Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1985-09-05
1987-06-02
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
564207, 564223, C07C14940, C07C10338, C07C10358
Patent
active
046705830
ABSTRACT:
This invention provides an amide compound represented by the formula ##STR1## wherein R.sub.1 is vinyl, 2-(methylsulfinyl)ethyl, 2-(methylsulfonyl)ethyl, 2-(2-acetylamino-2-carboxyethylthio)ethyl or 2-[2-(4-amino-4-carboxybutyrylamino)-2-(carboxymethylcarbamoyl)ethylthio]e thyl and R.sub.2 is hydrogen or lower alkyl, process for the preparation thereof, and antiallergic compositions cotaining the amide compound.
REFERENCES:
patent: 3235456 (1966-02-01), Thominet et al.
patent: 4442117 (1984-04-01), Kunz et al.
patent: 4579970 (1986-04-01), Hietaniemi et al.
Hori Mikio
Koda Akihide
Matsuura Naosuke
Tada Yukio
Yamawaki Ichiro
Clarke Vera C.
Lone Werren B.
Taiho Pharmaceutical Company Limited
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