3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

Base Information

Chemical Name:3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane
CAS No.:212121-11-4
Molecular Formula:C₂₁H₂₂O₃
Molecular Weight:322.404
Hs Code.:

Synonyms:3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

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Chemical Property of 3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

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Technology Process of 3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

There total 2 articles about 3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.0%

: 107-21-1
ethylene glycol

: 212121-06-7
o-(1-Benzoylcyclopentyl)benzaldehyde

: 212121-11-4
3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

Guidance literature:: With chlorosulfonic acid; In dichloromethane; for 15h; Ambient temperature;
DOI:10.1039/a802928h

Reference yield:

: 2'-Phenylspiro

: 212121-11-4
3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) O₃, 2.) Ph₃P / 1.) CH₂Cl₂, 2.) benzene, 15 h

2: 95 percent / chlorosulfonic acid / CH₂Cl₂ / 15 h / Ambient temperature

With chlorosulfonic acid; ozone; triphenylphosphine; In dichloromethane;
DOI:10.1039/a802928h

Reference yield: 42.0%

: 212121-11-4
3,4,6,7-Tetrahydro-6-phenyl-1,6-epoxy-1H-benzo<1,4>dioxonine-7-spirocyclopentane

: 3,4-Dihydro-3-phenyl-1H-benzopyran-4-spirocyclopentane

Guidance literature:: With triethylsilane; trimethylsilyl trifluoromethanesulfonate; In dichloromethane; for 0.75h; Ambient temperature;
DOI:10.1039/a802928h