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90809-26-0

1-<(1E,3R)-4-(Benzyloxy)-3-methylbut-1-enyl>piperidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 90809-26-0 Structure

  • Basic information

    1. Product Name: 1-<(1E,3R)-4-(Benzyloxy)-3-methylbut-1-enyl>piperidine
    2. Synonyms:
    3. CAS NO:90809-26-0
    4. Molecular Formula:
    5. Molecular Weight: 259.392
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 90809-26-0.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: 1-<(1E,3R)-4-(Benzyloxy)-3-methylbut-1-enyl>piperidine(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1-<(1E,3R)-4-(Benzyloxy)-3-methylbut-1-enyl>piperidine(90809-26-0)
    11. EPA Substance Registry System: 1-<(1E,3R)-4-(Benzyloxy)-3-methylbut-1-enyl>piperidine(90809-26-0)

  • 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: 90809-26-0(Hazardous Substances Data)

90809-26-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90809-26-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90809-26:
(7*9)+(6*0)+(5*8)+(4*0)+(3*9)+(2*2)+(1*6)=140
140 % 10 = 0
So 90809-26-0 is a valid CAS Registry Number.

90809-26-0Relevant articles and documents

Synthesis of Optically Active Bifunctional Isoprenoid Building Blocks by Rhodium(I)-Catalyzed Asymmetric Allylamine to Enamine Isomerization

Schmid, Rudolf,Hansen, Hans-Juergen

, p. 1258 - 1275 (2007/10/02)

The application of the known asymmetric allylamine to enamine isomerization methodology to bifunctional C5-isoprenoid allylic amines of types IId and IIe (Scheme 1) is described.It is shown that a number of such substrates can be isomerized with enantioselectivities of >90percent ee using cationic RhI complexes containing (6,6'-dimethylbiphenyl-2,2'-diyl)bis(diphenylphosphine) (BIPHEMP; 9) as asymmetry-inducing ligand (Scheme 2, Tables 1 and 2).Synthetically most useful is the isomerization of the benzyloxy derivative 10a into the (E)-enamine 11a.This isomerization proceeds with very high enantioselectivity (98-99percent ee) and affords, after enamine hydrolysis, the optically active 4-(benzyloxy)-3-methylbutanals ((R)- or (S)-12) in chemical yields of ca. 90percent.In conjunction, a short synthetic route to the starting material 10a has been developed which has a Pd-catalyzed amination of isoprene epoxide (30) as the key step.Thus, convenient and practical access to the optically active aldehydes (R)- and (S)-12 is now at hand.These aldehydes are useful optically active bifunctional building blocks for isoprenoid homologation.

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