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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1730584Generated: November 3, 2026

Phosgene → HCID 54488998, compound

https://huagongshe.com/reaction/1730584

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosgeneHCID 6371—
Reactant2-Ethyl-4-(pyrrolidin-1-yl)-1lambda~6~-naphtho[2,1-e][1,2]thiazine-1,1(2H)-dioneHCID 21498097—
ProductHCID 54488998HCID 54488998—

Reaction Steps

2-Ethyl-4-(1-pyrrolidyl)-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid chloride-1,1-dioxide was prepared analogous to Example 55b from 2-ethyl-4-(1-pyrrolidyl)-2H-naphtho[2,1-e]-1,2-thiazine-1,1-dioxide and phosgene and recovered in the form of a solution in tetrahydrofuran.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03992535
Source datasetuspto-grants-1976_11
ORD IDord-d79ae4c812f043ba959ad51b1f1d0bdf
Source noteuspto-grants-1976_11