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Pyrans

Organic heterocyclic compounds that consist of a six-membered ring with five carbon atoms, one oxygen atom, and two double bonds.
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Keyword Search:
1 – 15 of 18 results
1

Patulin, TRC

CAS: 149-29-1 Molecular Formula: C7 H6 O4 Molecular Weight (g/mol): 154.12 Synonym: Patulin (6CI),4-Hydroxy-4H-furo[3,2-c]pyran-2(6H)-one,Acetic acid, (2,4-dihydroxy-2H-pyran-3(6H)-ylidene)-, 3,4-lactone,Clairformin,Clavacin,Clavatin,Claviformin,DL-Patulin,Expansin,Expansin (antibiotic),Expansine,Gigantin,Leucopin,Mycoin,Mycoin C,Mycoin C3,NSC 32951,NSC 8120,Patuline,Penicidin,Terinin IUPAC Name: 4-hydroxy-4,6-dihydrofuro[3,2-c]pyran-2-one SMILES: OC1OCC=C2OC(=O)C=C12

CAS 149-29-1
Molecular Weight (g/mol) 154.12
SMILES OC1OCC=C2OC(=O)C=C12
Synonym Patulin (6CI),4-Hydroxy-4H-furo[3,2-c]pyran-2(6H)-one,Acetic acid, (2,4-dihydroxy-2H-pyran-3(6H)-ylidene)-, 3,4-lactone,Clairformin,Clavacin,Clavatin,Claviformin,DL-Patulin,Expansin,Expansin (antibiotic),Expansine,Gigantin,Leucopin,Mycoin,Mycoin C,Mycoin C3,NSC 32951,NSC 8120,Patuline,Penicidin,Terinin
IUPAC Name 4-hydroxy-4,6-dihydrofuro[3,2-c]pyran-2-one
Molecular Formula C7 H6 O4
2

Levoglucosenone, TRC

CAS: 37112-31-5 Molecular Formula: C6 H6 O3 Molecular Weight (g/mol): 126.11 IUPAC Name: (1S,5R)-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one SMILES: O=C1C=C[C@H]2CO[C@@H]1O2

CAS 37112-31-5
Molecular Weight (g/mol) 126.11
SMILES O=C1C=C[C@H]2CO[C@@H]1O2
IUPAC Name (1S,5R)-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one
Molecular Formula C6 H6 O3
3

Endothion, TRC

CAS: 2778-04-3 Molecular Formula: C9 H13 O6 P S Molecular Weight (g/mol): 280.235 Synonym: Phosphorothioic acid, O,O-dimethyl ester, S-ester with 2-(mercaptomethyl)-5-methoxy-4H-pyran-4-one (6CI,7CI,8CI),5-Methoxy-2-(dimethoxyphosphinylthiomethyl)pyrone-4,AC-18737,Endocid,Endocide,Endothion,Niagara 5767,S-(5-Methoxy-4-pyron-2-ylmethyl) O,O-dimethyl phosphorothioate,S-[(5-Methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethylphosphorothioate,Phosphorothioic acid, S-[(5-methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethyl ester,S-((5-Methoxy-4-oxo-4H-pyran-2-yl)methyl) O,O-dimethyl Phosphorothioate; IUPAC Name: 2-(dimethoxyphosphorylsulfanylmethyl)-5-methoxy-pyran-4-one SMILES: COC1=COC(=CC1=O)CSP(=O)(OC)OC

CAS 2778-04-3
Molecular Weight (g/mol) 280.235
SMILES COC1=COC(=CC1=O)CSP(=O)(OC)OC
Synonym Phosphorothioic acid, O,O-dimethyl ester, S-ester with 2-(mercaptomethyl)-5-methoxy-4H-pyran-4-one (6CI,7CI,8CI),5-Methoxy-2-(dimethoxyphosphinylthiomethyl)pyrone-4,AC-18737,Endocid,Endocide,Endothion,Niagara 5767,S-(5-Methoxy-4-pyron-2-ylmethyl) O,O-dimethyl phosphorothioate,S-[(5-Methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethylphosphorothioate,Phosphorothioic acid, S-[(5-methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethyl ester,S-((5-Methoxy-4-oxo-4H-pyran-2-yl)methyl) O,O-dimethyl Phosphorothioate;
IUPAC Name 2-(dimethoxyphosphorylsulfanylmethyl)-5-methoxy-pyran-4-one
Molecular Formula C9 H13 O6 P S
4

Helipyrone A, TRC

CAS: 29902-01-0 Molecular Formula: C17 H20 O6 Molecular Weight (g/mol): 320.337 Synonym: 3,3'-Methylenebis[6-ethyl-4-hydroxy-5-methyl-2H-pyran-2-one],Helipyrone; IUPAC Name: 6-ethyl-3-[(6-ethyl-4-hydroxy-5-methyl-2-oxopyran-3-yl)methyl]-4-hydroxy-5-methylpyran-2-one SMILES: CCC1=C(C)C(=C(CC2=C(O)C(=C(CC)OC2=O)C)C(=O)O1)O

CAS 29902-01-0
Molecular Weight (g/mol) 320.337
SMILES CCC1=C(C)C(=C(CC2=C(O)C(=C(CC)OC2=O)C)C(=O)O1)O
Synonym 3,3'-Methylenebis[6-ethyl-4-hydroxy-5-methyl-2H-pyran-2-one],Helipyrone;
IUPAC Name 6-ethyl-3-[(6-ethyl-4-hydroxy-5-methyl-2-oxopyran-3-yl)methyl]-4-hydroxy-5-methylpyran-2-one
Molecular Formula C17 H20 O6
6

Kojic Acid, TRC

CAS: 501-30-4 Molecular Formula: C6 H6 O4 Molecular Weight (g/mol): 142.11 Synonym: 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one,2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one,5-Hydroxy-2-(hydroxymethyl)-4H-pyranone,5-Hydroxy-2-hydroxymethyl-1,4-pyrone,5-Hydroxy-2-hydroxymethyl-4-pyrone,5-Hydroxy-2-hydroxymethylpyran-4-one,Kojic acid,NSC 1942 IUPAC Name: 5-hydroxy-2-(hydroxymethyl)pyran-4-one SMILES: OCC1=CC(=O)C(=CO1)O

CAS 501-30-4
Molecular Weight (g/mol) 142.11
SMILES OCC1=CC(=O)C(=CO1)O
Synonym 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one,2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one,5-Hydroxy-2-(hydroxymethyl)-4H-pyranone,5-Hydroxy-2-hydroxymethyl-1,4-pyrone,5-Hydroxy-2-hydroxymethyl-4-pyrone,5-Hydroxy-2-hydroxymethylpyran-4-one,Kojic acid,NSC 1942
IUPAC Name 5-hydroxy-2-(hydroxymethyl)pyran-4-one
Molecular Formula C6 H6 O4
7

Dehydro Simvastatin, TRC

CAS: 210980-68-0 Molecular Formula: C25 H36 O4 Molecular Weight (g/mol): 400.55 Synonym: (1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-Dimethylbutanoate,Simvastatin Imp. C (EP),Anhydrosimvastatin IUPAC Name: [(1S,3R,7S,8S,8aR)-3,7-dimethyl-8-[2-[(2R)-6-oxo-2,3-dihydropyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] 2,2-dimethylbutanoate SMILES: CCC(C)(C)C(=O)O[C@H]1C[C@@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3CC=CC(=O)O3)[C@@H]12

CAS 210980-68-0
Molecular Weight (g/mol) 400.55
SMILES CCC(C)(C)C(=O)O[C@H]1C[C@@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3CC=CC(=O)O3)[C@@H]12
Synonym (1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-Dimethylbutanoate,Simvastatin Imp. C (EP),Anhydrosimvastatin
IUPAC Name [(1S,3R,7S,8S,8aR)-3,7-dimethyl-8-[2-[(2R)-6-oxo-2,3-dihydropyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] 2,2-dimethylbutanoate
Molecular Formula C25 H36 O4
8

Dehydro Lovastatin, TRC

CAS: 109273-98-5 Molecular Formula: C24 H34 O4 Molecular Weight (g/mol): 386.52 Synonym: (1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-naphthalen-1-yl,Lovastatin Imp. C (EP),Dehydrolovastatin IUPAC Name: [(1S,3R,7S,8S,8aR)-3,7-dimethyl-8-[2-[(2R)-6-oxo-2,3-dihydropyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] (2S)-2-methylbutanoate SMILES: CC[C@H](C)C(=O)O[C@H]1C[C@@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3CC=CC(=O)O3)[C@@H]12

CAS 109273-98-5
Molecular Weight (g/mol) 386.52
SMILES CC[C@H](C)C(=O)O[C@H]1C[C@@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3CC=CC(=O)O3)[C@@H]12
Synonym (1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-naphthalen-1-yl,Lovastatin Imp. C (EP),Dehydrolovastatin
IUPAC Name [(1S,3R,7S,8S,8aR)-3,7-dimethyl-8-[2-[(2R)-6-oxo-2,3-dihydropyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] (2S)-2-methylbutanoate
Molecular Formula C24 H34 O4
9

Ethyl Maltol, TRC

CAS: 4940-11-8 Molecular Formula: C7 H8 O3 Molecular Weight (g/mol): 140.14 Synonym: 4H-Pyran-4-one, 2-ethyl-3-hydroxy-,2-Ethyl-3-hydroxy-4-pyrone,2-Ethyl-3-hydroxy-4H-pyran-4-one,2-Ethylpyromeconic acid,3-Hydroxy-2-ethyl-1,4-pyrone,3-Hydroxy-2-ethyl-4-pyrone,3-Hydroxy-2-ethyl-γ-pyrone,Ethyl maltol,NSC 638851,Veltol plus IUPAC Name: 2-ethyl-3-hydroxypyran-4-one SMILES: CCC1=C(O)C(=O)C=CO1

CAS 4940-11-8
Molecular Weight (g/mol) 140.14
SMILES CCC1=C(O)C(=O)C=CO1
Synonym 4H-Pyran-4-one, 2-ethyl-3-hydroxy-,2-Ethyl-3-hydroxy-4-pyrone,2-Ethyl-3-hydroxy-4H-pyran-4-one,2-Ethylpyromeconic acid,3-Hydroxy-2-ethyl-1,4-pyrone,3-Hydroxy-2-ethyl-4-pyrone,3-Hydroxy-2-ethyl-γ-pyrone,Ethyl maltol,NSC 638851,Veltol plus
IUPAC Name 2-ethyl-3-hydroxypyran-4-one
Molecular Formula C7 H8 O3
10

Meconic Acid, TRC

CAS: 497-59-6 Molecular Formula: C7 H4 O7 Molecular Weight (g/mol): 200.1 Synonym: Meconic acid (6CI),3-Hydroxy-4-oxo-1,4-pyran-2,6-dicarboxylic acid,NSC 805,Poppy acid, 4H-Pyran-2,6-dicarboxylic acid, 3-hydroxy-4-oxo-,Meconic Acid IUPAC Name: 3-hydroxy-4-oxopyran-2,6-dicarboxylic acid SMILES: OC(=O)C1=CC(=O)C(=C(O1)C(=O)O)O

CAS 497-59-6
Molecular Weight (g/mol) 200.1
SMILES OC(=O)C1=CC(=O)C(=C(O1)C(=O)O)O
Synonym Meconic acid (6CI),3-Hydroxy-4-oxo-1,4-pyran-2,6-dicarboxylic acid,NSC 805,Poppy acid, 4H-Pyran-2,6-dicarboxylic acid, 3-hydroxy-4-oxo-,Meconic Acid
IUPAC Name 3-hydroxy-4-oxopyran-2,6-dicarboxylic acid
Molecular Formula C7 H4 O7
11

Pyromeconic Acid, TRC

CAS: 496-63-9 Molecular Formula: C5 H4 O3 Molecular Weight (g/mol): 112.08 Synonym: 3-Hydroxy-4H-pyran-4-one,3-Hydroxy-4-pyrone,3-Hydroxypyran-4-one,NSC 78608,Pyrocomenic Acid IUPAC Name: 3-hydroxypyran-4-one SMILES: OC1=COC=CC1=O

CAS 496-63-9
Molecular Weight (g/mol) 112.08
SMILES OC1=COC=CC1=O
Synonym 3-Hydroxy-4H-pyran-4-one,3-Hydroxy-4-pyrone,3-Hydroxypyran-4-one,NSC 78608,Pyrocomenic Acid
IUPAC Name 3-hydroxypyran-4-one
Molecular Formula C5 H4 O3
12

4-Hydroxymethyl Pendimethalin, TRC

CAS: 56750-76-6 Molecular Formula: C13 H19 N3 O5 Molecular Weight (g/mol): 297.31 Synonym: 4-[(1-Ethylpropyl)amino]-2-methyl-3,5-dinitrobenzenemethanol,4-(Hydroxymethyl)pendimethalin,4-[(1-Ethylpropyl)amino]-2-methyl-3,5-dinitrobenzyl alcohol,α4-Hydroxypendimethalin IUPAC Name: [2-methyl-3,5-dinitro-4-(pentan-3-ylamino)phenyl]methanol SMILES: CCC(CC)Nc1c(cc(CO)c(C)c1[N+](=O)[O-])[N+](=O)[O-]

CAS 56750-76-6
Molecular Weight (g/mol) 297.31
SMILES CCC(CC)Nc1c(cc(CO)c(C)c1[N+](=O)[O-])[N+](=O)[O-]
Synonym 4-[(1-Ethylpropyl)amino]-2-methyl-3,5-dinitrobenzenemethanol,4-(Hydroxymethyl)pendimethalin,4-[(1-Ethylpropyl)amino]-2-methyl-3,5-dinitrobenzyl alcohol,α4-Hydroxypendimethalin
IUPAC Name [2-methyl-3,5-dinitro-4-(pentan-3-ylamino)phenyl]methanol
Molecular Formula C13 H19 N3 O5
13

Citreoviridin (80%, Contain Isocitreoviridin), TRC

CAS: 25425-12-1 Molecular Formula: C23H30O6 Molecular Weight (g/mol): 402.48 Synonym: Citreoviridin A,Citreoviridine,Citreoviridine A,5-Hydroxy-3-methoxy-4,12-dimethyl-13-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furyl)-2,4,6,8,10,12-tridecahexaenoic Acid, δ-Lactone,[2S-[2α(1E,3E,5E,7E),3β,4α,5α]]-4-Methoxy-5-methyl-6-[7-methyl-8-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furanyl)-1,3,5,7-octatetraenyl]-2H-pyran-2-one,4-Methoxy-5-methyl-6-[7-methyl-8-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furyl)-1,3,5,7-octatetraenyl]-2H-pyran-2-one,2,5-Anhydro-1,6-dideoxy-2-C-[(1E,3E,5E,7E)-8-(4-methoxy-5-methyl-2-oxo-2H-pyran-6-yl)-2-methyl-1,3,5,7-octatetraenyl]-4-C-methyl-D-Iditol,6-((1E,3E,5E,7E)-8-((2S,3R,4R,5R)-3,4-Dihydroxy-2,4,5-trimethyltetrahydrofuran-2-yl)-7-methylocta-1,3,5,7-tetraen-1-yl)-4-methoxy-5-methyl-2H-pyran-2-one IUPAC Name: 6-[(1E,3E,5E,7E)-8-[(2S,3R,4R,5R)-3,4-dihydroxy-2,4,5-trimethyloxolan-2-yl]-7-methylocta-1,3,5,7-tetraenyl]-4-methoxy-5-methylpyran-2-one SMILES: COC1=CC(=O)OC(=C1C)\C=C\C=C\C=C\C(=C\[C@]2(C)O[C@H](C)[C@](C)(O)[C@H]2O)\C

CAS 25425-12-1
Molecular Weight (g/mol) 402.48
SMILES COC1=CC(=O)OC(=C1C)\C=C\C=C\C=C\C(=C\[C@]2(C)O[C@H](C)[C@](C)(O)[C@H]2O)\C
Synonym Citreoviridin A,Citreoviridine,Citreoviridine A,5-Hydroxy-3-methoxy-4,12-dimethyl-13-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furyl)-2,4,6,8,10,12-tridecahexaenoic Acid, δ-Lactone,[2S-[2α(1E,3E,5E,7E),3β,4α,5α]]-4-Methoxy-5-methyl-6-[7-methyl-8-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furanyl)-1,3,5,7-octatetraenyl]-2H-pyran-2-one,4-Methoxy-5-methyl-6-[7-methyl-8-(tetrahydro-3,4-dihydroxy-2,4,5-trimethyl-2-furyl)-1,3,5,7-octatetraenyl]-2H-pyran-2-one,2,5-Anhydro-1,6-dideoxy-2-C-[(1E,3E,5E,7E)-8-(4-methoxy-5-methyl-2-oxo-2H-pyran-6-yl)-2-methyl-1,3,5,7-octatetraenyl]-4-C-methyl-D-Iditol,6-((1E,3E,5E,7E)-8-((2S,3R,4R,5R)-3,4-Dihydroxy-2,4,5-trimethyltetrahydrofuran-2-yl)-7-methylocta-1,3,5,7-tetraen-1-yl)-4-methoxy-5-methyl-2H-pyran-2-one
IUPAC Name 6-[(1E,3E,5E,7E)-8-[(2S,3R,4R,5R)-3,4-dihydroxy-2,4,5-trimethyloxolan-2-yl]-7-methylocta-1,3,5,7-tetraenyl]-4-methoxy-5-methylpyran-2-one
Molecular Formula C23H30O6
14

3-Hydroxy-2-pyrone, TRC

CAS: 496-64-0 Molecular Formula: C5 H4 O3 Molecular Weight (g/mol): 112.08 IUPAC Name: 3-hydroxypyran-2-one SMILES: OC1=CC=COC1=O

CAS 496-64-0
Molecular Weight (g/mol) 112.08
SMILES OC1=CC=COC1=O
IUPAC Name 3-hydroxypyran-2-one
Molecular Formula C5 H4 O3
15

6-Cyclohexyl-4-methyl-2H-pyran-2-one, TRC

CAS: 14818-35-0 Molecular Formula: C12 H16 O2 Molecular Weight (g/mol): 192.25 Synonym: 2H-Pyran-2-one, 6-cyclohexyl-4-methyl-,6-Cyclohexyl-4-methyl-2H-pyran-2-one,6-Cyclohexyl-4-methyl-2-pyrone IUPAC Name: 6-cyclohexyl-4-methylpyran-2-one SMILES: CC1=CC(=O)OC(=C1)C2CCCCC2

CAS 14818-35-0
Molecular Weight (g/mol) 192.25
SMILES CC1=CC(=O)OC(=C1)C2CCCCC2
Synonym 2H-Pyran-2-one, 6-cyclohexyl-4-methyl-,6-Cyclohexyl-4-methyl-2H-pyran-2-one,6-Cyclohexyl-4-methyl-2-pyrone
IUPAC Name 6-cyclohexyl-4-methylpyran-2-one
Molecular Formula C12 H16 O2