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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 4775679 B1

PDFFull Text
Date of Patent:
Oct. 04, 1988

Filed:

May. 04, 1987

Certain heterocyclic-ethyl-2,3-dihydrobenzofurans useful as

Applicant:
Inventors:

Michael N Chang, Westfield, NJ (US);

David A Boulton, Edison, NJ (US);

Kathryn L Thompson, Westfield, NJ (US);

Assignee:

Merck & Co., Inc., Rahway, NJ (US);

Attorneys:

Cheng; Theresa Y.

Sudol; Michael C.

Primary Examiner:

Mary C Lee

Assistant Examiner:

Bernard I Dentz

Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514397 ; 514382 ; 514422 ; 514443 ; 514444 ; 514469 ; 548251 ; 548252 ; 548253 ; 548336 ; 548525 ; 549 57 ; 549 51 ; 549 58 ; 549 60 ; 549463 ; 549470 ; 549471 ;
Abstract

Phenylalkyl-2,3-dihydrobenzofurans and analogs were prepared by (1) nucleophilic substitution involving an appropriately substituted 2,3-dihydrobenzofuranol (or 2,3-dihydrobenzopyranol) and a cinnamylhalide followed by reduction; or (2) by Wittig reaction involving a halomethyl derivative of 2,3-dihydrobenzofuran (or 2,3-dihydrobenzopyran and an aryl or a heteroaryl aldehyde followed by reduction. These compounds were found to be potent anti-inflammatory agents.

Find Patent Forward Citations

Chang, Michael. (1988). Certain heterocyclic-ethyl-2,3-dihydrobenzofurans useful as (U.S. Patent No. 4775679). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4775679

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

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