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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 24398Generated: October 26, 2026

2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-carbaldehyde → HCID 53819525, compound

https://huagongshe.com/reaction/24398

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-carbaldehydeHCID 1797751—
Reactant4-Methyl-1,3-dihydro-2H-indol-2-oneHCID 12579382—
ProductHCID 53819525HCID 53819525—

Reaction Steps

2,2-Dimethyl-6-formylchromane (commercially available) was condensed with 4-methyl-2-oxindole to give 0.25 g of 3-(2,2-dimethylchroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one as a yellow-orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06855730B2
Source datasetuspto-grants-2005_02
ORD IDord-a7bd8554f2884268b4d3f6a5bb4a98e5
Source noteuspto-grants-2005_02