Benzo(d)thiazol-2-amine → 2H-(1)Benzothieno(2,3-e)-1,2-thiazine-3-carboxamide, N-2-benzothiazolyl-4-hydroxy-2-methyl-, 1,1-dioxide

HRID 128262Notes

Reaction equation

HRID 128262 reaction equation
[OH:1][C:2]1[C:7]2[S:8][C:9]3[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=3[C:6]=2[S:5](=[O:16])(=[O:15])[N:4]([CH3:17])[C:3]=1[C:18]([O:20]CC)=O.[NH2:23][C:24]1[S:25][C:26]2[CH:32]=[CH:31][CH:30]=[CH:29][C:27]=2[N:28]=1>>[S:25]1[C:26]2[CH:32]=[CH:31][CH:30]=[CH:29][C:27]=2[N:28]=[C:24]1[NH:23][C:18]([C:3]1[N:4]([CH3:17])[S:5](=[O:15])(=[O:16])[C:6]2[C:10]3[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=3[S:8][C:7]=2[C:2]=1[OH:1])=[O:20]

Participants

3

Reactant 2

HCID 8706Benzo(d)thiazol-2-amineHCID 70577588ethyl 4-hydroxy-2-methyl-2H-[1]-benzothieno[2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxide

Product 1

HCID 547088992H-(1)Benzothieno(2,3-e)-1,2-thiazine-3-carboxamide, N-2-benzothiazolyl-4-hydroxy-2-methyl-, 1,1-dioxideYield 70%

Procedure

Prepared analogous to Example 1 from ethyl 4-hydroxy-2-methyl-2H-[1]-benzothieno[2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxide and 2-amino-benzothiazole with a yield of 70% of theory.

Sources & evidence

ORD record
ord-a9d6ec959c3e42749b8f22bb5b5ae144
Source dataset
uspto-grants-1981_03
Patent number
US04259336

Reaction notes

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