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Murcko scaffold

Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one scaffold

28 chemicals on CompoundList share this ring system.

Rings
2
Scaffold atoms
10
Chemicals
28
With full pages
4
Scaffold SMILES

O=C1NCC2CNCCN12

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 Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one page
Murcko scaffold O=C1NCC2CNCCN12

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 28 of 28 chemicals

7-Methylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one chemical structure, C7H13N3O, CAS 56904-16-6
7-Methylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one
CAS 56904-16-6C7H13N3O
2,7-Dimethylhexahydroimidazo[1,5-A]pyrazin-3(2H)-one chemical structure, C8H15N3O, CAS 56904-19-9
2,7-Dimethylhexahydroimidazo[1,5-A]pyrazin-3(2H)-one
CAS 56904-19-9C8H15N3O
2-Ethyl-7-methylhexahydroimidazo[1,5-A]pyrazin-3(2H)-one chemical structure, C9H17N3O, CAS 56904-20-2
2-Ethyl-7-methylhexahydroimidazo[1,5-A]pyrazin-3(2H)-one
CAS 56904-20-2C9H17N3O
Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one chemical structure, C6H11N3O, CAS 1256815-85-6
Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one
CAS 1256815-85-6C6H11N3O
tert-Butyl 3-oxo-octahydroimidazolidino[1,5-a]piperazine-7-carboxylate chemical structure, C11H19N3O3, CAS 1246551-25-6
tert-Butyl 3-oxo-octahydroimidazolidino[1,5-a]piperazine-7-carboxylate
CAS 1246551-25-6C11H19N3O3
Hexahydro-2-methylimidazo[1,5-a]pyrazin-3-one chemical structure, C7H13N3O, CAS 1256815-08-3
Hexahydro-2-methylimidazo[1,5-a]pyrazin-3-one
CAS 1256815-08-3C7H13N3O
Octahydroimidazolidino[1,5-a]piperazin-3-one hydrochloride chemical structure, C6H12ClN3O, CAS 1376340-66-7
Octahydroimidazolidino[1,5-a]piperazin-3-one hydrochloride
CAS 1376340-66-7C6H12ClN3O
2-(2-Methylpropyl)-octahydroimidazolidino[1,5-a]piperazin-3-one chemical structure, C10H19N3O, CAS 1506622-53-2
2-(2-Methylpropyl)-octahydroimidazolidino[1,5-a]piperazin-3-one
CAS 1506622-53-2C10H19N3O
2-Isopropylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one chemical structure, C9H17N3O, CAS 1781741-11-4
2-Isopropylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one
CAS 1781741-11-4C9H17N3O
2-(2-Methylpropyl)-octahydroimidazolidino[1,5-a]piperazin-3-one hydrochloride chemical structure, C10H20ClN3O, CAS 1788626-12-9
2-(2-Methylpropyl)-octahydroimidazolidino[1,5-a]piperazin-3-one hydrochloride
CAS 1788626-12-9C10H20ClN3O
2-Methyl-octahydroimidazolidino(1,5-a)piperazin-3-one hydrochloride chemical structure, C7H14ClN3O, CAS 1788990-16-8
2-Methyl-octahydroimidazolidino(1,5-a)piperazin-3-one hydrochloride
CAS 1788990-16-8C7H14ClN3O
(S)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one chemical structure, C6H11N3O, CAS 1808248-61-4
(S)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one
CAS 1808248-61-4C6H11N3O
(R)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one chemical structure, C6H11N3O, CAS 2027494-87-5
(R)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one
CAS 2027494-87-5C6H11N3O
tert-Butyl (R)-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate chemical structure, C11H19N3O3, CAS 1808248-81-8
tert-Butyl (R)-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate
CAS 1808248-81-8C11H19N3O3
tert-Butyl (S)-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate chemical structure, C11H19N3O3, CAS 1808248-64-7
tert-Butyl (S)-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate
CAS 1808248-64-7C11H19N3O3
Methyl hexahydro-3-oxoimidazo[1,5-a]pyrazine-8a(1H)-carboxylate chemical structure, C8H13N3O3, CAS 1808248-75-0
Methyl hexahydro-3-oxoimidazo[1,5-a]pyrazine-8a(1H)-carboxylate
CAS 1808248-75-0C8H13N3O3
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid chemical structure, C11H19N3O3, CAS 1808248-69-2
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid
CAS 1808248-69-2C11H19N3O3
(S)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one hydrochloride chemical structure, C6H12ClN3O, CAS 2306252-73-1
(S)-Hexahydroimidazo[1,5-a]pyrazin-3(2H)-one hydrochloride
CAS 2306252-73-1C6H12ClN3O
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid hydrochloride chemical structure, C11H20ClN3O3, CAS 2126690-42-2
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid hydrochloride
CAS 2126690-42-2C11H20ClN3O3
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid compound with 2,2,2-trifluoroacetic acid (1:1) chemical structure, C13H20F3N3O5, CAS 1808248-74-9
(S)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid compound with 2,2,2-trifluoroacetic acid (1:1)
CAS 1808248-74-9C13H20F3N3O5
(R)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid compound with 2,2,2-trifluoroacetic acid (1:1) chemical structure, C13H20F3N3O5, CAS 2306252-88-8
(R)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid compound with 2,2,2-trifluoroacetic acid (1:1)
CAS 2306252-88-8C13H20F3N3O5
(R)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid chemical structure, C11H19N3O3, CAS 2306252-87-7
(R)-2,2-Dimethyl-3-(3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid
CAS 2306252-87-7C11H19N3O3
tert-Butyl 8a-methyl-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate chemical structure, C12H21N3O3, CAS 2307723-62-0
tert-Butyl 8a-methyl-3-oxohexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxylate
CAS 2307723-62-0C12H21N3O3
2,2-Dimethyl-3-(8a-methyl-3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid chemical structure, C12H21N3O3, CAS 2446738-65-2
2,2-Dimethyl-3-(8a-methyl-3-oxohexahydroimidazo[1,5-a]pyrazin-2(3H)-yl)propanoic acid
CAS 2446738-65-2C12H21N3O3