tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

Base Information

Chemical Name:tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate
CAS No.:680231-55-4
Molecular Formula:C₂₃H₂₄N₂O₄
Molecular Weight:392.455
Hs Code.:

Synonyms:tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

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Chemical Property of tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

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Technology Process of tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

There total 4 articles about tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate 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: 80.0%

: 680231-54-3
((6R,7S)-8-oxo-6-phenyl-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocycIohepten-7-yl)-carbamic acid tert-butyl ester

: 106-96-7
propargyl bromide

: 680231-55-4
tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

Guidance literature:: With caesium carbonate; In DMF (N,N-dimethyl-formamide); at 20 ℃; for 18h;

Reference yield:

: 680231-47-4
(2R,3R)-3-hydroxy-2-phenyl-2,3-dihydro-1,5-benzoxazepin-4(5H)-one

: 680231-55-4
tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

Guidance literature:: Multi-step reaction with 4 steps

1.1: trifluoromethane sulfonyl chloride; triethylamine / dichloromethane / 34 h / -40 - -25 °C

1.2: 2 h / -10 - 20 °C

2.1: hydrogenchloride; hydrogen / 5%-palladium/activated carbon / ethanol; water / 2 h

3.1: triethylamine / dichloromethane / 24 h / 0 - 20 °C

4.1: caesium carbonate / N,N-dimethyl-formamide / 18 h / 20 °C

With hydrogenchloride; trifluoromethane sulfonyl chloride; hydrogen; caesium carbonate; triethylamine; 5%-palladium/activated carbon; In ethanol; dichloromethane; water; N,N-dimethyl-formamide;

Reference yield:

: 680231-48-5
(2R,3S)-3-azido-2-phenyl-2,3-dihydro-1,5-benzoxazepin-4(5H)-one

: 680231-55-4
tert-butyl [(2R,3S)-4-oxo-2-phenyl-5-prop-2-yn-1-yl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl] carbamate

Guidance literature:: Multi-step reaction with 3 steps

1: hydrogenchloride; hydrogen / 5%-palladium/activated carbon / ethanol; water / 2 h

2: triethylamine / dichloromethane / 24 h / 0 - 20 °C

3: caesium carbonate / N,N-dimethyl-formamide / 18 h / 20 °C

With hydrogenchloride; hydrogen; caesium carbonate; triethylamine; 5%-palladium/activated carbon; In ethanol; dichloromethane; water; N,N-dimethyl-formamide;