HCID 20368069, compound → HCID 20368077, compound

HRID 616574Notes

Reaction equation

HRID 616574 reaction equation
C[C:2]1[CH:18]=[C:5]2[N:6]([CH3:17])[C:7]3[CH:14]=[C:13]([S:15][CH3:16])[N:12]=[CH:11][C:8]=3[C:9](=[O:10])[N:4]2[N:3]=1.ClC1N=CC2C(=O)N3N=CC=C3N(C)C=2C=1>>[CH3:17][N:6]1[C:7]2[CH:14]=[C:13]([S:15][CH3:16])[N:12]=[CH:11][C:8]=2[C:9](=[O:10])[N:4]2[N:3]=[CH:2][CH:18]=[C:5]12

Participants

3

Reactant 2

HCID 20368069HCID 20368069, compoundHCID 20368075HCID 20368075, compound

Product 1

HCID 20368077HCID 20368077, compoundYield 68%

Procedure

When 6-chloro-2,4-dimethylpyrazolo[1,5-a]pyrido[4,3-d]pyrimidin-9(4H)-one of Example 9 is replaced by 6-chloro-4-methylpyrazolo[1,5-a]pyrido[4,3-d]pyrimidin-9(4H)-one of Example 6, 4-methyl-6-(methylthio)pyrazolo[1,5-a]pyrido[4,3-d]pyrimidin-9(4H)-one is obtained, yield: 68%; m.p. 267.4° (butyl alcohol).

Sources & evidence

ORD record
ord-0810499a9be14f78828ab513c5280669
Source dataset
uspto-grants-1978_02
Patent number
US04075210

Reaction notes

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