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Murcko scaffold

Pyrazolo[1,5-a]pyrimidin-5(1H)-one scaffold

292 chemicals on CompoundList share this ring system.

Rings
2
Scaffold atoms
10
Chemicals
292
With full pages
11
Scaffold SMILES

O=c1ccn2nccc2[nH]1

A Bemis-Murcko scaffold is what remains of a molecule when every side chain is removed: the rings and the chains that link them. Chemicals that share a scaffold often belong to the same compound series, which helps when you look for analogues, alternative suppliers or related building blocks.

Substructure search with this scaffoldOpen the Pyrazolo[1,5-a]pyrimidin-5(1H)-one page
Murcko scaffold O=c1ccn2nccc2[nH]1

Computed from the structures of the chemicals listed here. Stereo and charges are removed before the scaffold is taken.

Chemicals with this scaffold

Open one to see its structure, properties and suppliers.

Showing 1 to 48 of 292 chemicals

4-Methylpyrazolo[1,5-a]pyrimidin-5(4H)-one chemical structure, C7H7N3O, CAS 29274-25-7
4-Methylpyrazolo[1,5-a]pyrimidin-5(4H)-one
CAS 29274-25-7C7H7N3O
6-Ethyl-2,7-dimethyl-1H-pyrazolo[1,5-a]pyrimidin-5-one chemical structure, C10H13N3O, CAS 309949-82-4
6-Ethyl-2,7-dimethyl-1H-pyrazolo[1,5-a]pyrimidin-5-one
CAS 309949-82-4C10H13N3O
2,7-Dimethylpyrazolo[1,5-a]pyrimidin-5-ol chemical structure, C8H9N3O, CAS 27166-37-6
2,7-Dimethylpyrazolo[1,5-a]pyrimidin-5-ol
CAS 27166-37-6C8H9N3O
6-(2-Hydroxyethyl)-2,7-dimethylpyrazolo[1,5-a]pyrimidin-5-ol chemical structure, C10H13N3O2, CAS 309949-84-6
6-(2-Hydroxyethyl)-2,7-dimethylpyrazolo[1,5-a]pyrimidin-5-ol
CAS 309949-84-6C10H13N3O2
7-Methyl-5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid chemical structure, C8H7N3O3, CAS 675830-69-0
7-Methyl-5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid
CAS 675830-69-0C8H7N3O3
Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate chemical structure, C9H9N3O3, CAS 926663-00-5
Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS 926663-00-5C9H9N3O3
Pyrazolo[1,5-a]pyrimidin-5(1H)-one chemical structure, C6H5N3O, CAS 1027534-43-5
Pyrazolo[1,5-a]pyrimidin-5(1H)-one
CAS 1027534-43-5C6H5N3O
2-Methyl-5-oxo-4H,5H-pyrazolo(1,5-a)pyrimidine-6-carboxylic acid chemical structure, C8H7N3O3, CAS 739365-02-7
2-Methyl-5-oxo-4H,5H-pyrazolo(1,5-a)pyrimidine-6-carboxylic acid
CAS 739365-02-7C8H7N3O3
Ethyl 5-hydroxy-2-methylpyrazolo[1,5-A]pyrimidine-6-carboxylate chemical structure, C10H11N3O3, CAS 739366-01-9
Ethyl 5-hydroxy-2-methylpyrazolo[1,5-A]pyrimidine-6-carboxylate
CAS 739366-01-9C10H11N3O3
Tetramethylpyrazolo[1,5-a]pyrimidin-5-ol chemical structure, C10H13N3O, CAS 1566700-34-2
Tetramethylpyrazolo[1,5-a]pyrimidin-5-ol
CAS 1566700-34-2C10H13N3O
7-(Chloromethyl)-2-methylpyrazolo[1,5-a]pyrimidin-5-ol chemical structure, C8H8ClN3O, CAS 832737-54-9
7-(Chloromethyl)-2-methylpyrazolo[1,5-a]pyrimidin-5-ol
CAS 832737-54-9C8H8ClN3O
7-(Chloromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid chemical structure, C8H6ClN3O3, CAS 869947-01-3
7-(Chloromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid
CAS 869947-01-3C8H6ClN3O3
7-Methylpyrazolo(1,5-a)pyrimidin-5-ol chemical structure, C7H7N3O, CAS 29269-60-1
7-Methylpyrazolo(1,5-a)pyrimidin-5-ol
CAS 29269-60-1C7H7N3O
Ethyl 7-(difluoromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate chemical structure, C10H9F2N3O3, CAS 938001-08-2
Ethyl 7-(difluoromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate
CAS 938001-08-2C10H9F2N3O3
Ethyl 7-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate chemical structure, C10H11N3O3, CAS 938022-20-9
Ethyl 7-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate
CAS 938022-20-9C10H11N3O3
7-Aminopyrazolo[1,5-A]pyrimidin-5-ol chemical structure, C6H6N4O, CAS 89418-10-0
7-Aminopyrazolo[1,5-A]pyrimidin-5-ol
CAS 89418-10-0C6H6N4O
6-Methylpyrazolo[1,5-a]pyrimidine-5,7-diol chemical structure, C7H7N3O2, CAS 57489-71-1
6-Methylpyrazolo[1,5-a]pyrimidine-5,7-diol
CAS 57489-71-1C7H7N3O2
5-Oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid chemical structure, C7H5N3O3, CAS 1224944-46-0
5-Oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
CAS 1224944-46-0C7H5N3O3
2-Methylpyrazolo[1,5-A]pyrimidine-5,7-diol chemical structure, C7H7N3O2, CAS 939979-42-7
2-Methylpyrazolo[1,5-A]pyrimidine-5,7-diol
CAS 939979-42-7C7H7N3O2
7-Hydroxy-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile chemical structure, C7H4N4O2, CAS 1310250-12-4
7-Hydroxy-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile
CAS 1310250-12-4C7H4N4O2
Ethyl 7-amino-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate chemical structure, C9H10N4O3, CAS 90674-09-2
Ethyl 7-amino-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS 90674-09-2C9H10N4O3
3-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one chemical structure, C6H4BrN3O, CAS 1198569-35-5
3-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one
CAS 1198569-35-5C6H4BrN3O
Methyl 5-chloro-7-methylpyrazolo[1,5-a]pyrimidine-3-carboxylate chemical structure, C9H9N3O3, CAS 120490-60-0
Methyl 5-chloro-7-methylpyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS 120490-60-0C9H9N3O3
3-Isopropylpyrazolo[1,5-a]pyrimidine-5,7-diol chemical structure, C9H11N3O2, CAS 771510-25-9
3-Isopropylpyrazolo[1,5-a]pyrimidine-5,7-diol
CAS 771510-25-9C9H11N3O2