Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2005-05-24
2005-05-24
Zucker, Paul A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
Reexamination Certificate
active
06897334
ABSTRACT:
Methods are provided for the improved production of a creatine ester by in situ production of an acid catalyst.
REFERENCES:
patent: 0222135 (2002-03-01), None
Mold, J.D., et al., “Creatine ethyl ester”, J. Amer. Chem. Soc. 77: 178-180 (1955).
Nudelman, A., et al., “Acetyl chloride-methanol as a convenient reagent for: a) Quantitative formation of amine hydrochlorides b) carboxylate ester formation c) mild removal of N-t-BOC-protective group”, Synth. Comm. 28: 471-474 (1998).
Dox, A., et al., “Esterification of creatine”, J. Biol. Chem., 54: 671-673 (1922).
Board of Regents of the University of Nebraska
Dann Dorfman Herrell & Skillman P.C.
Zucker Paul A.
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