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1474-32-4

2,4-Pentanedione, 3-(triphenylphosphoranylidene)is a chemical compound with the molecular formula C18H15O. It is a yellow crystalline solid that is commonly used as a reagent in organic synthesis. 2,4-Pentanedione, 3-(triphenylphosphoranylidene)is a derivative of 2,4-pentanedione, which is a diketone with a strong caramel-like odor. The addition of the triphenylphosphoranylidene group to 2,4-pentanedione enhances its reactivity and modifies its physical properties, making it a versatile component in various chemical reactions.

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  • 1474-32-4 Structure

  • Basic information

    1. Product Name: 2,4-Pentanedione, 3-(triphenylphosphoranylidene)-
    2. Synonyms:
    3. CAS NO:1474-32-4
    4. Molecular Formula: C23H21O2P
    5. Molecular Weight: 360.392
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1474-32-4.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: 2,4-Pentanedione, 3-(triphenylphosphoranylidene)-(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2,4-Pentanedione, 3-(triphenylphosphoranylidene)-(1474-32-4)
    11. EPA Substance Registry System: 2,4-Pentanedione, 3-(triphenylphosphoranylidene)-(1474-32-4)

  • 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: 1474-32-4(Hazardous Substances Data)

1474-32-4 Usage

Uses

Used in Pharmaceutical Production:
2,4-Pentanedione, 3-(triphenylphosphoranylidene)is used as a reagent in the synthesis of pharmaceuticals for its ability to participate in a range of organic reactions, contributing to the development of new medicinal compounds.
Used in Organic Synthesis Research and Development:
In the field of organic synthesis, 2,4-Pentanedione, 3-(triphenylphosphoranylidene)is utilized as a key intermediate in the research and development of novel organic compounds. Its unique properties allow it to be a valuable asset in creating new chemical entities with potential applications across various industries.

Check Digit Verification of cas no

The CAS Registry Mumber 1474-32-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1474-32:
(6*1)+(5*4)+(4*7)+(3*4)+(2*3)+(1*2)=74
74 % 10 = 4
So 1474-32-4 is a valid CAS Registry Number.

1474-32-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-(triphenyl-λ<sup>5</sup>-phosphanylidene)pentane-2,4-dione

1.2 Other means of identification

Product number -
Other names 3-triphenylphosphoranylidene-2,4-pentanedione

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:1474-32-4 SDS

1474-32-4Relevant articles and documents

Formation of indole nucleus via intramolecular cyclization of aminophenylpropenyltriphenylphosphonium salts with one-carbon degradation

Taira, Shin'Ichi,Danjo, Hiroshi,Imamoto, Tsuneo

, p. 8893 - 8896 (2007/10/03)

Treatment of 3-(2-aminophenyl)-2-propenyltriphenylphosphonium bromide with acid anhydride and tertiary amine affords 1,3-diacylindoles in yields ranging from 22 to 64%. A plausible mechanism of this new cyclization reaction is described.

Reaction of Triphenylphosphine Radical Cation with 1,3-Dicarbonyl Compounds: Electrochemical One-Step Preparation of Dioxomethylenetriphenylphosphoranes

Ohmori, Hidenobu,Maeda, Hatsuo,Tamaoka, Mie,Masui, Masaichiro

, p. 613 - 620 (2007/10/02)

Electrochemical oxidation of Ph3P (1) in MeCN in the presence of 1,3-dicarbonyl compounds, R1COCH2COR2 (3), with HClO4 as the supporting electrolyte resulted in the formation of the phosphonium salts, Ph3P+ -CH(COR1)COR2 ClO4- (4), provided that R1 and/or R2 is a phenyl group.On the other hand, electrolysis in CH2Cl2 with 2,6-lutidinium perchlorate gave the phosphoranes, Ph3P=C(COR1)COR2 (5), directly from 1 and 3 in fair to excellent yields: in this case, R1 or R2 need not necessarily be a phenyl group.Thus, the electrolysis is shown to be a convenient method to prepare 5 in a single step.Plausible processes for the formation of 4 and 5 are proposed, involving the reaction of electrochemically generated Ph3P+. with the enol form of 3 as the keystep.Keywords - triphenylphosphine; 1,3-dicarbonyl compound; dioxomethyltriphenylphosphonium perchlorate; dioxomethylenetriphenylphosphorane; electrochemical oxidation; constant current electrolysis

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