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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2216954Generated: October 27, 2026

Hexamethylphosphoramide → Bifonazole

https://huagongshe.com/reaction/2216954

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexamethylphosphoramideHCID 12679—
ReactantSodium cyanoborohydrideHCID 5003444—
ReactantHCID 178419618HCID 178419618—
ProductBifonazoleHCID 237868.2%

Reaction Steps

Bifonazole has also been prepared by benzoylation of imidazole with PhCOCl, yielding 74.7% of 1-benzoylimidazole which is subject to react with Gringnard's reactant 4-PhC6H4MgBr followed by a tosylation and subsequent reduction with sodium cyanoborohydride in hexamethylphosphoramide, to yield 68.2% Bifonazole (Es. Patent 539,345).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07112681B2
Source datasetuspto-grants-2006_09
ORD IDord-48a44f8fa84e4f38aa4fe77dc2ba8f38
Source noteuspto-grants-2006_09