Chemistry of carbon compounds – Dipeptides – e.g. – aspartame – anserine – carnosine – etc.
Patent
1977-04-25
1978-03-07
Sutto, Anton H.
Chemistry of carbon compounds
Dipeptides, e.g., aspartame, anserine, carnosine, etc.
C07F 940
Patent
active
040780210
ABSTRACT:
The 19-cyano-20-nor derivatives of prostaglandins E.sub.1 and E.sub.2, and certain esters thereof, are bronchodilatory agents, useful in the treatment of bronchial asthma, bronchitis, pneumonia and emphysema. The 19-cyano-20-nor derivatives of prostaglandins E.sub.1 and E.sub.2, and certain esters thereof, which also have protecting groups on the hydroxy groups at C-11 and C-15 are useful intermediates for the preparation of the bronchodilatory agents of this invention.
REFERENCES:
pudovik et al., "Chem Abst.", (1956), 2429f.
Hess Hans-Jurgen E.
Schaaf Thomas K.
Pfizer Inc.
Sutto Anton H.
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