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:
Sep. 30, 2008

Filed:

Feb. 01, 2005
Applicants:

Michael Siskin, Randolph, NJ (US);

Alan Roy Katritzky, Gainesville, FL (US);

Kostyantyn Mykolayevich Kirichenko, Gainesville, FL (US);

Inventors:

Michael Siskin, Randolph, NJ (US);

Alan Roy Katritzky, Gainesville, FL (US);

Kostyantyn Mykolayevich Kirichenko, Gainesville, FL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 213/00 (2006.01); C07C 213/02 (2006.01); C07C 213/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Severely sterically hindered secondary aminoether alcohols are prepared by reacting an organic carboxylic acid or alkali metal salt of an organic carboxylic acid with a sulfonyl halide, a sulfuryl halide, a mixed sulfuryl ester halide or a mixed sulfuryl amide halide to yield a sulfonic-carboxylic anhydride compound which is then reacted with a dioxane to cleave the ring of the dioxane, yielding a cleavage product which cleavage product is then aminated with an alkylamine and hydrolyzed with base to yield the severely sterically hindered secondary aminoether alcohol.


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