Product Name

  • Name

    p-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate

  • EINECS 616-072-7
  • CAS No. 74288-40-7
  • Article Data12
  • CAS DataBase
  • Density 1.56 g/cm3
  • Solubility
  • Melting Point 108-110oC
  • Formula C16H16N2O7
  • Boiling Point 607.5 °C at 760 mmHg
  • Molecular Weight 348.312
  • Flash Point 321.2 °C
  • Transport Information
  • Appearance White to off-white powder
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 74288-40-7 (p-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate)
  • Hazard Symbols
  • Synonyms 1-Azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-(1-hydroxyethyl)-3,7-dioxo-, (4-nitrophenyl)methyl ester, [5R-[5a,6a(R*)]]-;ADC 13;p-Nitrobenzyl(5R,6S)-6-((1R)-1-hydroxyethyl)-2-oxocarbapenam-3-carboxylate;p-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate;
  • PSA 129.73000
  • LogP 0.64830

Synthetic route

(3S,4R)-3-[(R)-1-hydroxyethyl)-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2-one
74288-39-4

(3S,4R)-3-[(R)-1-hydroxyethyl)-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2-one

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
With dirhodium tetraacetate In toluene at 80℃; for 2.5h; Cyclization;
rhodium (II) octanoate dimer In dichloromethane for 4 - 5h; Heating / reflux;
With nitrogen; rhodium(II) acetate In benzene
rhodium(II) acetate

rhodium(II) acetate

(3S,4R)-3-[(R)-1-hydroxyethyl)-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2-one
74288-39-4

(3S,4R)-3-[(R)-1-hydroxyethyl)-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2-one

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
In toluene
(3S,4R)-3-[(R)-1-hydroxyethyl]-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2one

(3S,4R)-3-[(R)-1-hydroxyethyl]-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxo-3-diazopropyl]azetidin-2one

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
With nitrogen; rhodium(II) acetate In benzene
(3S,4R)-benzyl N-(p-toluenesulfonyl)-3-((R)-1-(tert-butyldimethylsilyloxy)ethyl)-azetidin-2-one-4-carboxylate
1180012-46-7

(3S,4R)-benzyl N-(p-toluenesulfonyl)-3-((R)-1-(tert-butyldimethylsilyloxy)ethyl)-azetidin-2-one-4-carboxylate

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: samarium diiodide; samarium; isopropyl alcohol
2: 10% palladium on activated charcoal; hydrogen / tetrahydrofuran
3: lead(IV) tetraacetate / N,N-dimethyl-formamide
4: zinc(II) chloride / dichloromethane
5: hydrogenchloride; methanol
6: dirhodium tetraacetate / toluene
View Scheme
(3S,4R)-benzyl 3-((R)-1-(tert-butyldimethylsilyloxy)ethyl)-azetidin-2-one-4-carboxylate
1180012-50-3

(3S,4R)-benzyl 3-((R)-1-(tert-butyldimethylsilyloxy)ethyl)-azetidin-2-one-4-carboxylate

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 10% palladium on activated charcoal; hydrogen / tetrahydrofuran
2: lead(IV) tetraacetate / N,N-dimethyl-formamide
3: zinc(II) chloride / dichloromethane
4: hydrogenchloride; methanol
5: dirhodium tetraacetate / toluene
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: zinc(II) chloride / dichloromethane
2: hydrogenchloride; methanol
3: dirhodium tetraacetate / toluene
View Scheme
4-nitrobenzyl 3-((tert-butyldimethylsilyl)oxy)-2-diazobut-3-enoate
93788-48-8

4-nitrobenzyl 3-((tert-butyldimethylsilyl)oxy)-2-diazobut-3-enoate

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: zinc(II) chloride / dichloromethane
2: hydrogenchloride; methanol
3: dirhodium tetraacetate / toluene
View Scheme
(3S,4R)-3-<(R)-1'-(dimethyl-t-butylsilyloxy)ethyl>-4-oxoazetidin-2-carboxylic acid
115936-64-6

(3S,4R)-3-<(R)-1'-(dimethyl-t-butylsilyloxy)ethyl>-4-oxoazetidin-2-carboxylic acid

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: lead(IV) tetraacetate / N,N-dimethyl-formamide
2: zinc(II) chloride / dichloromethane
3: hydrogenchloride; methanol
4: dirhodium tetraacetate / toluene
View Scheme
(3S,4R)-3-[(1R)-(tert-butyldimethyl-silyloxy)ethyl]-4-[3-(4-nitrobenzyloxy)carbonyl-2-oxo-3-diazopropyl]azetidin-2-one
93861-39-3

(3S,4R)-3-[(1R)-(tert-butyldimethyl-silyloxy)ethyl]-4-[3-(4-nitrobenzyloxy)carbonyl-2-oxo-3-diazopropyl]azetidin-2-one

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrogenchloride; methanol
2: dirhodium tetraacetate / toluene
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

ethyl 2-sulfanylacetate
623-51-8

ethyl 2-sulfanylacetate

(5R,6S)-4-nitrobenzyl 3-((2-ethoxy-2-oxoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

(5R,6S)-4-nitrobenzyl 3-((2-ethoxy-2-oxoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

Conditions
ConditionsYield
Stage #1: (5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester With N-ethyl-N,N-diisopropylamine; chlorophosphoric acid diphenyl ester In acetonitrile at 0℃; for 0.75h;
Stage #2: ethyl 2-sulfanylacetate With N-ethyl-N,N-diisopropylamine In acetonitrile at 0℃; for 1h;
74%
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

chlorophosphoric acid diphenyl ester
2524-64-3

chlorophosphoric acid diphenyl ester

(S)-4-mercapto-2-oxoppyrrolidine

(S)-4-mercapto-2-oxoppyrrolidine

4-nitrobenzyl (5R,6S)-6-[(R)-1-hydroxyethyl]-2-[(R)-5-oxopyrrolidin-3-ylthio]-1-carbapen-2-em-3-carboxylate

4-nitrobenzyl (5R,6S)-6-[(R)-1-hydroxyethyl]-2-[(R)-5-oxopyrrolidin-3-ylthio]-1-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Stage #1: (5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester; chlorophosphoric acid diphenyl ester With N-ethyl-N,N-diisopropylamine In acetonitrile for 2h; Substitution;
Stage #2: (S)-4-mercapto-2-oxoppyrrolidine With N-ethyl-N,N-diisopropylamine In acetonitrile for 1h; Substitution;
67%
t-butyldimethylsiyl triflate
69739-34-0

t-butyldimethylsiyl triflate

(E)-(4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)phenyl)methanol

(E)-(4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)phenyl)methanol

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-4-nitrobenzyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-3-((E)-4-(hydroxymethyl)styryl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

(5R,6S)-4-nitrobenzyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-3-((E)-4-(hydroxymethyl)styryl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

Conditions
ConditionsYield
Stage #1: (5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester With trifluoromethylsulfonic anhydride; triethylamine In dichloromethane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: t-butyldimethylsiyl triflate In dichloromethane at -78℃; for 0.5h; Inert atmosphere;
Stage #3: (E)-(4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)phenyl)methanol With tris-(dibenzylideneacetone)dipalladium(0); potassium hydroxide In dichloromethane; water; N,N-dimethyl-formamide at -78 - 30℃; for 1h; Inert atmosphere;
59%
p-hydroxymethylphenylboronic acid
59016-93-2

p-hydroxymethylphenylboronic acid

Triethylsilyl trifluoromethanesulfonate
79271-56-0

Triethylsilyl trifluoromethanesulfonate

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-4-nitrobenzyl 3-(4-(hydroxymethyl)phenyl)-7-oxo-6-((R)-1-((triethylsilyl)oxy)ethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

(5R,6S)-4-nitrobenzyl 3-(4-(hydroxymethyl)phenyl)-7-oxo-6-((R)-1-((triethylsilyl)oxy)ethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

Conditions
ConditionsYield
Stage #1: (5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester With trifluoromethylsulfonic anhydride; triethylamine In dichloromethane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: triethylsilyl trifluoromethyl sulfonate In dichloromethane at -78℃; for 1h; Inert atmosphere;
Stage #3: p-hydroxymethylphenylboronic acid With tris-(dibenzylideneacetone)dipalladium(0); potassium hydroxide In water; N,N-dimethyl-formamide at -78 - 30℃; for 1.5h; Inert atmosphere;
33%
trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

trimethylsilyl trifluoromethanesulfonate
27607-77-8

trimethylsilyl trifluoromethanesulfonate

tributylethynyltin
994-89-8

tributylethynyltin

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-3-Ethynyl-7-oxo-6-((R)-1-trimethylsilanyloxy-ethyl)-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester

(5R,6S)-3-Ethynyl-7-oxo-6-((R)-1-trimethylsilanyloxy-ethyl)-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Stage #1: trifluoromethylsulfonic anhydride; (5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester With diisopropylamine In tetrahydrofuran at -78℃; for 0.25h; Addition;
Stage #2: trimethylsilyl trifluoromethanesulfonate With triethylamine In tetrahydrofuran at -78℃; for 0.333333h; Etherification;
Stage #3: tributylethynyltin With trifuran-2-yl-phosphane; tris-(dibenzylideneacetone)dipalladium(0); zinc(II) chloride In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; diethyl ether at 20℃; for 2h; Addition; Stille coupling;
32%
cis-1-cyano-4-mercaptocyclohexane
105675-99-8

cis-1-cyano-4-mercaptocyclohexane

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105693-26-3

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) CH3CN, RT, 20 h; Yield given. Multistep reaction;
cis-3-mercaptocyclopentanecarboxamide
105676-07-1

cis-3-mercaptocyclopentanecarboxamide

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105675-86-3, 105814-13-9

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) DMF, RT, 3 d; Yield given. Multistep reaction;
cis-4-mercaptocyclohexanecarboxamide
105676-08-2

cis-4-mercaptocyclohexanecarboxamide

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105675-88-5

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) DMF, RT, 3 d; Yield given. Multistep reaction;
cis-3-mercapto-1-(p-nitrobenzyloxycarboxylamino)cyclopentane
105675-97-6

cis-3-mercapto-1-(p-nitrobenzyloxycarboxylamino)cyclopentane

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105676-04-8, 105814-12-8

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) CH3CN, RT, 20 h; Yield given. Multistep reaction;
cis-4-mercapto-1-(p-nitrobenzyloxycarbonylamino)cyclohexane
105675-98-7

cis-4-mercapto-1-(p-nitrobenzyloxycarbonylamino)cyclohexane

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105675-87-4

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) CH3CN, RT, 6 d; Yield given. Multistep reaction;
cis-4-(p-nitrobenzyloxycarbonylaminomethyl)cyclohexylthiol
105676-03-7

cis-4-(p-nitrobenzyloxycarbonylaminomethyl)cyclohexylthiol

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate
105693-27-4

p-nitrobenzyl (6S)-<(1R)-hydroxyethyl>-2--(5R)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With diisopropylamine; chlorophosphoric acid diphenyl ester 1) CH3CN, 0 to 5 deg C, 1 h, 2) DMF, RT, 6 d; Yield given. Multistep reaction;
trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-2-trifluoromethylsulphonyloxy-carbapen-2-em-3carboxylate
135439-84-8

p-nitrobenzyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-2-trifluoromethylsulphonyloxy-carbapen-2-em-3carboxylate

Conditions
ConditionsYield
With diisopropylamine In tetrahydrofuran at -70℃; for 0.5h; Addition; Title compound not separated from byproducts;
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

chlorophosphoric acid diphenyl ester
2524-64-3

chlorophosphoric acid diphenyl ester

p-nitrobenzyl (5R,6S)-2-diphenoxy phosphoryloxy-6-[(R)-1-hydroxyethyl]-1-carbapen-2-em-3-carboxylate
75321-08-3

p-nitrobenzyl (5R,6S)-2-diphenoxy phosphoryloxy-6-[(R)-1-hydroxyethyl]-1-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 0℃; for 1h; Addition;
With dmap; N-ethyl-N,N-diisopropylamine In acetonitrile
p-toluenesulfonylanhydride
4124-41-8

p-toluenesulfonylanhydride

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-(toluene-4-sulfonyloxy)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
80735-70-2

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-(toluene-4-sulfonyloxy)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at -60 - 0℃;
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-methoxy-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-methoxy-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
In 1,4-dioxane at 20℃; Methylation;
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-methoxy-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-methoxy-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dioxane / 20 °C
2: H2 / 10 percent Pd/C / ethyl acetate / 0 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-3-phenyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

(5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-3-phenyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N / CH2Cl2 / -60 - 0 °C
2: Et3N / CH2Cl2 / 12 h / -70 °C
3: 67 percent / Bu4N(+)Cl(-), K2CO3 / PdCl2(dppf) / tetrahydrofuran; H2O; CH2Cl2 / 1.67 h / 30 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-3-(toluene-4-sulfonyloxy)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
226700-71-6

(5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-3-(toluene-4-sulfonyloxy)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Et3N / CH2Cl2 / -60 - 0 °C
2: Et3N / CH2Cl2 / 12 h / -70 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-2-[(2S,4S)-2-carbamoyl-1,1-dimethylpyrrolidinio-4-ylthio]-6-[(R)-1-hydroxyethyl]-1-carbapen-2-em-3-carboxylate

(5R,6S)-2-[(2S,4S)-2-carbamoyl-1,1-dimethylpyrrolidinio-4-ylthio]-6-[(R)-1-hydroxyethyl]-1-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: N,N-diisopropylethylamine / acetonitrile / 1 h / 0 °C
2: N,N-diisopropylethylamine / acetonitrile
3: H2 / 10 percent Pd-C / tetrahydrofuran; aq. phosphate buffer / 2.5 h / 20 °C / pH 7
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(2S,4S)-2-Carbamoyl-4-[(5R,6S)-6-((R)-1-hydroxy-ethyl)-2-(4-nitro-benzyloxycarbonyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-en-3-ylsulfanyl]-1,1-dimethyl-pyrrolidinium

(2S,4S)-2-Carbamoyl-4-[(5R,6S)-6-((R)-1-hydroxy-ethyl)-2-(4-nitro-benzyloxycarbonyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-en-3-ylsulfanyl]-1,1-dimethyl-pyrrolidinium

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N,N-diisopropylethylamine / acetonitrile / 1 h / 0 °C
2: N,N-diisopropylethylamine / acetonitrile
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (5R,6S)-2-ethynyl-6-[(1R)-1-hydroxyethyl]carbapen-2-em-3-carboxylate
1026234-25-2

p-nitrobenzyl (5R,6S)-2-ethynyl-6-[(1R)-1-hydroxyethyl]carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: diisopropylamine / tetrahydrofuran / 0.25 h / -78 °C
1.2: Et3N / tetrahydrofuran / 0.33 h / -78 °C
1.3: 32 percent / tri(2-furyl)phosphine / tris(dibenzylideneacetone)dipalladium; ZnCl2 / 1-methyl-pyrrolidin-2-one; tetrahydrofuran; diethyl ether / 2 h / 20 °C
2.1: 85 percent / AcOH; aq. Bu4NF / tetrahydrofuran / 1.75 h / 0 - 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-thiazol-4-yl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-thiazol-4-yl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diisopropylamine / tetrahydrofuran / 0.5 h / -70 °C
2: Ph3As / ZnCl2, LiCl; tris(dibenzylideneacetone)dipalladium / tetrahydrofuran / 3 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-thiazol-5-yl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
1025902-20-8

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-7-oxo-3-thiazol-5-yl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diisopropylamine / tetrahydrofuran / 0.5 h / -70 °C
2: Ph3As / ZnCl2, LiCl; tris(dibenzylideneacetone)dipalladium / tetrahydrofuran / 3 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-Nitrobenzyl-(5R,6S)-6-[(1R)-hydroxyethyl]-2-(1-methylpyrazol-3-yl)-carbapen-2-em-3-carboxylate
165743-32-8

p-Nitrobenzyl-(5R,6S)-6-[(1R)-hydroxyethyl]-2-(1-methylpyrazol-3-yl)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diisopropylamine / tetrahydrofuran / 0.5 h / -70 °C
2: Ph3As / ZnCl2, LiCl; tris(dibenzylideneacetone)dipalladium / tetrahydrofuran / 3 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-methyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
1025809-56-6

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-methyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: diisopropylamine / tetrahydrofuran / 0.25 h / -78 °C
1.2: Et3N / tetrahydrofuran / 0.33 h / -78 °C
1.3: 32 percent / tri(2-furyl)phosphine / tris(dibenzylideneacetone)dipalladium; ZnCl2 / 1-methyl-pyrrolidin-2-one; tetrahydrofuran; diethyl ether / 2 h / 20 °C
2.1: 85 percent / AcOH; aq. Bu4NF / tetrahydrofuran / 1.75 h / 0 - 20 °C
3.1: Et3N / CH2Cl2; hexane / 1 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-isopropyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
1026821-85-1

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-isopropyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: diisopropylamine / tetrahydrofuran / 0.25 h / -78 °C
1.2: Et3N / tetrahydrofuran / 0.33 h / -78 °C
1.3: 32 percent / tri(2-furyl)phosphine / tris(dibenzylideneacetone)dipalladium; ZnCl2 / 1-methyl-pyrrolidin-2-one; tetrahydrofuran; diethyl ether / 2 h / 20 °C
2.1: 85 percent / AcOH; aq. Bu4NF / tetrahydrofuran / 1.75 h / 0 - 20 °C
3.1: Et3N / CH2Cl2; hexane / 1 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-methoxymethyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
1025968-65-3

(5R,6S)-6-((R)-1-Hydroxy-ethyl)-3-(3-methoxymethyl-isoxazol-5-yl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diisopropylamine / tetrahydrofuran / 0.5 h / -70 °C
2: Ph3As / ZnCl2, LiCl; tris(dibenzylideneacetone)dipalladium / tetrahydrofuran / 3 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (5R,6S)-6-[(1R)-hydroxyethyl]-2-(1-phenylpyrazol-3-yl)-carbapen-2-em-3-carboxylate
165743-30-6

p-nitrobenzyl (5R,6S)-6-[(1R)-hydroxyethyl]-2-(1-phenylpyrazol-3-yl)-carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diisopropylamine / tetrahydrofuran / 0.5 h / -70 °C
2: 67 percent / Ph3As / ZnCl2, LiCl; tris(dibenzylideneacetone)dipalladium / tetrahydrofuran / 3 h / 20 °C
View Scheme
(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester
74288-40-7

(5R,6S)-6-[(R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid p-nitrobenzyl ester

p-nitrobenzyl (5R,6S)-2-[3-(phenyl)isoxazol-5-yl]-6-[(1R)-1-hydroxyethyl]carbapen-2-em-3-carboxylate
204385-18-2

p-nitrobenzyl (5R,6S)-2-[3-(phenyl)isoxazol-5-yl]-6-[(1R)-1-hydroxyethyl]carbapen-2-em-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: diisopropylamine / tetrahydrofuran / 0.25 h / -78 °C
1.2: Et3N / tetrahydrofuran / 0.33 h / -78 °C
1.3: 32 percent / tri(2-furyl)phosphine / tris(dibenzylideneacetone)dipalladium; ZnCl2 / 1-methyl-pyrrolidin-2-one; tetrahydrofuran; diethyl ether / 2 h / 20 °C
2.1: 85 percent / AcOH; aq. Bu4NF / tetrahydrofuran / 1.75 h / 0 - 20 °C
3.1: 62 percent / Et3N / CH2Cl2; hexane / 1 h / 20 °C
View Scheme

P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate Chemical Properties

Molecular Structure of P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate (CAS NO.74288-40-7):

Empirical Formula: C16H16N2O7 
Molecular Weight: 348.3074 
Index of Refraction:  1.631 
Surface Tension:  71.9 dyne/cm 
Density:  1.5 g/cm3 
Flash Point:  317.4 °C 
Enthalpy of Vaporization:  94.09 kJ/mol 
Boiling Point:  601.3 °C at 760 mmHg 
Vapour Pressure:  2.63E-15 mmHg at 25°C 
Product Categories: (intermediate of imipenem,panipenem);Intermediates & Fine Chemicals; Pharmaceuticals

P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate Uses

 The usage of P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate (CAS NO.74288-40-7) is as imipenem intermediate.

P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate Specification

 P-Nitrobenzyl-6-(1-hydroxyethyl)-1-azabicyclo(3.2.0)heptane-3,7-dione-2-carboxylate ,its cas register number is 73323-65-6. It also can be called 1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(1-hydroxyethyl)-3,7-dioxo-, (4-nitrophenyl)methyl ester, (5R,6S)- ; 1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(1R)-1-hydroxyethyl]-3,7-dioxo-, (4-nitrophenyl)methyl ester, (5R,6S)- ; (1'R,5R,6S)-6-(1-Hydroxy-ethyl)-3,7-dioxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester and so on.

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