Process for obtaining D,L-homocystine (II)

Details Process for obtaining D,L-homocystine (II) Process for obtaining D,L-homocystine (II)

1984-03-15

1985-10-29

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C149243

Patent

active

045502005

ABSTRACT:
D,L-Homocystine is obtained by introducing molecular oxygen into an aqueous solution of the disodium salt of D,L-homocysteine having a concentration between 0.8 and 1.2 moles/l and an initial pH between 7.0 and 8.0 in the presence of a catalytic amount of iron(III) ions until there is no longer an increase in pH and subsequently adjusting the pH to about 5.3 with stirring.

REFERENCES:
patent: 3565959 (1971-02-01), Takase
patent: 3978137 (1976-08-01), Frame
Abderhalden, Chem. Abst., 17; 1810-1811 (1923).
Harris, Biochem. J., 16, pp. 739-746 (1922).
Reid, "Organic Chemistry of Bivalent Sulfur," vol. I, pp. 118-124 & 460-467 (1958).

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