80559-36-0

Upstream product

• 80527-82-8 methyl 2-[(3S)-4-chloro-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]-3-methylbut-2-enoate 
• 80559-15-5 methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate 
• 105995-50-4 magnesium 4-nitrobenzyl malonate 
• 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 
• 72789-82-3 (3S,4R)-4-(2,2-dimethoxyethyl)-3-[(1RS)-1-(p-nitrobenzyloxycarbonyloxy)ethyl]-2-oxoazetidine 
• 72789-82-3 (+/-)-4β-(2',2'-dimethoxyethyl)-3α-((1'R*)-p-nitrobenzyloxycarbonyloxyethyl)-2-azetidinone 
• 64066-71-3 Carbonic acid 4-nitro-benzyl ester (S)-1-[(3R,4S)-2-oxo-4-(2-oxo-ethyl)-azetidin-3-yl]-ethyl ester 
• 4457-32-3 4-nitrobenzyl chloroformate 
• 72447-85-9 cis-3-(1'R^*-hydroxyethyl-4-(2',2'-dimethoxyethyl))-2-azetidinone 
• 77447-98-4 (+/-)-4β-(2,2-dimethoxyethyl)-3β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one 
• 77447-99-5 (+/-)-4β-formylmethyl-3β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one 
• 76335-76-7 (+/-)-4β-carboxymethyl-3β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>azetidin-2-one 
• 100-11-8 1-bromomethyl-4-nitro-benzene 

Downstream Products

• 76335-78-9 (+/-)-p-nitrobenzyl 6α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-3,7-dioxo-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 78072-36-3 (5R,6S)-3-(Diphenoxy-phosphoryloxy)-6-[(R)-1-(4-nitro-benzyloxycarbonyloxy)-ethyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 78072-35-2 (+/-)-p-nitrobenzyl 6α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-7-oxo-3-phenylthio-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 65991-26-6 (+/-)-p-nitrobenzyl 3-<2-(p-nitrobenzyloxycarbonylamino)ethylthio>-6α-<(1R^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 76335-78-9 p-nitrobenzyl (+/-)-cis-6β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-3,7-dioxo-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 63582-78-5 (+/-)-epithienamycin A 
• 78072-36-3 (5R,6R)-3-(Diphenoxy-phosphoryloxy)-6-[(S)-1-(4-nitro-benzyloxycarbonyloxy)-ethyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 74819-56-0 p-nitrobenzyl (+/-)-cis-3-<(E)-2-acetamidovinylthio>-6β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 77359-12-7 p-nitrobenzyl (+/-)-cis-3-(2-acetamidoethylthio)-6β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 65322-98-7 (+/-)-epithienamycin B 
• 65991-26-6 (5RS,6RS,8RS)-p-nitrobenzyl 3-<2-(p-nitrobenzyloxycarbonylamino)ethylthio>-6-(1-p-nitrobenzyloxycarbonyloxyethyl)-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 133380-98-0 (5RS,6RS,8RS)-p-nitrobenzyl 3-diphenylthiophosphinoyl-6-(1-p-nitrobenzyloxycarbonyloxyethyl)-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 
• 76335-78-9 (5RS,6RS,8RS)-p-nitrobenzyl 3,7-dioxo-6-(1-p-nitrobenzyloxycarbonyloxyethyl)-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 65991-26-6 p-nitrobenzyl (+/-)-cis-3-<2-(p-nitrobenzyloxycarbonylamino)ethylthio>-6β-<(1S^*)-1-(p-nitrobenzyloxycarbonyloxy)ethyl>-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 

Relevant academic research and scientific papers

Olivanic Acid Analogues. Part 8. Halogenation and Sulphenylation Reactions leading Selectively to cis-Carbapenem Precursors; Stereospecific Synthesis of (+/-)-6-Epithienamycin

Introduction of halogen or sulphenyl substituents at C-7 of ketone 1, followed by stereospecific reduction steps, provides a selective route either to the (6RS,7RS,9RS) isomer 11 or to the (6RS,7RS,9SR) isomer 14 of 7-(1-hydroxyethyl)-8-oxo-3-oxa-1-azabic

STEREO- AND REGIOSPECIFIC ALLYLATION OF 4-CHLOROAZETIDINONES WITH ALLYLSILANES: CONVERGENT SYNTHESIS OF A KEY INTERMEDIATE FOR (+)-THIENAMYCIN

An efficient stereospecific synthesis of optically active 4-allylazetidinones (6, 7, 11, and 15a,b) has been accomplished using silver-promoted coupling reaction of allylsilanes (5 and 14b) with 4-chloroazetidinones (3, 4, and 10a,b) derived from penicillins.

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

TOTAL SYNTHESIS OF (+/-)EPITHIENAMYCINS A AND B

(+/-)-3R*-(1'S*-Hydroxyethyl)-4R*-(2',2'-dimethoxyethyl)-2-azetidinone (6), which was obtained from the 4-methoxycarbonylisoxazoline (4) as a major product, was converted into (+/-)-epithienamycins A(2) and B(3) vi

AN ALTERNATIVE TOTAL SYNTHESIS OF (+/-)-THIENAMYCIN

(+/-)-4β-(2',2'-Dimethoxyethyl)-3α-(1'R*)-p-nitrobenzylocarbonyloxyethyl)-2-azetidinone (4) was converted into the thienamycin derivative (2) protected with p-nitrobenzyl group, utilizing the carbene insertion reaction and subsequent introduction of the c