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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 358999Generated: October 25, 2026

Trifluoroacetic anhydride → Methyl 11-phenylsulfonyl-6,11-dihydrodibenz[b,e]oxepin-2-carboxylate

https://huagongshe.com/reaction/358999

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic anhydrideHCID 9845—
ReactantMethyl 11-hydroxy-6,11-dihydrobenzo[c][1]benzoxepine-2-carboxylateHCID 2769059—
ReactantBenzenesulfinic acid, sodium salt, dihydrateHCID 23681562—
ProductMethyl 11-phenylsulfonyl-6,11-dihydrodibenz[b,e]oxepin-2-carboxylateHCID 15704254—

Reaction Steps

Compound b, 10 g, 15 g of sodium benzenesulfinate dihydrate and 25 ml of trifluoroacetic anhydride were treated in a manner similar to Example 109 to give 14.3 g of the objective compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04999363
Source datasetuspto-grants-1991_03
ORD IDord-19ee49b864324c319df133c658b1ee82
Source noteuspto-grants-1991_03