4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

Base Information

Chemical Name:4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester
CAS No.:93552-96-6
Molecular Formula:C₂₅H₃₇N₃O₆Si
Molecular Weight:503.671
Hs Code.:

4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

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Chemical Property of 4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

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Technology Process of 4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

There total 3 articles about 4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester 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: 89.0%

: 93552-95-5
4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-3-oxo-butyric acid 4-nitro-benzyl ester

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 93552-96-6
4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

Guidance literature:: DOI:10.1016/0040-4039(84)80121-5

Reference yield:

: 105995-50-4
magnesium 4-nitrobenzyl malonate

: 93552-96-6
4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / carbonyldiimidazole

2: 89 percent

With 1,1'-carbonyldiimidazole;
DOI:10.1016/0040-4039(84)80121-5

Reference yield:

: 93552-94-4
(2R*,3R*)-1-tert-butyldimethylsilyl-3-ethyl-4-oxo-2-azetidineacetic acid

: 93552-96-6
4-[(2R,3R)-1-(tert-Butyl-dimethyl-silanyl)-3-ethyl-4-oxo-azetidin-2-yl]-2-[1-dimethylamino-meth-(E)-ylidene]-3-oxo-butyric acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / carbonyldiimidazole

2: 89 percent

With 1,1'-carbonyldiimidazole;
DOI:10.1016/0040-4039(84)80121-5