Vinylogous acids

Organic compounds that contain one or more hydroxyl groups indirectly attached to a carbonyl group via an intervening vinyl functional group (-C=C-; also known as carbon - carbon double bond).

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46 – 60 of 385 results

ethyle2-amino-4-methylthiophene-3-carboxylate, 97%, Thermo Scientific™

CAS: 43088-42-2 Molecular Formula: C8H11NO2S Molecular Weight (g/mol): 185.241 MDL Number: MFCD00051669 InChI Key: ILYCZKOBLRJJSW-UHFFFAOYSA-N Synonym: 2-amino-4-methylthiophene-3-carboxylic acid ethyl ester,2-amino-4-methyl-thiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-4-methyl-, ethyl ester,ethyl2-amino-4-methylthiophene-3-carboxylate,ethyl 2-amino-4-methyl-3-thiophenecarboxylate,acmc-20a9ux,maybridge1_003755,2-amino-4-methyl-3-ethoxycarbonyl-thiophene,ethyl 2-amino4-methylthiophene-3-carboxylate,2-amino-3-ethoxycarbonyl-4-methylthiophene PubChem CID: 521132 IUPAC Name: ethyl 2-amino-4-methylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC=C1C)N

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PubChem CID	521132
CAS	43088-42-2
Molecular Weight (g/mol)	185.241
MDL Number	MFCD00051669
SMILES	CCOC(=O)C1=C(SC=C1C)N
Synonym	2-amino-4-methylthiophene-3-carboxylic acid ethyl ester,2-amino-4-methyl-thiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-4-methyl-, ethyl ester,ethyl2-amino-4-methylthiophene-3-carboxylate,ethyl 2-amino-4-methyl-3-thiophenecarboxylate,acmc-20a9ux,maybridge1_003755,2-amino-4-methyl-3-ethoxycarbonyl-thiophene,ethyl 2-amino4-methylthiophene-3-carboxylate,2-amino-3-ethoxycarbonyl-4-methylthiophene
IUPAC Name	ethyl 2-amino-4-methylthiophene-3-carboxylate
InChI Key	ILYCZKOBLRJJSW-UHFFFAOYSA-N
Molecular Formula	C8H11NO2S

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4-Methoxy-2(5H)-furanone, 97%

CAS: 69556-70-3 Molecular Formula: C₅H₆O₃ Molecular Weight (g/mol): 114.1 MDL Number: MFCD00071565 InChI Key: VOYDEHILKLSVNN-UHFFFAOYSA-N PubChem CID: 643477 IUPAC Name: 3-methoxy-2H-furan-5-one SMILES: COC1=CC(=O)OC1

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PubChem CID	643477
CAS	69556-70-3
Molecular Weight (g/mol)	114.1
MDL Number	MFCD00071565
SMILES	COC1=CC(=O)OC1
IUPAC Name	3-methoxy-2H-furan-5-one
InChI Key	VOYDEHILKLSVNN-UHFFFAOYSA-N
Molecular Formula	C₅H₆O₃

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Methyl 2-aminothiophene-3-carboxylate, 97%

CAS: 4651-81-4 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00159547 InChI Key: DGGJQLCAYQCPDD-UHFFFAOYSA-N Synonym: methyl 2-amino-3-thenoate,methyl 2-amino-3-thiophenecarboxylate,2-amino-3-methoxycarbonylthiophene,methyl2-aminothiophene-3-carboxylate,2-amino-thiophene-3-carboxylic acid methyl ester,3-thiophenecarboxylic acid, 2-amino-, methyl ester,zlchem 402,pubchem5551,maybridge1_003714,2-amino-thiophene-3-carboxylicacidmethylester PubChem CID: 78381 IUPAC Name: methyl 2-aminothiophene-3-carboxylate SMILES: COC(=O)C1=C(N)SC=C1

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PubChem CID	78381
CAS	4651-81-4
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00159547
SMILES	COC(=O)C1=C(N)SC=C1
Synonym	methyl 2-amino-3-thenoate,methyl 2-amino-3-thiophenecarboxylate,2-amino-3-methoxycarbonylthiophene,methyl2-aminothiophene-3-carboxylate,2-amino-thiophene-3-carboxylic acid methyl ester,3-thiophenecarboxylic acid, 2-amino-, methyl ester,zlchem 402,pubchem5551,maybridge1_003714,2-amino-thiophene-3-carboxylicacidmethylester
IUPAC Name	methyl 2-aminothiophene-3-carboxylate
InChI Key	DGGJQLCAYQCPDD-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

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Ethyl 1H-pyrazole-4-carboxylate, 98%

CAS: 37622-90-5 Molecular Formula: C6H8N2O2 Molecular Weight (g/mol): 140.142 MDL Number: MFCD00010844 InChI Key: KACZQOKEFKFNDB-UHFFFAOYSA-N PubChem CID: 142179 IUPAC Name: ethyl 1H-pyrazole-4-carboxylate SMILES: CCOC(=O)C1=CNN=C1

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PubChem CID	142179
CAS	37622-90-5
Molecular Weight (g/mol)	140.142
MDL Number	MFCD00010844
SMILES	CCOC(=O)C1=CNN=C1
IUPAC Name	ethyl 1H-pyrazole-4-carboxylate
InChI Key	KACZQOKEFKFNDB-UHFFFAOYSA-N
Molecular Formula	C6H8N2O2

Ethyl 3,5-dimethyl-1H-4-pyrazolecarboxylate, 97%, Thermo Scientific™

CAS: 35691-93-1 Molecular Formula: C8H12N2O2 Molecular Weight (g/mol): 168.196 MDL Number: MFCD00159638 InChI Key: BCKARVLFIJPHQU-UHFFFAOYSA-N Synonym: ethyl 3,5-dimethyl-1h-4-pyrazolecarboxylate,ethyl 3,5-dimethylpyrazole-4-carboxylate,3,5-dimethylpyrazole-4-carboxylic acid ethyl ester,3,5-dimethyl-1h-pyrazole-4-carboxylic acid ethyl ester,4-pyrazolecarboxylic acid, 3,5-dimethyl-, ethyl ester,3.5. dimethylpyrazol 4-carbonsaeureaethyl ester german,3.5. dimethylpyrazol 4-carbonsaeureaethyl ester,3,5-dimethyl-4-ethoxycarbonyl-1h-pyrazole,1h-pyrazole-4-carboxylic acid, 3,5-dimethyl-, ethyl ester,dee PubChem CID: 215436 IUPAC Name: ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate SMILES: CCOC(=O)C1=C(NN=C1C)C

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PubChem CID	215436
CAS	35691-93-1
Molecular Weight (g/mol)	168.196
MDL Number	MFCD00159638
SMILES	CCOC(=O)C1=C(NN=C1C)C
Synonym	ethyl 3,5-dimethyl-1h-4-pyrazolecarboxylate,ethyl 3,5-dimethylpyrazole-4-carboxylate,3,5-dimethylpyrazole-4-carboxylic acid ethyl ester,3,5-dimethyl-1h-pyrazole-4-carboxylic acid ethyl ester,4-pyrazolecarboxylic acid, 3,5-dimethyl-, ethyl ester,3.5. dimethylpyrazol 4-carbonsaeureaethyl ester german,3.5. dimethylpyrazol 4-carbonsaeureaethyl ester,3,5-dimethyl-4-ethoxycarbonyl-1h-pyrazole,1h-pyrazole-4-carboxylic acid, 3,5-dimethyl-, ethyl ester,dee
IUPAC Name	ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate
InChI Key	BCKARVLFIJPHQU-UHFFFAOYSA-N
Molecular Formula	C8H12N2O2

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Ethyl (ethoxymethylene)cyanoacetate, 98%

CAS: 94-05-3 Molecular Formula: C8H11NO3 Molecular Weight (g/mol): 169.18 MDL Number: MFCD00009136 InChI Key: KTMGNAIGXYODKQ-SREVYHEPSA-N Synonym: ethyl ethoxymethylene cyanoacetate,e-ethyl 2-cyano-3-ethoxyacrylate,ethyl 2-cyano-3-ethoxyacrylate,ethyl 3-ethoxy-2-cyanoacrylate,ethyl 2e-2-cyano-3-ethoxyprop-2-enoate,ethyl cyano ethoxymethylene acetate,2-propenoic acid, 2-cyano-3-ethoxy-, ethyl ester,2-cyano-3-ethoxy-2-propenoic acid ethyl ester,2-cyano-3-ethoxyacrylic acid ethyl ester,ethyl 2e-2-cyano-3-ethoxy-2-propenoate PubChem CID: 1715183 IUPAC Name: ethyl (E)-2-cyano-3-ethoxyprop-2-enoate SMILES: CCO\C=C(\C#N)C(=O)OCC

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PubChem CID	1715183
CAS	94-05-3
Molecular Weight (g/mol)	169.18
MDL Number	MFCD00009136
SMILES	CCO\C=C(\C#N)C(=O)OCC
Synonym	ethyl ethoxymethylene cyanoacetate,e-ethyl 2-cyano-3-ethoxyacrylate,ethyl 2-cyano-3-ethoxyacrylate,ethyl 3-ethoxy-2-cyanoacrylate,ethyl 2e-2-cyano-3-ethoxyprop-2-enoate,ethyl cyano ethoxymethylene acetate,2-propenoic acid, 2-cyano-3-ethoxy-, ethyl ester,2-cyano-3-ethoxy-2-propenoic acid ethyl ester,2-cyano-3-ethoxyacrylic acid ethyl ester,ethyl 2e-2-cyano-3-ethoxy-2-propenoate
IUPAC Name	ethyl (E)-2-cyano-3-ethoxyprop-2-enoate
InChI Key	KTMGNAIGXYODKQ-SREVYHEPSA-N
Molecular Formula	C8H11NO3

3,5-Dimethyl-1H-pyrazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 113808-86-9 Molecular Formula: C6H8N2O2 Molecular Weight (g/mol): 140.142 MDL Number: MFCD00159642 InChI Key: IOOWDXMXZBYKLR-UHFFFAOYSA-N Synonym: 3,5-dimethylpyrazole-4-carboxylic acid,1h-pyrazole-4-carboxylic acid, 3,5-dimethyl,1h-pyrazole-4-carboxylicacid, 3,5-dimethyl,3,5-dimethyl-1h-pyrazole-4-carboxylicacid,acmc-20a7j9,pyrazole carboxylic acid 1,ksc173i7f,3,5-dimethylpyrazole-4-carboxylic,3,5-dimethylpyrazole-4-carboxylicacid,1h-pyrazole-4-carboxylicacid,3,5-dimethyl PubChem CID: 2776164 IUPAC Name: 3,5-dimethyl-1H-pyrazole-4-carboxylic acid SMILES: CC1=C(C(=NN1)C)C(=O)O

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PubChem CID	2776164
CAS	113808-86-9
Molecular Weight (g/mol)	140.142
MDL Number	MFCD00159642
SMILES	CC1=C(C(=NN1)C)C(=O)O
Synonym	3,5-dimethylpyrazole-4-carboxylic acid,1h-pyrazole-4-carboxylic acid, 3,5-dimethyl,1h-pyrazole-4-carboxylicacid, 3,5-dimethyl,3,5-dimethyl-1h-pyrazole-4-carboxylicacid,acmc-20a7j9,pyrazole carboxylic acid 1,ksc173i7f,3,5-dimethylpyrazole-4-carboxylic,3,5-dimethylpyrazole-4-carboxylicacid,1h-pyrazole-4-carboxylicacid,3,5-dimethyl
IUPAC Name	3,5-dimethyl-1H-pyrazole-4-carboxylic acid
InChI Key	IOOWDXMXZBYKLR-UHFFFAOYSA-N
Molecular Formula	C6H8N2O2

Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 96232-71-2 Molecular Formula: C6H4Br2O3S Molecular Weight (g/mol): 315.96 MDL Number: MFCD00052082 InChI Key: YZPNGCXFJCPJSV-XQRVVYSFSA-N Synonym: methyl4,5-dibromo-3-hydroxythiophene-2-carboxylate,4,5-dibromo-3-hydroxythiophene-2-carboxylic acid methyl ester,2z-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,acmc-20akgp,maybridge1_003706,methyl 4,5-dibromo-3-hydroxy-2-thiophenecarboxylate,4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylat,2-thiophenecarboxylicacid,4,5-dibromo-3-hydroxy-,methyl ester,2e-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one PubChem CID: 2777613 IUPAC Name: methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate SMILES: CO\C(O)=C1/SC(Br)=C(Br)C1=O

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PubChem CID	2777613
CAS	96232-71-2
Molecular Weight (g/mol)	315.96
MDL Number	MFCD00052082
SMILES	CO\C(O)=C1/SC(Br)=C(Br)C1=O
Synonym	methyl4,5-dibromo-3-hydroxythiophene-2-carboxylate,4,5-dibromo-3-hydroxythiophene-2-carboxylic acid methyl ester,2z-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,acmc-20akgp,maybridge1_003706,methyl 4,5-dibromo-3-hydroxy-2-thiophenecarboxylate,4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylat,2-thiophenecarboxylicacid,4,5-dibromo-3-hydroxy-,methyl ester,2e-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one
IUPAC Name	methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate
InChI Key	YZPNGCXFJCPJSV-XQRVVYSFSA-N
Molecular Formula	C6H4Br2O3S

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Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate, 97%, Thermo Scientific Chemicals

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PubChem CID	2777613
CAS	96232-71-2
Molecular Weight (g/mol)	315.96
MDL Number	MFCD00052082
SMILES	CO\C(O)=C1/SC(Br)=C(Br)C1=O
Synonym	methyl4,5-dibromo-3-hydroxythiophene-2-carboxylate,4,5-dibromo-3-hydroxythiophene-2-carboxylic acid methyl ester,2z-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,acmc-20akgp,maybridge1_003706,methyl 4,5-dibromo-3-hydroxy-2-thiophenecarboxylate,4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one,methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylat,2-thiophenecarboxylicacid,4,5-dibromo-3-hydroxy-,methyl ester,2e-4,5-dibromo-2-hydroxy methoxy methylidene thiophen-3-one
IUPAC Name	methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate
InChI Key	YZPNGCXFJCPJSV-XQRVVYSFSA-N
Molecular Formula	C6H4Br2O3S

1H-Indole-7-carboxylic acid, 90%, Thermo Scientific™

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7-Deazahypoxanthine, 97%

CAS: 3680-71-5 Molecular Formula: C6H5N3O Molecular Weight (g/mol): 135.13 MDL Number: MFCD08445809 InChI Key: FBMZEITWVNHWJW-UHFFFAOYSA-N Synonym: 7h-pyrrolo 2,3-d pyrimidin-4-ol,pyrrolo 2,3-d pyrimidin-4-ol,7-deazahypoxanthine,3h-pyrrolo 2,3-d pyrimidin-4 7h-one,4-hydroxypyrrolo 2,3-d pyrimidine,4-hydroxypyrrolopyrimidine,1h-pyrrolo 2,3-d pyrimidin-4 7h-one,3,7-dihydro-4h-pyrrolo 2,3-d pyrimidin-4-one,pyrrolo 2,3-d pyrimidin-4-one PubChem CID: 96194 IUPAC Name: 1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one SMILES: O=C1N=CNC2=C1C=CN2

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PubChem CID	96194
CAS	3680-71-5
Molecular Weight (g/mol)	135.13
MDL Number	MFCD08445809
SMILES	O=C1N=CNC2=C1C=CN2
Synonym	7h-pyrrolo 2,3-d pyrimidin-4-ol,pyrrolo 2,3-d pyrimidin-4-ol,7-deazahypoxanthine,3h-pyrrolo 2,3-d pyrimidin-4 7h-one,4-hydroxypyrrolo 2,3-d pyrimidine,4-hydroxypyrrolopyrimidine,1h-pyrrolo 2,3-d pyrimidin-4 7h-one,3,7-dihydro-4h-pyrrolo 2,3-d pyrimidin-4-one,pyrrolo 2,3-d pyrimidin-4-one
IUPAC Name	1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one
InChI Key	FBMZEITWVNHWJW-UHFFFAOYSA-N
Molecular Formula	C6H5N3O

Khellin, MP Biomedicals

CAS: 82-02-0 Molecular Formula: C14H12O5 Molecular Weight (g/mol): 260.245 InChI Key: HSMPDPBYAYSOBC-UHFFFAOYSA-N Synonym: khellin,visammin,amicardine,methafrone,coronin,amikellin,ammipuran,ammivisnagen,benecardin,corafurone PubChem CID: 3828 ChEBI: CHEBI:6133 IUPAC Name: 4,9-dimethoxy-7-methylfuro[3,2-g]chromen-5-one SMILES: CC1=CC(=O)C2=C(C3=C(C(=C2O1)OC)OC=C3)OC

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PubChem CID	3828
CAS	82-02-0
Molecular Weight (g/mol)	260.245
ChEBI	CHEBI:6133
SMILES	CC1=CC(=O)C2=C(C3=C(C(=C2O1)OC)OC=C3)OC
Synonym	khellin,visammin,amicardine,methafrone,coronin,amikellin,ammipuran,ammivisnagen,benecardin,corafurone
IUPAC Name	4,9-dimethoxy-7-methylfuro[3,2-g]chromen-5-one
InChI Key	HSMPDPBYAYSOBC-UHFFFAOYSA-N
Molecular Formula	C14H12O5

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3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99%

CAS: 2892-51-5 MDL Number: MFCD00001334 InChI Key: PWEBUXCTKOWPCW-UHFFFAOYSA-N Synonym: squaric acid,3,4-dihydroxy-3-cyclobutene-1,2-dione,quadratic acid,3-cyclobutene-1,2-dione, 3,4-dihydroxy,quadratsaeure,cyclobutenedione, dihydroxy,1,2-diketo-3,4-dihydroxycyclobutene,dihydroxycyclobutenedione,unii-svr9d0vodw,dihydroxycyclobut-3-ene-1,2-dione PubChem CID: 17913 ChEBI: CHEBI:52141 IUPAC Name: 3,4-dihydroxycyclobut-3-ene-1,2-dione SMILES: C1(=C(C(=O)C1=O)O)O

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PubChem CID	17913
CAS	2892-51-5
ChEBI	CHEBI:52141
MDL Number	MFCD00001334
SMILES	C1(=C(C(=O)C1=O)O)O
Synonym	squaric acid,3,4-dihydroxy-3-cyclobutene-1,2-dione,quadratic acid,3-cyclobutene-1,2-dione, 3,4-dihydroxy,quadratsaeure,cyclobutenedione, dihydroxy,1,2-diketo-3,4-dihydroxycyclobutene,dihydroxycyclobutenedione,unii-svr9d0vodw,dihydroxycyclobut-3-ene-1,2-dione
IUPAC Name	3,4-dihydroxycyclobut-3-ene-1,2-dione
InChI Key	PWEBUXCTKOWPCW-UHFFFAOYSA-N

5-Hydroxy-4H-chromen-4-one, 95%, Thermo Scientific™

CAS: 3952-69-0 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.144 MDL Number: MFCD00100605 InChI Key: CJMXMDVAKVSKFI-UHFFFAOYSA-N Synonym: 5-hydroxy-4h-chromen-4-one,5-hydroxychromone,5-hydroxy-4h-1-benzopyran-4-one,5-hydroxy-chromen-4-one,4h-1-benzopyran-4-one,5-hydroxy PubChem CID: 5479462 IUPAC Name: 5-hydroxychromen-4-one SMILES: C1=CC2=C(C(=O)C=CO2)C(=C1)O

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Specifications

PubChem CID	5479462
CAS	3952-69-0
Molecular Weight (g/mol)	162.144
MDL Number	MFCD00100605
SMILES	C1=CC2=C(C(=O)C=CO2)C(=C1)O
Synonym	5-hydroxy-4h-chromen-4-one,5-hydroxychromone,5-hydroxy-4h-1-benzopyran-4-one,5-hydroxy-chromen-4-one,4h-1-benzopyran-4-one,5-hydroxy
IUPAC Name	5-hydroxychromen-4-one
InChI Key	CJMXMDVAKVSKFI-UHFFFAOYSA-N
Molecular Formula	C9H6O3

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Ethyl (E)-2-cyano-3-ethoxycrotonate, 98%

CAS: 932750-29-3 Molecular Formula: C9H13NO3 Molecular Weight (g/mol): 183.207 MDL Number: MFCD01743485 InChI Key: YKXFOGAYPIPTKF-BQYQJAHWSA-N Synonym: ethyl 2e-2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxycrotonate,ethyl 2-cyano-3-ethoxybut-2-enoate,2-butenoic acid, 2-cyano-3-ethoxy-, ethyl ester,ethyl e-2-cyano-3-ethoxybut-2-enoate,e-ethyl 2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxy-2-butenoate,e-2-cyano-3-ethoxycrotonic acid ethyl ester,e-2-cyano-3-ethoxy-2-butenoic acid ethyl ester PubChem CID: 6387109 IUPAC Name: ethyl (E)-2-cyano-3-ethoxybut-2-enoate SMILES: CCOC(=C(C#N)C(=O)OCC)C

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PubChem CID	6387109
CAS	932750-29-3
Molecular Weight (g/mol)	183.207
MDL Number	MFCD01743485
SMILES	CCOC(=C(C#N)C(=O)OCC)C
Synonym	ethyl 2e-2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxycrotonate,ethyl 2-cyano-3-ethoxybut-2-enoate,2-butenoic acid, 2-cyano-3-ethoxy-, ethyl ester,ethyl e-2-cyano-3-ethoxybut-2-enoate,e-ethyl 2-cyano-3-ethoxybut-2-enoate,ethyl e-2-cyano-3-ethoxy-2-butenoate,e-2-cyano-3-ethoxycrotonic acid ethyl ester,e-2-cyano-3-ethoxy-2-butenoic acid ethyl ester
IUPAC Name	ethyl (E)-2-cyano-3-ethoxybut-2-enoate
InChI Key	YKXFOGAYPIPTKF-BQYQJAHWSA-N
Molecular Formula	C9H13NO3

Vinylogous acids

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