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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 435953Generated: October 30, 2026

Pyridine → HCID 54376102, compound

https://huagongshe.com/reaction/435953

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantChromic AcidHCID 24425—
ReactantHCID 20326993HCID 20326993—
SolventDichloromethaneHCID 6344—
ProductHCID 54376102HCID 54376102—

Reaction Steps

To a solution of dry pyridine (5.85 ml) in methylene chloride (135 ml, purified by shaking with H2SO4, and dried over CaO, and distilled) is added chromic acid (4 g) at 15° C. The mixture is stirred for 20 min. To this mixture is added a solution of the compound of formula 1 in which R2 is methyl, methyl trans-7-[2-hydroxy-5-(3-hydroxy-3-methyl-1-octenyl)cyclopentyl]heptanoate, described in Example 92, in methylene chloride (50 ml). The mixture is stirred for 1 hour. The reaction mixture is filtered and the collected slurry on the filter pad is washed with more methylene chloride. The organic phase of the filtrate and washing are combined and washed with water, dried (Na2SO4) and the solvent concentrated, to yield the crude product. Chromatography of the product on a silica gel column affords the title compound, identical to the product of the same name described in Example 91.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04007171
Source datasetuspto-grants-1977_02
ORD IDord-77126a69ad8a46da800c5aa89b803bc7
Source noteuspto-grants-1977_02