tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

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Chemical Name:tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate
CAS No.:95967-29-6
Molecular Formula:C₁₈H₂₀N₄O₆
Molecular Weight:388.38
Hs Code.:

Synonyms:tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

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Chemical Property of tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

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Technology Process of tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

There total 7 articles about tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate 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: 96.0%

: 95967-28-5
tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-acetoacetate

: 95967-29-6
tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

Guidance literature:: With 4-toluenesulfonyl azide; triethylamine; In acetonitrile; for 1.5h; Ambient temperature;
DOI:10.1016/S0040-4020(01)88797-4

Reference yield: 71.0%

: 95967-47-8
tert.-butyl 2-diazo-4-hydroxy-3-oxobutanoate

: 86823-92-9
(1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene

: 95967-29-6
tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

Guidance literature:: boron trifluoride diethyl etherate; In tetrahydrofuran; for 0.333333h; Ambient temperature;
DOI:10.1016/S0040-4020(01)88797-4

Reference yield:

: 87064-89-9
tert.-butyl 4-hydroxyacetoacetate

: 95967-29-6
tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate

Guidance literature:: Multi-step reaction with 2 steps

1: 31 percent / boron trifluoride etherate / tetrahydrofuran / 0.5 h / Ambient temperature

2: 96 percent / triethylamine, p-toluenesulfonyl azide / acetonitrile / 1.5 h / Ambient temperature

With 4-toluenesulfonyl azide; triethylamine; boron trifluoride diethyl etherate; In tetrahydrofuran; acetonitrile;
DOI:10.1016/S0040-4020(01)88797-4