Cysteine derivatives
AssigneeSanten Pharmaceutical Co., Ltd.
InventorsTadashi Fujita, Masayuki Oya, Hideo Takashina, Tadashi Iso
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Abstract
This invention relates to the compounds: N-(mercaptoacy)-cysteine represented by the following formula wherein Z is selected from the group consisting of CH.sub.3 --CH<, (CH.sub.3).sub.2 C<, (CH.sub.2).sub.2 < and CH.sub.2 <, acting as agents for the liquefaction of sputum, intermediate therefor and a process for manufacture thereof. ##STR1##
Claims4
N-(2-mercaptoisobutyryl)-cysteine.
N-(2-mercaptopropionyl)-cysteine.
A composition for the liquefaction of sputum containing an effective amount of the N-(mercaptoacyl)-cysteine having the formula ##STR3## and a medicinal carrier.
A composition for the liquefaction of sputum containing an effective amount of the N-(mercaptoacyl)-cysteine having the formula ##STR4## and a medicinal carrier.
Dependencies are inferred from the claim text.