Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1988-04-27
1990-04-17
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C14940
Patent
active
049182218
ABSTRACT:
A valuable starting material for the manufacture of tetrachlorothioindigo pigments is 2,5-dichlorophenylthioglycollic acid which is prepared by:
REFERENCES:
patent: 4461911 (1984-07-01), Schutze et al.
Gundermann et al., Methoden der Organischen Chemie, vol. E11, p. 56 (1985).
Bauer Wolfgang
Steckelberg Willi
Cassella AG
Shippen Michael L.
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