(Carbethoxyethylidene)triphenylphosphorane

CAS 5717-37-3CH3C[=P(C6H5)3]CO2C2H5Chemical Synthesis

(Carbethoxyethylidene)triphenylphosphorane (CAS 5717-37-3) is an organophosphorus compound with the chemical formula CH3C[=P(C6H5)3]CO2C2H5 and a molecular weight of 362.40 g/mol. This Wittig-type reagent is primarily utilised in organic synthesis for the formation of carbon-carbon double bonds, particularly in olefination reactions. It serves as a valuable building block in the synthesis of various organic molecules, contributing to advancements in chemical research and development.

IUPAC: Ethyl 2-(triphenylphosphoranylidene)propionate
Synonyms: Ethyl 2-(triphenylphosphoranylidene)propionate

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(Carbethoxyethylidene)triphenylphosphorane (CH3C[=P(C6H5)3]CO2C2H5) — chemical structure, CAS 5717-37-3; Chemistry, fine chemical supplied by Tech Serve Solutions

C-C Bond FormationChemical SynthesisOlefinationSynthetic Reagents

01 /Applications

Olefination Reactions

This phosphorane acts as a reagent in Wittig and related olefination reactions, facilitating the conversion of carbonyl compounds into alkenes with specific stereochemical outcomes. Its structure allows for the introduction of an ethylidene moiety.

C-C Bond Formation

It is employed in organic synthesis for the construction of carbon-carbon bonds, a fundamental process in the creation of more complex molecular architectures. This reagent is key in building unsaturated carbon frameworks.

Synthesis of Organic Intermediates

The compound is a versatile intermediate for synthesising a range of organic molecules, including unsaturated esters and other speciality chemicals. Its reactivity makes it useful in multi-step synthetic pathways.

02 /Properties

Molecular weight	362.40
Linear formula	CH3C[=P(C6H5)3]CO2C2H5
Assay	94%
Storage temperature	2-8°C
Melting point	158-162 °C(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5717-37-3

MDL number

MFCD00009160

PubChem substance

24863517

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is (Carbethoxyethylidene)triphenylphosphorane used for?

(Carbethoxyethylidene)triphenylphosphorane is primarily used in organic synthesis for olefination reactions, facilitating the formation of carbon-carbon double bonds and serving as a valuable intermediate in the synthesis of various organic molecules.

What is the CAS number and chemical formula for (Carbethoxyethylidene)triphenylphosphorane?

The CAS number is 5717-37-3, and the chemical formula is CH3C[=P(C6H5)3]CO2C2H5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (Carbethoxyethylidene)triphenylphosphorane with an assay of 94%. We do not represent this product as USP, BP, or EP grade.

How should (Carbethoxyethylidene)triphenylphosphorane be handled and stored?

This compound has a melting point of 158-162 °C and is assigned a WGK Germany rating of 3, indicating it is hazardous. It requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Recommended storage is at 2-8°C.