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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 376213Generated: October 29, 2026

Toluene → 5'-(2-Formylvinyl)-1,3,3-trimethylspiro[indoline-2,3'-[3H]-naphtho [2,1-b][1,4]oxazine]

https://huagongshe.com/reaction/376213

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
Reactant(Triphenylphosphoranylidene)acetaldehydeHCID 75051—
Reactant5'-Formyl-1,3,3-trimethylspiro[indoline-2,3'-[3H]-naphtho[2,1-b][1,4]oxazine]HCID 15305689—
Product5'-(2-Formylvinyl)-1,3,3-trimethylspiro[indoline-2,3'-[3H]-naphtho [2,1-b][1,4]oxazine]HCID 54399125—

Reaction Steps

A solution of 0.36 g (1 mmol) of the compound of Example 1 and of 0.30 g (1 mmol) of (triphenylphosphoranylidene)acetaldehyde in 10 ml of toluene is heated to reflux for 24 hours. The solvent is then evaporated off and the mixture purified on a silica column (70/30 pentane/ether eluent).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06019914
Source datasetuspto-grants-2000_02
ORD IDord-e21c2f9b8ccb41b1b8d1d3002635d1c9
Source noteuspto-grants-2000_02