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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1900895Generated: October 26, 2026

Hydrogen Sulfide → t-Butyl 4-[3-(4-thiocarbamoylbenzoyl)ureido]-3-methylphenoxyacetate

https://huagongshe.com/reaction/1900895

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen SulfideHCID 402—
ReactantPyridineHCID 1049—
Reactantt-Butyl 4-[3-(4-cyanobenzoyl)ureido]-3-methylphenoxyacetateHCID 23370039—
SolventTriethylamineHCID 8471—
Productt-Butyl 4-[3-(4-thiocarbamoylbenzoyl)ureido]-3-methylphenoxyacetateHCID 23369996—

Reaction Steps

In a similar manner to Example 1, starting material step (b), the product of step (c) (611 mg), pyridine (70 ml), triethylamine (10 ml) and H2S gas were reacted to give t-butyl 4-[3-(4-thiocarbamoylbenzoyl)ureido]-3-methylphenoxyacetate (660 mg) as a yellow solid: NMR Spectrum (DMSO-d6) 1.44 (9H, s), 2.27 (3H, s), 4.61 (2H, s), 6.76 (1H, dd), 6.83 (1H, d), 7.76 (1H, d), 7.95 (2H, d), 8.05 (2H, d), 9.67 (1H, br s), 10.06 (1H, br s), 10.55 (1H, s), 11.12 (1H, s); Mass Spectrum m/Z 466 (M+Na)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05576334
Source datasetuspto-grants-1996_11
ORD IDord-4a3ffba019634f21876c4b5d913d4017
Source noteuspto-grants-1996_11