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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 569734Generated: October 29, 2026

Thionyl Chloride → HCID 19921765, compound

https://huagongshe.com/reaction/569734

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantTetrahydro-1H-pyrrolizine-7a(5H)-carboxylic acid hydrochlorideHCID 44118652—
ProductHCID 19921765HCID 1992176595.9%

Reaction Steps

A mixture of pyrrolizidine-7a-carboxylic acid hydrochloride (24.6 g, 0.128 mol, prepared as described in Reference Example 2) and thionylchloride (280 ml, 3.89 mol) was stirred for 17 hours at 20° to 25° C. and the excess of thionylchloride was evaporated in vacuo to give 25.7g (95.9%) of the desired compound, as yellowish solids.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04734411
Source datasetuspto-grants-1988_03
ORD IDord-a8a6f945fcd14f9cbd87cd56c84cc2ed
Source noteuspto-grants-1988_03