74288-37-2

Basic information

• Product Name: 4-nitrobenzyl (2R*,3S*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4,β-dioxo-2-azetidinebutyrate
• CAS NO: 74288-37-2
• Molecular Weight: 578.853
• Mol File: 74288-37-2.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: 4-nitrobenzyl (2R*,3S*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4,β-dioxo-2-azetidinebutyrate(CAS DataBase Reference)
• NIST Chemistry Reference: 4-nitrobenzyl (2R*,3S*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4,β-dioxo-2-azetidinebutyrate(74288-37-2)
• EPA Substance Registry System: 4-nitrobenzyl (2R*,3S*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4,β-dioxo-2-azetidinebutyrate(74288-37-2)

Safety Data

• Hazardous Substances Data: 74288-37-2(Hazardous Substances Data)

Upstream product

• 83641-61-6 (3S*,4R*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4-(2-propynyllithium)-2-azetidinone 
• 4457-32-3 4-nitrobenzyl chloroformate 
• 83641-63-8 (Z)-4-{(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-3-phenylsulfanyl-but-2-enoic acid 4-nitro-benzyl ester 
• 83641-62-7 4-nitrobenzyl (2R*,3S*)-1-tert-butyldimethylsilyl-3-<(R*)-1-tert-butyldimethylsilyloxyethyl>-4-oxo-2-azetidine-α-butynoate 
• 77120-95-7 (2S,3R)-3-Amino-2-((S)-1-hydroxy-ethyl)-pentanedioic acid 5-benzyl ester; hydrochloride 
• 77120-94-6 t-4-amino-c-2-methyl-6-oxotetrahydropyran-r-3-carboxylic acid hydrochloride 
• 77120-96-8 benzyl -4-oxoazetidin-2-yl> acetate 
• 77120-92-4 (2R,3S)-3-Benzylamino-2-((R)-1-hydroxy-ethyl)-pentanedioic acid diethyl ester 
• 77120-91-3 (E)-2-Acetyl-3-benzylamino-pent-2-enedioic acid diethyl ester 
• 77120-97-9 {(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-acetic acid benzyl ester 
• 77120-98-0 {(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-acetic acid 
• 77120-98-0 {(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-acetic acid 
• 75321-05-0 S,R-3-(1'-hydroxyethyl)-2-azetidinone-4-yl acetic acid 
• 85737-62-8 {(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-acetyl chloride 

Downstream Products

• 75321-08-3 (5R,6S)-3-(Diphenoxy-phosphoryloxy)-6-((R)-1-hydroxy-ethyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 75321-07-2 4-[(2S,3R)-3-((S)-1-Hydroxy-ethyl)-4-oxo-azetidin-2-yl]-3-oxo-butyric acid 4-nitro-benzyl ester 
• 74288-40-7 (2S,5S,6R)-6-((S)-1-Hydroxy-ethyl)-3,7-dioxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester 
• 64067-13-6 (5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-[2-(4-nitro-benzyloxycarbonylamino)-ethylsulfanyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 79543-87-6 4-[(2S,3R)-3-((S)-1-Formyloxy-ethyl)-4-oxo-azetidin-2-yl]-3-oxo-butyric acid 4-nitro-benzyl ester 
• 75321-07-2 4-[(2S,3R)-3-((R)-1-Hydroxy-ethyl)-4-oxo-azetidin-2-yl]-3-oxo-butyric acid 4-nitro-benzyl ester 

Relevant articles and documents

A formal total synthesis of thienamycin from 4-propargyl-2-azetidinone

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A MILD METHOD FOR THE CONVERSION OF PROPIOLIC ESTERS TO β-KETO ESTERS. APPLICATION TO THE FORMAL TOTAL SYNTHESIS OF (+/-)-THIENAMYCIN

An extremely mild method for the transformation of propiolic esters to β-keto esters via thiol addition is reported, including its succesful application to the synthesis of (+/-)-thienamycin.