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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1900914Generated: October 25, 2026

Hydrogen Sulfide → ethyl N-[N-(4-thiocarbamoylbenzoyl)carbamoyl]piperidin-4-yloxyacetate

https://huagongshe.com/reaction/1900914

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen SulfideHCID 402—
ReactantPyridineHCID 1049—
Reactantethyl N-[N-(4-cyanobenzoyl)carbamoyl]piperidin-4-yloxyacetateHCID 23369999—
SolventTriethylamineHCID 8471—
Productethyl N-[N-(4-thiocarbamoylbenzoyl)carbamoyl]piperidin-4-yloxyacetateHCID 23370050—

Reaction Steps

In a similar manner to Example 1, starting material step (b), the product from step (c) (1.2 g), pyridine (84 ml), triethylamine (7 ml) and H2S gas were reacted to give ethyl N-[N-(4-thiocarbamoylbenzoyl)carbamoyl]piperidin-4-yloxyacetate (0.74 g) as a yellow gum: NMR Spectrum (DMSO-d6) 1.20 (3H, t), 1.50 (2H, m), 1.87 (2H, m), 3.20 (2H, m), 3.66 (3H, m), 4.12 (2H, q), 4.15 (2H, s), 7.90 (4H, m), 9.63 (1H, br s), 10.00 (1H, br s); Mass Spectrum m/Z 394 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05576334
Source datasetuspto-grants-1996_11
ORD IDord-488c60ac063e41f28cb60013dc95e50a
Source noteuspto-grants-1996_11