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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 280925Generated: October 29, 2026

tert-Butyl chloroacetate → tert-butyl 3(S)-benzyloxycarbonylamino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetate

https://huagongshe.com/reaction/280925

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl chloroacetateHCID 66052—
Reactant3(S)-benzyloxycarbonylamino-2,3,4,5-tetrahydro-1,5-benzoxazepine-4-oneHCID 18599718—
Producttert-butyl 3(S)-benzyloxycarbonylamino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetateHCID 7004502496.4%

Reaction Steps

3(S)-Benzyloxycarbonylamino-2,3,4,5-tetrahydro-1,5-benzoxazepine-4-one (1.9 g) obtained in Example 14 is reacted with 1.1 g of tert-butyl chloroacetate in a manner similar to that of Example 4 to give 2.5 g of tert-butyl 3(S)-benzyloxycarbonylamino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetate as a pale yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04591458
Source datasetuspto-grants-1986_05
ORD IDord-3d3975543fc74603b69ca7b535e8ba45
Source noteuspto-grants-1986_05