Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 35849Generated: October 24, 2026

3-Amino-5-methylisoxazole → 5,6-Dihydro-4-hydroxy-2,6-dimethyl-N-(5-methyl-3-isoxazolyl)-1,1-dioxo-2H-1,2,6-thiadiazine-3-carboxamide

https://huagongshe.com/en/reaction/35849

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Amino-5-methylisoxazoleHCID 66172—
Reactantmethyl 5,6-dihydro-4-hydroxy-2,6-dimethyl-1,1-dioxo-2H-1,2,6-thiadiazine-3-carboxylateHCID 54719676—
Product5,6-Dihydro-4-hydroxy-2,6-dimethyl-N-(5-methyl-3-isoxazolyl)-1,1-dioxo-2H-1,2,6-thiadiazine-3-carboxamideHCID 5471967749%

Reaction Steps

The synthesis was effected analogously to Example 1 using in each case 1.0 equivalent of methyl 5,6-dihydro-4-hydroxy-2,6-dimethyl-1,1-dioxo-2H-1,2,6-thiadiazine-3-carboxylate and 3-amino-5-methylisoxazole. Recrystallisation from a diisopropyl ether/tetrahydrofuran mixture gives the title compound in a yield of 49%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05411955
Source datasetuspto-grants-1995_05
ORD IDord-08f064fa14be4ae4821b076e7a759930
Source noteuspto-grants-1995_05