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:
Feb. 18, 2020
Filed:
Feb. 27, 2017
Applicant:
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;
Inventors:
Marc Crockatt, 's-Gravenhage, NL;
Jan Harm Urbanus, 's-Gravenhage, NL;
Assignee:
Nederlandse Organisaite Voor Toegepast-Natuurwetenschappelijk Onderzoek TNO, 's-Gravenhage, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/89 (2006.01); C07C 37/56 (2006.01); C07C 45/51 (2006.01); C07C 249/12 (2006.01); C07C 249/16 (2006.01); C07C 51/27 (2006.01); C07D 307/52 (2006.01); C07C 39/04 (2006.01); C07C 47/54 (2006.01); C07C 63/307 (2006.01); C07C 251/48 (2006.01); C07C 251/86 (2006.01); C07B 37/12 (2006.01);
U.S. Cl.
CPC ...
C07D 307/89 (2013.01); C07C 37/56 (2013.01); C07C 39/04 (2013.01); C07C 45/516 (2013.01); C07C 47/54 (2013.01); C07C 51/27 (2013.01); C07C 63/307 (2013.01); C07C 249/12 (2013.01); C07C 249/16 (2013.01); C07C 251/48 (2013.01); C07C 251/86 (2013.01); C07D 307/52 (2013.01); C07B 37/12 (2013.01);
Abstract
Described are methods for preparing phenols, benzene carboxylic acids, esters and anhydrides thereof from furanic compounds by reaction with a dienophile, wherein the furanic compounds are reacted with a hydrazine and/or oxime and then reacted with a dienophile.