Alpha-branched alpha,beta-unsaturated ketones

Description:

Alpha,beta-unsaturated ketones that carry a branch on the alpha carbon. They have the generic structure RC(=O)C(R')=C, R = organyl group and R'= any heteroatom.

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  1. 2-Methyl-1-penten-3-one
    CAS: 25044-01-3 Formula: C6H10O Molecular Weight: 98.143
    Out of Stock Item #: M769315
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    Technical Identifiers
    SMILES
    CCC(=O)C(=C)C
    InChIKey
    GHHGVSCQWPVENX-UHFFFAOYSA-N
    InChI
    1S/C6H10O/c1-4-6(7)5(2)3/h2,4H2,1,3H3
  2. (S)-tert-Butyl (2,6-dimethyl-3-oxohept-1-en-4-yl)carbamate
    CAS: 247068-81-1 PubChem CID: 57661775 Formula: C14H25NO3 Molecular Weight: 255.35
    Out of Stock Item #: T734241
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    Technical Identifiers
    IUPAC Name
    tert-butyl N-[(4S)-2,6-dimethyl-3-oxohept-1-en-4-yl]carbamate
    SMILES
    CC(C)CC(C(=O)C(=C)C)NC(=O)OC(C)(C)C
    InChIKey
    BRMIWZWAGRRHEN-NSHDSACASA-N
    InChI
    1S/C14H25NO3/c1-9(2)8-11(12(16)10(3)4)15-13(17)18-14(5,6)7/h9,11H,3,8H2,1-2,4-7H3,(H,15,17)/t11-/m0/s1
  3. 3-Ethoxymethylene-2,4-pentanedione
    CAS: 33884-41-2 EC Number: 119-496-6 PubChem CID: 240418 Formula: C8H12O3 Molecular Weight: 156.18
    Liquid ≥97%
    Out of Stock Item #: E696714
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    Technical Identifiers
    IUPAC Name
    3-(ethoxymethylidene)pentane-2,4-dione
    SMILES
    CCOC=C(C(=O)C)C(=O)C
    InChIKey
    ITTXGKOHFZJUEX-UHFFFAOYSA-N
    InChI
    1S/C8H12O3/c1-4-11-5-8(6(2)9)7(3)10/h5H,4H2,1-3H3
  4. 3-Methyl-3-penten-2-one
    CAS: 565-62-8 Formula: C6H10O Molecular Weight: 98.15
    In Stock Item #: M401547
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    Technical Identifiers
    IUPAC Name
    3-methylpent-3-en-2-one
    SMILES
    CC=C(C)C(=O)C
    InChIKey
    ZAMCMCQRTZKGDX-UHFFFAOYSA-N
    InChI
    1S/C6H10O/c1-4-5(2)6(3)7/h4H,1-3H3
    Synonyms
    EC 209-283-7 | 3-Methyl-2-penten-4-one | 3-Methyl-3-penten-2-one | 3-Penten-2-one, 3-methyl- | NSC 75836 | 3-Methyl-3...
  5. Ethyl diazoacetoacetate
    CAS: 2009-97-4 Formula: C6H8N2O3 Molecular Weight: 156.14
    In Stock Item #: E340414
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    Technical Identifiers
    IUPAC Name
    ethyl 2-diazo-3-oxobutanoate
    SMILES
    CCOC(=O)C(=[N+]=[N-])C(=O)C
    InChIKey
    JWTPSIXYXYNAOU-UHFFFAOYSA-N
    InChI
    1S/C6H8N2O3/c1-3-11-6(10)5(8-7)4(2)9/h3H2,1-2H3
    Synonyms
    MFCD09039264 | AKOS015894398 | AS-75565 | EN300-56469 | Butanoic acid, 2-diazo-3-oxo-, ethyl ester | ethyl 2-diazo-3-...
  6. Isopropenyl methyl ketone
    CAS: 814-78-8 EC Number: 212-405-1 Formula: C5H8O Molecular Weight: 84.12
    Liquid ≥95% contains HQ as stabilizer
    In Stock Item #: I107938
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    Technical Identifiers
    IUPAC Name
    3-methylbut-3-en-2-one
    SMILES
    CC(=C)C(=O)C
    InChIKey
    ZGHFDIIVVIFNPS-UHFFFAOYSA-N
    InChI
    1S/C5H8O/c1-4(2)5(3)6/h1H2,2-3H3
    Synonyms
    3- Methyl-3- butene-2- one (methyl isopropenyl ketone) | 3-BUTEN,2-ONE,3-METHYL METHYL,ISOPROPENYL,KETONE | Methyl is...
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