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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1071287Generated: November 2, 2026

Methyl 2,2-dimethylpent-4-ynoate → 3-[3-(1-tert-Butoxycarbonylamino-3-methyl-butyl)-isoxazol-5-yl]-2,2-dimethyl-propionic acid methyl ester

https://huagongshe.com/reaction/1071287

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 2,2-dimethylpent-4-ynoateHCID 13134461—
Reactant[1-(Hydroxyimino-methyl)-3-methyl-butyl]-carbamic acid tert-butyl esterHCID 73685451—
Product3-[3-(1-tert-Butoxycarbonylamino-3-methyl-butyl)-isoxazol-5-yl]-2,2-dimethyl-propionic acid methyl esterHCID 20610298—

Reaction Steps

Prepared from [1-(hydroxyimino-methyl)-3-methyl-butyl]-carbamic acid tert-butyl ester (7I) and 2,2-dimethyl-pent-4-ynoic acid methyl ester according to the procedure outlined in example 6A. MS (Cl) m/z: 313.2 (M-tBu), 269.3 (M−99)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06903128B2
Source datasetuspto-grants-2005_06
ORD IDord-3898f46c6f1e48f5bc8643d33645ae28
Source noteuspto-grants-2005_06