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CAS

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120040-59-7

(-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 120040-59-7 Structure

  • Basic information

    1. Product Name: (-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan
    2. Synonyms: (-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan
    3. CAS NO:120040-59-7
    4. Molecular Formula:
    5. Molecular Weight: 324.333
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 120040-59-7.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan(CAS DataBase Reference)
    10. NIST Chemistry Reference: (-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan(120040-59-7)
    11. EPA Substance Registry System: (-)-(2R)-2-(Benzyloxy)-2,5-dihydro-4-<3,4-(methylenedioxy)benzoyl>furan(120040-59-7)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 120040-59-7(Hazardous Substances Data)

120040-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120040-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,0,4 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120040-59:
(8*1)+(7*2)+(6*0)+(5*0)+(4*4)+(3*0)+(2*5)+(1*9)=57
57 % 10 = 7
So 120040-59-7 is a valid CAS Registry Number.

120040-59-7Relevant articles and documents

General Conjugate-Addition Method for the Synthesis of Enantiomerically Pure Lignans. Total Synthesis of (-)- and (+)-Burseran, (-)-Dehydroxycubebin, (-)-Trichostin, (-)-Cubebin, (-)-5''-Methoxyhinokinin, and (-)-Hinokinin

Rehnberg, Nicola,Magnusson, Goeran

, p. 4340 - 4349 (2007/10/02)

Conjugate addition of benzylic diphenyldithioacetal anions to enantiomerically pure (-)-(2R)-and (+)-(2S)-(benzyloxy)-2,5-dihydro-4-furan (2 r and 2 s) gave complete lignan skeletons of the dibenzylbutane class.Desulfurization followed by hydrogenolysis and, when appropriate, oxidation gave the title enantiomerically pure > 99 percent ee) lignans 45 - 50 in 24 - 35 percent overall yields from 2 r and 2 s.

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