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138079-58-0

(R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is a chiral organophosphorus compound with the molecular formula C21H23O1P. It is a phosphorane, characterized by a central phosphorus atom bonded to three phenyl groups and a hydroxyl functional group. (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol also features two methyl groups attached to the carbon atom adjacent to the hydroxyl group. The (R)-enantiomer is specified in its name, indicating its specific spatial arrangement. (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is utilized in various applications due to its unique structure and reactivity.

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  • 2-Butanol, 2,3-dimethyl-4-(triphenylphosphoranylidene)-, (R)-

    Cas No: 138079-58-0

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  • 138079-58-0 Structure

  • Basic information

    1. Product Name: (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol
    2. Synonyms: (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol;(R)-4-(iodotriphenylphosphoranyl)-2,3-dimethylbutan-2-ol;(R)-2,3-Dimethyl-4-(triphenyl-λ5-phosphanylidene)-butan-2-ol
    3. CAS NO:138079-58-0
    4. Molecular Formula: C24H27OP
    5. Molecular Weight: 362.444341
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 138079-58-0.mol
    9. Article Data: 1

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.10
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol(CAS DataBase Reference)
    10. NIST Chemistry Reference: (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol(138079-58-0)
    11. EPA Substance Registry System: (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol(138079-58-0)

  • 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: 138079-58-0(Hazardous Substances Data)

138079-58-0 Usage

Uses

Used in Organic Synthesis:
(R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is used as a reagent in organic synthesis for the formation of carbon-carbon and carbon-heteroatom bonds. Its phosphorane nature allows it to act as a versatile intermediate in the creation of complex organic molecules.
Used in Asymmetric Synthesis:
In the field of asymmetric synthesis, (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is employed as a chiral building block. Its specific (R)-enantiomer form is crucial for the synthesis of enantioselective compounds, which are essential in pharmaceuticals and agrochemicals to ensure desired biological activity and minimize side effects.
Used as a Ligand in Catalytic Reactions:
(R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol also serves as a ligand in catalytic reactions. Its ability to form stable complexes with metal centers makes it a valuable component in homogeneous catalysis, enhancing the selectivity and efficiency of various chemical transformations.
Used in Pharmaceutical Industry:
In the pharmaceutical industry, (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is used as a key intermediate in the synthesis of chiral drugs. Its unique structure and reactivity enable the development of novel therapeutic agents with improved efficacy and selectivity.
Used in Agrochemical Industry:
Similarly, in the agrochemical industry, (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol is utilized as a precursor for the synthesis of chiral pesticides and herbicides. Its applications contribute to the development of more effective and environmentally friendly agrochemicals.

Check Digit Verification of cas no

The CAS Registry Mumber 138079-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,7 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138079-58:
(8*1)+(7*3)+(6*8)+(5*0)+(4*7)+(3*9)+(2*5)+(1*8)=150
150 % 10 = 0
So 138079-58-0 is a valid CAS Registry Number.

138079-58-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (R)-2,3-Dimethyl-4-(triphenyl-λ5-phosphanylidene)-butan-2-ol

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:138079-58-0 SDS

138079-58-0Relevant articles and documents

Phosphorus ylide chemistry investigated for dihydrotachysterol2 metabolite side-chain synthesis: The Wittig approach

Hanekamp,Rookhuizen Boer,Bos,Brandsma

, p. 5151 - 5162 (2007/10/02)

The behaviour of the γ-oxido ylide of R-(3-hydroxy-2,3-dimethylbutyl)triphenylphosphonium iodide 4, to be used in the 25-hydroxylated DHT2 side-chain synthesis, was studied. The synthesis of the chiral phosponium salt 4 was done in an overall y

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