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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 643176Generated: October 26, 2026

Hexamethylphosphoramide → Bifonazole

https://huagongshe.com/reaction/643176

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 numberUSRE041254E1
Source datasetuspto-grants-2010_04
ORD IDord-7a547f5ad390462badb558c0499cc0bc
Source noteuspto-grants-2010_04