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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1089985Generated: October 31, 2026

Pyridine → HCID 67859589, compound

https://huagongshe.com/reaction/1089985

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant4-Toluenesulfonyl chlorideHCID 7397—
ReactantDiazomethaneHCID 9550—
ReactantHCID 67859571HCID 67859571—
SolventDichloromethaneHCID 6344—
ProductHCID 67859589HCID 67859589—

Reaction Conditions

Temperature0 °C

Reaction Steps

A mixture of 1.2 g of (5Z,13E)-(9S,11R,15R,16RS)-9-hydroxy-16-fluoro-11,15-bis(tetrahydropyran-2-yloxy)-5,13-prostadienoic acid methyl ester (prepared from the corresponding acid in methylene chloride with 0.5-molar diazomethane solution at 0° C.), 800 mg of p-toluenesulfonic acid chloride, and 4 ml of pyridine is agitated for 16 hours at 0° C., then for 48 hours at 25° C. The mixture is worked up according to Example 1. Yield: 1.45 g of the 9-tosylate as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05079259
Source datasetuspto-grants-1992_01
ORD IDord-3614af93f3ef4e9dbf2be8bb129f36ae
Source noteuspto-grants-1992_01