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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2180501Generated: October 31, 2026

Diisobutylaluminumhydride → (2E)-2-Fluoro-3-(4-isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-but-2-en-1-ol

https://huagongshe.com/reaction/2180501

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisobutylaluminumhydrideHCID 21225700—
Reactantethyl (2E)-2-fluoro-3-(4-isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-but-2-enoateHCID 86759706—
Product(2E)-2-Fluoro-3-(4-isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-but-2-en-1-olHCID 22490960—

Reaction Steps

Following General Procedure L, ethyl (2E)-2-fluoro-3-(4-isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-but-2-enoate (Compound 69, 145 mg, 0.40 mmol) and a diisobutylaluminum hydride (1M in hexanes, 1.60 mL, 1.60 mmol) were reacted to give the title compound as a colorless oil after purification by flash chromatography (silica gel, 1:9 to 1:4 ethyl acetate/hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06887896B1
Source datasetuspto-grants-2005_05
ORD IDord-65deb514c6014ea490cd22b033619e6c
Source noteuspto-grants-2005_05