3-Methyluracil → 1,5-Dihydro-3,8-dimethyl-2H-pyrimido[4,5-b][1,4]benzothiazine-2,4(3H)-dione

HRID 36853

Reaction equation

[CH3:1][N:2]1[C:7](=[O:8])[CH:6]=[CH:5][NH:4][C:3]1=[O:9].[NH2:10][C:11]1[CH:16]=[CH:15][C:14]([CH3:17])=[CH:13][C:12]=1[SH:18]>>[CH3:1][N:2]1[C:7](=[O:8])[C:6]2[NH:10][C:11]3[CH:16]=[CH:15][C:14]([CH3:17])=[CH:13][C:12]=3[S:18][C:5]=2[NH:4][C:3]1=[O:9]

Participants

Reactant 2

HCID 790663-Methyluracil

HCID 3232602-Amino-5-methylbenzene-1-thiol

Product 1

HCID 152222611,5-Dihydro-3,8-dimethyl-2H-pyrimido[4,5-b][1,4]benzothiazine-2,4(3H)-dione

Procedure

Employing the procedure of Example 1, parts A and B with 3-methylpyrimidine-2,4(1H, 3H)-dione and 2-amino-5-methylbenzenthiol yielded the title compound.

Sources & evidence

ORD record: ord-7e0d183350d54e1f96c2ef8c49e385f2
Source dataset: uspto-grants-1995_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05418231

Linked notes

Loading…