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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 488449Generated: October 29, 2026

Tributylphosphine → (2S)-3-{4-[3,3-Bis-(4-bromophenyl)-allyloxy]-phenyl}-2-ethoxy-propionic acid ethyl ester

https://huagongshe.com/reaction/488449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTributylphosphineHCID 13831—
ReactantEthyl (2S)-2-ethoxy-3-(4-hydroxyphenyl)propanoateHCID 9816147—
Reactant3,3-Bis-(4-bromophenyl)prop-2-en-1-olHCID 22270304—
Product(2S)-3-{4-[3,3-Bis-(4-bromophenyl)-allyloxy]-phenyl}-2-ethoxy-propionic acid ethyl esterHCID 6977407075.5%

Reaction Steps

Reaction of 3,3-bis-(4-bromophenyl)-prop-2-en-1-ol (2.60 g, 7.0 mmol), tributylphosphine (2.52 g, 10.0 mmol), (2S)-2-ethoxy-3-(4-hydroxy-phenyl)-propionic acid ethyl ester (1.50 g, 6.3 mmol) and azodicarboxylic dipiperidide (2.02 g, 10.0 mmol) in an identical manner to example 3 gave the title compound (2.8 g, 75%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06972294B1
Source datasetuspto-grants-2005_12
ORD IDord-8c85ffe9d1184af58458a690469d57ed
Source noteuspto-grants-2005_12