78072-35-2

Upstream product

• 90629-15-5 (3S,4R)-3-[(R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl]-1-[1-(p-nitrobenzyloxycarbonyl)-1-triisopropoxyphosphoranylidenemethyl]-4-[(phenylthio)carbonylmethyl]-2-azetidinone 
• 76899-07-5 (3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one 
• 90628-93-6 3(S)-<1(R)-<(tert-butyldimethylsilyl)oxy>ethyl>-4(R)-<<(phenylthio)carbonyl>methyl>azetidin-2-one 
• 90629-38-2 (3S,4R)-3-[(R)-1-Hydroxyethyl]-4-[(phenylthio)carbonylmethyl]-2-azetidinone 
• 105995-50-4 magnesium 4-nitrobenzyl malonate 
• 76335-76-7 (+/-)-4β-carboxymethyl-3β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one 
• 78072-34-1 (+/-)-3α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-1--4β-<(phenylthio)carbonylmethyl>azetidin-2-one 
• 76347-45-0 (+/-)-3α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-4β-(3-p-nitrobenzyloxycarbonyl-2-oxopropyl)azetidin-2-one 
• 76335-78-9 (+/-)-p-nitrobenzyl 6α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-3,7-dioxo-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 76335-76-7 (+/-)-4β-carboxymethyl-3α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one 
• 64066-71-3 (3S,4R)-3-[(1RS)-1-(p-nitrobenzyloxycarbonyloxy)ethyl]-4-(2-oxoethyl)-2-oxoazetidine 
• 78072-37-4 Hydroxy-{(3S,4R)-3-[(R)-1-(4-nitro-benzyloxycarbonyloxy)-ethyl]-2-oxo-4-phenylsulfanylcarbonylmethyl-azetidin-1-yl}-acetic acid 4-nitro-benzyl ester 
• 78072-33-0 (+/-)-3α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-4β-<(phenylthio)carbonylmethyl>azetidin-2-one 
• 108-98-5 thiophenol 

Downstream Products

• 98243-79-9 sodium (+/-)-cis-6β-<(1S^*)-1-hydroxyethyl>-7-oxo-3-phenylthio-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 

Relevant academic research and scientific papers

AN EFFICIENT CARBAPENEM SYNTHESIS VIA AN INTRAMOLECULAR WITTIG REACTION OF NEW TRIALKOXYPHOSPHORANE-THIOLESTERS

New trialkoxyphosphorane-thiolesters 10, obtained by reaction of oxalimides 9 with trialkyl phosphite, were efficiently cyclized by an intramolecular Wittig reaction to give carbapenems 11.

Studies on the Syntheses of Heterocyclic Compounds. Part 877. An Alternative Synthesis of Protected (+/-)-Thienamycin and a Related Compound

An alternative total synthesis of protected (+/-)-thienamycin (2) and an analogue is described. (+/-)-4β-(2,2-Dimethoxyethyl)-3α-*)-1-(-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one (5), prepared from isoxazoline derivatives (4), was conve

Total Synthesis of (+/-)-Epithienamycins A and B and Derivatives

(+/-)-(3R*,4R*)-4-(2,2-Dimethoxyethyl)-3-*)-1-hydroxyethyl>azetidin-2-one (7), which has been stereoselectively synthesised via the 4-methoxycarbonylisoxazoline (4), was converted into (+/-)-epithienamycins A (2) and B