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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1835406Generated: October 30, 2026

(2-Methyl-4,5-(methylenedioxy)phenyl)(2-chloro-4-trifluoromethyl-3-pyridyl)methanol → 3-[4,5-(Methylenedioxy)-2-methylbenzoyl]-2-chloro-4-trifluoromethylpyridine

https://huagongshe.com/reaction/1835406

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2-Methyl-4,5-(methylenedioxy)phenyl)(2-chloro-4-trifluoromethyl-3-pyridyl)methanolHCID 23503597—
CatalystHCID 178418406HCID 178418406—
Product3-[4,5-(Methylenedioxy)-2-methylbenzoyl]-2-chloro-4-trifluoromethylpyridineHCID 2350359422%

Reaction Steps

Using 1.5 g (4.3 mmol) of (2-methyl-4,5-(methylenedioxy)phenyl)(2-chloro-4-trifluoromethyl-3-pyridyl)methanol obtained in step (c) and 8.0 g (92 mmol) of manganese dioxide, 0.3 g (yield 22%) of 3-[4,5-(methylenedioxy)-2-methylbenzoyl]-2-chloro-4-trifluoromethylpyridine (compound No. 13; m.p. 119-122° C.) was obtained by a process in accordance with step (b) of Synthesis Example 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06770662B2
Source datasetuspto-grants-2004_08
ORD IDord-24172ee144fd4130b46971dda77759e1
Source noteuspto-grants-2004_08