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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1078136Generated: October 30, 2026

Methanol → 2-(Boc-valinyl-amino)-4-(Cbz-valinyl-amino)-1,5-diphenyl-3-hydroxypentane

https://huagongshe.com/reaction/1078136

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantBoc-L-ValineHCID 83693—
ReactantCarbodiimideHCID 160435—
Reactant2Amino-4-(Cbz-valinyl-amino)-1,5-diphenyl-3hydroxypentaneHCID 22864446—
SolventChloroformHCID 6212—
Product2-(Boc-valinyl-amino)-4-(Cbz-valinyl-amino)-1,5-diphenyl-3-hydroxypentaneHCID 22845591—

Reaction Steps

Boc-valine was coupled to the resultant compound of Example 69 using the carbodiimide coupling procedure of Example 55 to provide, after silica gel chromatography using 3% methanol in chloroform, the desired compound (82%, Rf 0.7, 10% methanol in chloroform) as a white solid, m.p. 184°-184° C. Mass spectrum: (M+H)+ =703.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05545750
Source datasetuspto-grants-1996_08
ORD IDord-e6a60cf613c5427883032e748022c780
Source noteuspto-grants-1996_08