Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1977-12-12
1980-10-28
Trousof, Natalie
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562444, C07C 9900, C07C10172
Patent
active
042308836
ABSTRACT:
The invention relates to the hydrohalide salts of L-.alpha. -methyl-3,4-dihydroxyphenylalanine (methydopa). The method of preparing these and related compounds in the absence of water or other polar solvents is also shown.
REFERENCES:
patent: 2868818 (1959-01-01), Pfister et al.
patent: 3158648 (1964-11-01), Jones et al.
patent: 3830836 (1974-08-01), Soichiro et al.
patent: 3832388 (1974-08-01), Lorenz
Merck Index, 8th Ed. pp. 684 (1968).
Merck Index 9th, p. 790, #5925 (1976).
Pines Seemon H.
Saperstein David D.
Lopez Gabriel
Merck & Co. , Inc.
Reamer James H.
Szura Daniel T.
Trousof Natalie
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