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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2423648Generated: October 26, 2026

2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one → 3-Methoxy-8-(4-methoxy-2-nitrophenyl)-6,7-dihydro-5H-benzocycloheptene

https://huagongshe.com/reaction/2423648

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-oneHCID 12369177—
ReactantTributyl(4-methoxy-2-nitrophenyl)tinHCID 23087474—
ReactantHCID 86605238HCID 86605238—
Product3-Methoxy-8-(4-methoxy-2-nitrophenyl)-6,7-dihydro-5H-benzocyclohepteneHCID 66626968—

Reaction Steps

Synthesized from 2-methoxy-5,7,8,9-tetrahydrobenzocyclohepten-6-one according to an analogous synthetic method to Preparation Example 82, 2-methoxy-8,9-dihydro-7H-benzocyclohepten-6-yl trifluoromethanesulfonate (3.0 g) and tributyl(4-methoxy-2-nitrophenyl)tin (10.8 g) were used according to an analogous synthetic method to Preparation Example 77 to provide the title compound (2.8 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07960412B2
Source datasetuspto-grants-2011_06
ORD IDord-59080dac930d4646b4517668f1abcd0a
Source noteuspto-grants-2011_06