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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 894218Generated: October 26, 2026

p-Toluenesulfonic acid → Methyl 11-methylene-6,11-dihydrodibenz-[b,e]oxepin-2-carboxylate

https://huagongshe.com/reaction/894218

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantMethyl 11-hydroxy-11-methyl-6,11-dihydrodibenz[b,e]oxepin-2-carboxylateHCID 21162722—
SolventBenzeneHCID 241—
ProductMethyl 11-methylene-6,11-dihydrodibenz-[b,e]oxepin-2-carboxylateHCID 10106958—

Reaction Steps

Dissolve 1 gm. of methyl 11-hydroxy-11-methyl-6,11-dihydrodibenz[b,e]oxepin-2-carboxylate in 100 ml. of benzene containing a few crystals of p-toluenesulfonic acid for 10 minutes. Strip the reaction mixture to dryness to obtain the title product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04282365
Source datasetuspto-grants-1981_08
ORD IDord-c4291ea3a78d4701929b3aa82bc1c9d4
Source noteuspto-grants-1981_08