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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1109167Generated: November 1, 2026

Triethyl phosphite → 7,8-dihydro-6,6-dimethyl-7,8-epoxy-6H-pyrano[2,3-f]benz-2,1,3-oxadiazole

https://huagongshe.com/reaction/1109167

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethyl phosphiteHCID 31215—
Reactant7,8 dihydro-6,6-dimethyl-7,8-epoxy-6H-pyrano[2,3-f]benz-2,1,3-oxadiazole-3-oxideHCID 11042652—
SolventBenzeneHCID 241—
Product7,8-dihydro-6,6-dimethyl-7,8-epoxy-6H-pyrano[2,3-f]benz-2,1,3-oxadiazoleHCID 9837334—

Reaction Steps

1.00 g (4.27 mmol) of 7,8-dihydro-6,6-dimethyl-7,8-epoxy-6H-pyrano[2,3-f]benz-2,1,3-oxadiazole-3-oxide (compound [G]) and 6 ml of benzene were stirred at 60° C., while 0.80 ml (4.70 mmol) of triethyl phosphite was added thereto dropwise within 15 minutes. Next, the obtained mixture was stirred for three hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05319089
Source datasetuspto-grants-1994_06
ORD IDord-6f00b738761747b78f3de0d1fce19ee3
Source noteuspto-grants-1994_06