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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 581026Generated: November 1, 2026

2-Chloroethyl isocyanate → HCID 14627707, compound

https://huagongshe.com/reaction/581026

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloroethyl isocyanateHCID 16035—
Reactant(+)-7,8-dihydro-6,6-dimethyl-7-hydroxy-8-amino-6H-pyrano[2,3-f]benz-2,1,3-oxadiazoleHCID 11107308—
SolventDichloromethaneHCID 6344—
ProductHCID 14627707HCID 1462770783%

Reaction Steps

400 mg (1.70 mmol) of 7,8-dihydro-6,6-dimethyl-7-hydroxy-8-amino-6H-pyrano[2,3-f]benzo-2,1,3-oxadiazole and 40 ml of dichloromethane were stirred at room temperature, and 200 μl (1.87 mmol) of 2-chloroethyl isocyanate were added thereto and stirred for 6 hours. The crystals precipitated were filtered off to obtain 480 mg of the intended compound as colorless crystals. (yield: 83%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05919806
Source datasetuspto-grants-1999_07
ORD IDord-e7077c1e45f7407f824ab4fcdcc3f0d3
Source noteuspto-grants-1999_07