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.

Date of Patent:
Aug. 07, 2007

Filed:

Jan. 23, 2007
Applicants:

Muhammed Majeed, Piscataway, NJ (US);

Samuel Manoharan Thomas, Bangalore, IN;

Kalyanam Nagabhushanam, Piscataway, NJ (US);

Sivaprakash Kurumanghat Balakrishnan, Bangalore, IN;

Subbalakshmi Prakash, Piscataway, NJ (US);

Inventors:

Muhammed Majeed, Piscataway, NJ (US);

Samuel Manoharan Thomas, Bangalore, IN;

Kalyanam Nagabhushanam, Piscataway, NJ (US);

Sivaprakash Kurumanghat Balakrishnan, Bangalore, IN;

Subbalakshmi Prakash, Piscataway, NJ (US);

Assignee:

Sami Labs Limited, Bangalore, IN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Alkoxy aromatic compounds are conveniently dealkylated to the corresponding phenolic compounds by treatment with aluminum chloride/N,N-dimethyl aniline complex. Aromatic poly O-demethylation is a unique feature of this invention. This process is applicable to the manufacture of polyphenols such as Resveratrol, Oxyresveratrol, Gnetol.


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