ube, JP;

Attorney:

Frishauf, Holtz, Goodman & Woodward

Primary Examiner:

Ethel G Love

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549372 ;
Abstract

There are disclosed a 4-alkoxy-1,3-dioxane-5-carbonitrile which is a novel compound represented by the formula ##STR1## wherein R represents a lower-alkyl group, and which is useful as an intermediate for the synthesis of Vitamin B.sub.1, and a process for preparing the novel compound by subjecting a 3-alkoxy-2-propenenitrile to reaction with a formaldehyde in the presence of an acid catalyst.

Find Patent Forward Citations

Umemura, Sumio. (1983). 4-alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the same (U.S. Patent No. 4421925). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4421925

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

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