2-Amino-4,5,6,7-tetrahydrobenzothiazole → HCID 54695978, compound

HRID 1730553Notes

Reaction equation

HRID 1730553 reaction equation
C[O:2][C:3]([C:5]1[N:6]([CH3:22])[S:7](=[O:21])(=[O:20])[C:8]2[C:19]3[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=3)[CH:13]=[CH:12][C:9]=2[C:10]=1[OH:11])=O.[NH2:23][C:24]1[S:25][C:26]2[CH2:32][CH2:31][CH2:30][CH2:29][C:27]=2[N:28]=1>C(Cl)CCl>[OH:11][C:10]1[C:9]2[CH:12]=[CH:13][C:14]3[C:19]([C:8]=2[S:7](=[O:21])(=[O:20])[N:6]([CH3:22])[C:5]=1[C:3]([NH:23][C:24]1[S:25][C:26]2[CH2:32][CH2:31][CH2:30][CH2:29][C:27]=2[N:28]=1)=[O:2])=[CH:18][CH:17]=[CH:16][CH:15]=3

Participants

4

Reactant 2

HCID 180462-Amino-4,5,6,7-tetrahydrobenzothiazoleHCID 546906514-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide

Product 1

HCID 54695978HCID 54695978, compoundYield 38%

Reagents, catalysts & solvents 1

HCID 111,2-DichloroethaneSolvent

Procedure

4-Hydroxy-2-methyl-N-(4,5,6,7-tetrahydro-2-benzothiazolyl)-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide was prepared analogous to Example 22 from 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methyl ester-1,1-dioxide and 2-amino4,5,6,7-tetrahydro-benzothiazole.Yield: 38% of theory; m.p. 255°-257° C, (decomp.; from ethylene chloride).

Sources & evidence

ORD record
ord-9a5f03604944459fabf05f10abd038fb
Source dataset
uspto-grants-1976_11
Patent number
US03992535

Reaction notes

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