(3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

Base Information

Chemical Name:(3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone
CAS No.:90192-18-0
Molecular Formula:C₂₂H₂₄N₂O₇
Molecular Weight:428.442
Hs Code.:

Synonyms:(3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

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Chemical Property of (3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

Chemical Property:

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Technology Process of (3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

There total 8 articles about (3S,4S)-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone 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:

: 20781-20-8
2,4-Dimethoxybenzylamine

: 83169-55-5,84187-45-1,88792-18-1,88792-19-2,90192-18-0,97591-37-2
trans-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

Guidance literature:: Multi-step reaction with 5 steps

1: MgSO₄ / CH₂Cl₂ / 2 h / 0 - 5 °C

2: 2.) triethylamine / CH₂Cl₂ / 1.) 0-5 deg C, 20 min; 2.) r.t

3: 10 percent / 1,8-diazabicyclo<5.4.0>-7-undecene / CH₂Cl₂ / 5 h / Ambient temperature

4: methylhydrazine / CH₂Cl₂

5: propylene oxide / CH₂Cl₂ / 1.5 h / Ambient temperature

With magnesium sulfate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; methylhydrazine; methyloxirane; In dichloromethane;
DOI:10.1248/cpb.32.2646

Reference yield:

: 61964-70-3
Methyl N-(2,4-dimethoxybenzyl)iminoacetate

: 83169-55-5,84187-45-1,88792-18-1,88792-19-2,90192-18-0,97591-37-2
trans-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

Guidance literature:: Multi-step reaction with 4 steps

1: 2.) triethylamine / CH₂Cl₂ / 1.) 0-5 deg C, 20 min; 2.) r.t

2: 10 percent / 1,8-diazabicyclo<5.4.0>-7-undecene / CH₂Cl₂ / 5 h / Ambient temperature

3: methylhydrazine / CH₂Cl₂

4: propylene oxide / CH₂Cl₂ / 1.5 h / Ambient temperature

With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; methylhydrazine; methyloxirane; In dichloromethane;
DOI:10.1248/cpb.32.2646

Reference yield:

: 20781-20-8
2,4-Dimethoxybenzylamine

: 83169-55-5,84187-45-1,88792-18-1,88792-19-2,90192-18-0,97591-37-2
cis-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-2-azetidinone

Guidance literature:: Multi-step reaction with 4 steps

1: MgSO₄ / CH₂Cl₂ / 2 h / 0 - 5 °C

2: 1.) triethylamine (1.2 to 1.5 molar equiv.) / CH₂Cl₂ / Ambient temperature

3: methylhydrazine / CH₂Cl₂ / 1.) 2 h, r.t; 2.) 8 h, 35 deg C; 3.) r.t

4: propylene oxide / CH₂Cl₂ / 1.5 h / Ambient temperature

With magnesium sulfate; triethylamine; methylhydrazine; methyloxirane; In dichloromethane;
DOI:10.1248/cpb.32.2646