4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

Base Information

Chemical Name:4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate
CAS No.:87153-27-3
Molecular Formula:C₂₁H₁₇N₃O₈
Molecular Weight:439.381
Hs Code.:

Synonyms:4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

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Chemical Property of 4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

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Technology Process of 4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

There total 7 articles about 4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 61.0%

: 87153-26-2
4-nitrobenzyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

: 87153-27-3
4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

Guidance literature:: rhodium(II) acetate; In benzene; at 80 ℃; for 1h;
DOI:10.1016/S0040-4020(01)88797-4

Reference yield:

: 95967-48-9
4-nitrobenzyl 4-hydroxy-2-butynoate

: 87153-27-3
4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: 66 percent / boron trifluoride etherate / tetrahydrofuran / 0.5 h / Ambient temperature

2: triethylamine / tetrahydrofuran / 3 h / Ambient temperature

3: 1.) N-bromoacetamide; 2.) Na₂SO₃ / 1.) dioxane, H₂O, 0 deg C

4: 77 percent / triethylamine, 4-carboxybenzenesulphonyl azide / acetonitrile / 1 h / Ambient temperature

5: 61 percent / rhodium(II) acetate / benzene / 1 h / 80 °C

With p-carboxybenzenesulfonyl azide; triethylamine; sodium sulfite; N-bromoacetamide; rhodium(II) acetate; boron trifluoride diethyl etherate; In tetrahydrofuran; acetonitrile; benzene;
DOI:10.1016/S0040-4020(01)88797-4

Reference yield:

: 87153-36-4
4-nitrobenzyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-acetoacetate

: 87153-27-3
4-nitrobenzyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 77 percent / triethylamine, 4-carboxybenzenesulphonyl azide / acetonitrile / 1 h / Ambient temperature

2: 61 percent / rhodium(II) acetate / benzene / 1 h / 80 °C

With p-carboxybenzenesulfonyl azide; triethylamine; rhodium(II) acetate; In acetonitrile; benzene;
DOI:10.1016/S0040-4020(01)88797-4