Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1997-11-21
1998-12-08
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C31500
Patent
active
058472053
ABSTRACT:
Homocystine is produced by heating methionine in the presence of sulfuric acid and a hydrogen halide.
REFERENCES:
patent: 4550199 (1985-10-01), Karrenbauer et al.
patent: 4550200 (1985-10-01), Karrenbauer et al.
L.W. Butz et al. The Formation of a Homologue of Cystine by the Decomposition of Methione with Sulfuric Acid, J. Biol. Chem. vol. 99 (1932), pp. 135-142.
K. Osono et al, Amino Acids from an Amino Acid, in Boiling 20 % HCl, Nagasaki Igakkai Zassi, vol. 30, No. 1 (1955), pp. 156-161.
Ichikawa Shuji
Iwane Hiroshi
Takehara Jun
Davis Brian J.
Geist Gary
Mitsubishi Chemical Corporation
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