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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1974734Generated: November 2, 2026

Acetylacetone → 3-(3,4-Dihydroxy-5-trifluoromethylbenzylidene)-2,4-pentanedione

https://huagongshe.com/reaction/1974734

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetylacetoneHCID 31261—
Reactant3,4-Dihydroxy-5-(trifluoromethyl)benzaldehydeHCID 19389188—
Product3-(3,4-Dihydroxy-5-trifluoromethylbenzylidene)-2,4-pentanedioneHCID 18990390—

Reaction Steps

The procedure described in Example 7 was repeated using 2.06 g of 3,4-dihydroxy-5-trifluoromethyl-benzaldehyde and 1.00 g of 2,4-pentanedione. Yield 1.39 g (45%), m.p. 198°-205° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05283352
Source datasetuspto-grants-1994_02
ORD IDord-826484c686304ed49545859d51d42699
Source noteuspto-grants-1994_02