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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 9908840 B1

PDFFull Text
Date of Patent:
Mar. 06, 2018

Filed:

Oct. 02, 2013

Reactions of aromatic substrates with base-activated hydrosilanes-silylations and reductive cleavage

Applicant:

California Institute of Technology, Pasadena, CA (US);

Inventors:

Robert H. Grubbs, South Pasadena, CA (US);

Alexey Fedorov, Zurich, CH;

Anton Toutov, Pasadena, CA (US);

Nicholas A. Swisher, Pasadena, CA (US);

Assignee:

California Institute of Technology, Pasadena, CA (US);

Attorney:

Baker & Hostetler LLP

Primary Examiner:

Timothy R Rozof

Int. Cl.
CPC ...
C07D 249/18 (2006.01); C07D 213/48 (2006.01); C07D 213/74 (2006.01); C07D 235/10 (2006.01); C07D 239/42 (2006.01); C07D 241/20 (2006.01); C07C 223/06 (2006.01); C07C 309/31 (2006.01); C07C 209/28 (2006.01); C07C 37/50 (2006.01); C07C 1/22 (2006.01); C07C 37/055 (2006.01); C07C 209/62 (2006.01); C07C 319/06 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
C07C 209/28 (2013.01); C07C 1/22 (2013.01); C07C 37/055 (2013.01); C07C 37/50 (2013.01); C07C 209/62 (2013.01); C07C 319/06 (2013.01); C07F 7/0814 (2013.01); C07F 7/0818 (2013.01); C07B 2200/05 (2013.01);
Abstract

The present invention describes chemical systems and methods for reducing C—O, C—N, and C—S bonds, said system comprising a mixture of (a) at least one organosilane and (b) at least one strong base, said system being substantially free of a transition-metal compound, and said system optionally comprising at least one molecular hydrogen donor compound, molecular hydrogen, or both.

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Grubbs, Robert. (2018). Reactions of aromatic substrates with base-activated hydrosilanes-silylations and reductive cleavage (U.S. Patent No. 9908840). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9908840

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