Phosphoric Acid → HCID 21503688, compound

HRID 1288013Notes

Reaction equation

[Cl:1][C:2]1[CH:3]=[C:4]([CH:25]=[CH:26][CH:27]=1)[C:5]([C:7]1[C:8]([O:23][CH3:24])=[C:9]2[CH:16]=[N:15][N:14](CC3OC=CC=3)[C:10]2=[N:11][C:12]=1[CH3:13])=[O:6].P(=O)(O)(O)O>>[Cl:1][C:2]1[CH:3]=[C:4]([CH:25]=[CH:26][CH:27]=1)[C:5]([C:7]1[C:8]([O:23][CH3:24])=[C:9]2[CH:16]=[N:15][NH:14][C:10]2=[N:11][C:12]=1[CH3:13])=[O:6]

Participants

Reactant 2

HCID 1004Phosphoric Acid

HCID 21503702HCID 21503702, compound

Product 1

HCID 21503688HCID 21503688, compound

Procedure

5-(3-Chlorobenzoyl)-1-(2-furanylmethyl)-4-methoxy-6-methyl-1H-pyrazolo[3,4-b]pyridine is treated with concentrated phosphoric acid according to the procedure of Example 1d to obtain 5-(3-chlorobenzoyl)-4-methoxy-6-methyl-1H-pyrazolo-[3,4-b]pyridine.

Sources & evidence

ORD record: ord-9e9dbffb2c6f4237887b6934c0d96435
Source dataset: uspto-grants-1976_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US03987051

Reaction notes

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