Document Type and Number:
Japanese Patent JPH03396
Kind Code:
B2
Abstract:
Penems I (R=H, lower alkyl, 2,2,2-trichloroalkyl, benzyl, acetonyl, p-nitrobenzyl, p-methoxybenzyl, Ph, p-nitro-Ph, benzhydryl, acetoxymethyl, Me-CH-OCO2Et, CH2NHCOR2; R2=C1-C5 alkyl, aryl; Z=H, halo, OH, amino, carbamoyloxy, mercapto, pyridinium, OR3, OCOR3, NHCOR3, SR4; R3, R4 independently=lower alkyl, aryl, heterocyclic ring; n=0, 1) were prepd. Thus, 2.0g methylpenicillinate S-oxide in 40mL toluene and 2.8g butandiol diacetate were refluxed for 24 hrs. to give 1.4g 4β-vinylthio - [1,2-diacetoxymethyl - 1 - [methoxycarbonyl-2-methyl-2-propenyl - azetidine-2-on-S-oxide.
Inventors:
MOORICHIO FUOTSURYO
JOANNI FURANCHESUCHI
KOSHIMO SUKARAFUIRE
FUEDERIKO ARUKAMONE
OORORA SANFUIRITSUHO
JOANNI FURANCHESUCHI
KOSHIMO SUKARAFUIRE
FUEDERIKO ARUKAMONE
OORORA SANFUIRITSUHO
Application Number:
JP2108080A
Publication Date:
January 07, 1991
Filing Date:
February 23, 1980
Export Citation:
Assignee:
ERBA FARMITALIA
International Classes:
C07D499/00; A61K31/43; A61K31/545; A61P31/04; C07D205/09; C07D499/04; C07D499/06; C07D499/86; C07D499/861; C07D499/87; C07D499/88; C07D499/897; C07D501/00; C07F9/568
Next Patent: PULSATION ABSORBING HOSE