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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1900Generated: October 23, 2026

tert-Butanol → 1-cyclopropyl-8-(1-Bocamino-1-cyclopropyl)-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl ester

https://huagongshe.com/en/reaction/1900

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-ButanolHCID 6386—
ReactantTriethylamineHCID 8471—
ReactantP,P-Diphenylphosphinic azideHCID 199401—
Reactant1-cyclopropyl-8-(1-hydroxycarbonyl-1-cyclopropyl)-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl esterHCID 57128975—
Solvent1,4-DioxaneHCID 31275—
Product1-cyclopropyl-8-(1-Bocamino-1-cyclopropyl)-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl esterHCID 57102320—

Reaction Steps

A sample of the product from Step 477d is heated with diphenylphosphoryl azide, t-butanol, triethylamine and dioxane. The solvents is removed under vacuum. The residue is dissolved in methylene chloride, washed with water and dried over MgSO4 and concentrated under vacuum. The title compound is purified by chromatography on silica gel.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05726182
Source datasetuspto-grants-1998_03
ORD IDord-e9a35b5778f84e018ef46a7daf51dbfd
Source noteuspto-grants-1998_03