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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 22317Generated: October 25, 2026

tert-Butyl methyl ether → 6-(cyclopentyloxy)-7-[3-(4-phenyl-1-piperidinyl)propoxy]-2H-1-benzopyran-2-one

https://huagongshe.com/reaction/22317

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl methyl etherHCID 15413—
Reactant4-PhenylpiperidineHCID 69873—
ReactantFumarateHCID 5460307—
Reactant6-(cyclo-pentyloxy)-7-[3-(methanesulfonyloxy)propoxy]-2H-1-benzopyran-2-oneHCID 19927635—
SolventAcetoneHCID 180—
SolventIsopropanolHCID 3776—
Product6-(cyclopentyloxy)-7-[3-(4-phenyl-1-piperidinyl)propoxy]-2H-1-benzopyran-2-oneHCID 1992769148%

Reaction Steps

Method B (30 h at 45° C.); starting materials: 6-(cyclo-pentyloxy)-7-[3-(methanesulfonyloxy)propoxy]-2H-1-benzopyran-2-one (example 72) and 4-phenylpiperidine; yield 48%; fusion point 96°-97° C. (from TBME and isopropanol). Fumarate: method E; yield 83%; fusion point 171°-173° C. (from acetone).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05428038
Source datasetuspto-grants-1995_06
ORD IDord-54f2a4b0bf734d449f00a8d39ca228b9
Source noteuspto-grants-1995_06