Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1977-11-10
1980-02-19
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 7946
Patent
active
041896050
ABSTRACT:
The invention is addressed to the preparation of 3-nitro-4-bromomethyl benzoic acid, as a new compound from which 3-nitro-4-bromomethyl benzoyl amide polystyrene resin can be prepared for solid synthesis of protected peptide acids and amides and separation thereof without cleavage of acid labile protecting groups or decomposition of aromatic acid groups and from which purified polypeptides can be formed.
REFERENCES:
Hoffman, Chemical Abstracts, vol. 63, 6901(e), 1965.
Beilsteins Handbuch der Organischen Chemie, 14, 489, Sep. No. 1905 (1931).
Beilsteins Handbuch der Organischen Chemie, 9, 504, Sep. No. 941 (1926).
Gurwara Sweet K.
Rich Daniel H.
Breitenstein G. T.
Helfin Bernard
Wisconsin Alumni Research Foundation
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