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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 54071Generated: October 25, 2026

Diazomethane → benzyl [2-(4-methoxyphenyl)-l(S)-(2-diazoacetyl)ethyl]carbamate

https://huagongshe.com/reaction/54071

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazomethaneHCID 9550—
ReactantIsobutyl chloroformateHCID 62365—
Reactant(2S)-2-{[(benzyloxy)carbonyl]amino}-3-(4-methoxyphenyl)propanoic acidHCID 10496574—
Productbenzyl [2-(4-methoxyphenyl)-l(S)-(2-diazoacetyl)ethyl]carbamateHCID 53748252—

Reaction Steps

In a manner analogous to that described in Example 19(i), 3.10 g of N-(benzyloxycarbonyl)-3-(4-methoxyphenyl)-L-alanine were treated with isobutyl chloroformate followed by diazomethane to give 2.83 g of benzyl [2-(4-methoxyphenyl)-1(S)-(2-diazoacetyl)ethyl]carbamate as a pale yellow solid of melting point 88°-90° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05620987
Source datasetuspto-grants-1997_04
ORD IDord-35f49ed163ac44408ab12a6e1f96695d
Source noteuspto-grants-1997_04