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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 518158Generated: October 27, 2026

(E)-3-{1'-Tert-butoxycarbonyl-3-oxo-spiro[benzofuran-2(3H), 4'-piperidin]-5-yl}-acrylic acid methyl ester → (E)-3-{3-oxo-spiro[benzofuran-2(3H), 4'-piperidin]-5-yl}-acrylic acid methyl ester

https://huagongshe.com/reaction/518158

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(E)-3-{1'-Tert-butoxycarbonyl-3-oxo-spiro[benzofuran-2(3H), 4'-piperidin]-5-yl}-acrylic acid methyl esterHCID 11406566—
Reactant(E)-3-{4-oxo-spiro[chromane-2,4'-piperidine]-6-yl}-acrylic acid methyl esterHCID 52952093—
Product(E)-3-{3-oxo-spiro[benzofuran-2(3H), 4'-piperidin]-5-yl}-acrylic acid methyl esterHCID 52952195—

Reaction Steps

(E)-3-{3-Oxo-spiro[benzofuran-2(3H), 4′-piperidin]-5-yl}-acrylic acid methyl ester was synthesized according to the procedure for preparation of Intermediate 1, Step C, starting from (E)-3-{1′-tert-butoxycarbonyl-3-oxo-spiro[benzofuran-2(3H), 4′-piperidin]-5-yl}-acrylic acid methyl ester (750 mg, 1.93 mmol), giving its hydrochloride salt (380 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115148B2
Source datasetuspto-grants-2015_08
ORD IDord-40e3e63d7be24d528134de77ae4f91ba
Source noteuspto-grants-2015_08