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725230-54-6

(E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile

    Cas No: 725230-54-6

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  • (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile

    Cas No: 725230-54-6

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  • 725230-54-6 Structure

  • Basic information

    1. Product Name: (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile
    2. Synonyms: (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile
    3. CAS NO:725230-54-6
    4. Molecular Formula:
    5. Molecular Weight: 796.291
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 725230-54-6.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: (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile(CAS DataBase Reference)
    10. NIST Chemistry Reference: (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile(725230-54-6)
    11. EPA Substance Registry System: (E)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-4-(2-methoxy-3-methyl-5-triisopropylsilanyloxy-phenyl)-2-methyl-but-2-enyl]-4-methyl-7-((R)-6,8,8-trimethyl-1,4,7-trioxa-spiro[4.5]dec-9-en-6-yl)-hept-3-enenitrile(725230-54-6)

  • 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: 725230-54-6(Hazardous Substances Data)

725230-54-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 725230-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,2,3 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 725230-54:
(8*7)+(7*2)+(6*5)+(5*2)+(4*3)+(3*0)+(2*5)+(1*4)=136
136 % 10 = 6
So 725230-54-6 is a valid CAS Registry Number.

725230-54-6Downstream Products

725230-54-6Relevant articles and documents

Enantioselective synthesis of the originally proposed usneoidone structure: Evidence for a structural revision

Danet, Michele,Normand-Bayle, Marie,Mahuteau, Jacqueline,D'Angelo, Jean,Morgant, Georges,Desmaele, Didier

, p. 1911 - 1922 (2007/10/03)

The enantioselective synthesis of the initially proposed structure of usneoidone has been completed according to a convergent strategy in which the key steps were an enantioselective Michael addition involving chiral imines to set up the C12 quaternary center, and the final assembly of the chiral pyran moiety with the aromatic subunit through a cyanohydrin anion alkylation step. The obtained product displays spectroscopic data that significantly differ from the reported values. A putative revised structure in which the pyran ring is opened is proposed for usneoidones. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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