Methyl (triphenylphosphoranylidene)acetate

ChemicalBook > CAS DataBase List > Methyl (triphenylphosphoranylidene)acetate

Methyl (triphenylphosphoranylidene)acetate

Product Name: Methyl (triphenylphosphoranylidene)acetate
CAS No.: 2605-67-6
Chemical Name: Methyl (triphenylphosphoranylidene)acetate
Synonyms: (METHOXYCARBONYLMETHYLENE)TRIPHENYLPHOSPHORANE;CMETPP;NSC 117573;NSC 407395;AURORA KA-874;idene)acetate;methyl 2-(triphenyl-;Aceticacid,(triphenylphosphoranylidene;Methyl (triphenylphosphoranylidene)acet;METHYL (TRIPHENYLPHOSPHORANYLIDENE)ACETATE
CBNumber: CB3248865
Molecular Formula: C21H19O2P
Formula Weight: 334.35
MOL File: 2605-67-6.mol

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Methyl (triphenylphosphoranylidene)acetate Property

Melting point:: 168-172 °C (lit.)
Boiling point:: 165～170℃
Density: 1.17±0.1 g/cm3(Predicted)
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
solubility: Acetonitrile (Slightly), Chloroform (Slightly)
form: Powder
color: White to off-white
Water Solubility: insoluble
Sensitive: Air Sensitive
BRN: 618430
InChIKey: NTNUDYROPUKXNA-UHFFFAOYSA-N
CAS DataBase Reference: 2605-67-6(CAS DataBase Reference)
EPA Substance Registry System: Acetic acid, (triphenylphosphoranylidene)-, methyl ester (2605-67-6)

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Safety

Hazard Codes: T,Xi
Risk Statements: 36/37/38-25
Safety Statements: 22-24/25-36-26
WGK Germany: 3
Hazard Note: Irritant
TSCA: Yes
HS Code: 29319090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 157929
Product name: Methyl (triphenylphosphoranylidene)acetate
Purity: 98%
Packaging: 25g
Price: $121
Updated: 2024/03/01

Sigma-Aldrich

Product number: 157929
Product name: Methyl (triphenylphosphoranylidene)acetate
Purity: 98%
Packaging: 100g
Price: $240
Updated: 2024/03/01

TCI Chemical

Product number: T1363
Product name: Methyl (Triphenylphosphoranylidene)acetate
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $72
Updated: 2024/03/01

TCI Chemical

Product number: T1363
Product name: Methyl (Triphenylphosphoranylidene)acetate
Purity: >98.0%(HPLC)(T)
Packaging: 100g
Price: $240
Updated: 2024/03/01

Alfa Aesar

Product number: A14020
Product name: (Methoxycarbonylmethylene)triphenylphosphorane, 98%
Packaging: 25g
Price: $103
Updated: 2024/03/01

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Methyl (triphenylphosphoranylidene)acetate Chemical Properties,Usage,Production

Chemical Properties

white to off-white powder

Uses

(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Further, it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates. It is used in the preparation of (triphenylphosphoranylidene)-ketene.

Uses

Wittig reagent for the two-carbon homologation of aldehydes to α,β-unsaturated esters. Also used in an efficient synthesis of pyrazoles via reaction with methyl diazoacetate in the presence of triethylamine.

Uses

(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Wittig reagent for the two-carbon homologation of aldehydes to α,β-unsaturated esters. it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates.
used in an efficient synthesis of pyrazoles via reaction with methyl diazoacetate in the presence of triethylamine.
It is used in the preparation of (triphenylphosphoranylidene)-ketene.
The Wittig reaction we performed in class involved the reaction of 2-nitrobenzaldehyde (1) with methyl (triphenylphosphoranylidene) acetate (2) to produce methyl (2E)-3-(2-nitrophenyl) acrylate (3) with a triphenylphosphine oxide (4) side product, and took place in a silica gel matrix to ensure even product dispersion for chromatography.

Purification Methods

Crystallise it by dissolving in it AcOH and adding pet ether (b 40-50o) to give colourless plates. UV max (A 1mm ): 222nm (865) and 268nm (116) [Isler et al. Helv Chim Acta 40 1242 1957]. [Beilstein 16 IV 977.]

Methyl (triphenylphosphoranylidene)acetate Preparation Products And Raw materials

Raw materials

Preparation Products

methyl 2-(7-hydroxybenzofuran-3-yl)acetate

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View Lastest Price from Methyl (triphenylphosphoranylidene)acetate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Methyl (triphenylphosphoranylidene)acetate 2605-67-6
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-02-23

Hebei Weibang Biotechnology Co., Ltd

Product: Methyl (triphenylphosphoranylidene)acetate 2605-67-6
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2024-11-18

Shaanxi Dideu Medichem Co. Ltd

Product: Methyl (triphenylphosphoranylidene)acetate 2605-67-6
Price: US $1.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 Tons
Release date: 2020-01-14

2605-67-6, Methyl (triphenylphosphoranylidene)acetateRelated Search:

Cellulose acetate Ammonium acetate N,N-Dimethylformamide Magnesium acetate Vinyl acetate Triphenylphosphine Sodium acetate Benzyl acetate Tris(triphenylphosphine)rhodiu Butyl acetate Methyl acetate Ethyl acetate (Carbomethoxymethyl)triphenylphosphonium bromide (Z)-2-Methoxyimino-2-(furyl-2-yl) acetic acid ammonium salt DIMETHYL METHOXYMETHYLENEMALONATE isopropyl 2-Methoxyacetate Methyl ACETATE

(TRIPHENYLPHOSPHORANYLIDENE)ACETIC ACID METHYL ESTER

AURORA KA-874

(CARBOMETHOXYMETHYLENE)TRIPHENYLPHOSPHORANE

(METHOXYCARBONYLMETHYLENE)TRIPHENYLPHOSPHORANE

METHYL (TRIPHENYLPHOSPHORANYLIDENE)ACETATE

(2-METHOXY-2-OXOETHYLIDENE)TRIPHENYLPHOSPHORANE

ACETIC ACID, (TRIPHENYLPHOSPHORANYLIDENE)-, METHYL ESTER

Triphenylphosphinideneacetic acid methyl ester

Triphenylphosphoranylideneacetic acid methyl

(Carbomethoxyethylene)triphenylphosphorane

Methyl (triphenylphosphoranylidene)acetate,98%

Methyl (triphenylphosphoranylidene)acetate, 98% 25GR

Methoxycarbonylmethylene-triphenylphosphorane for synthesis

Acetic acid, 2-(triphenylphosphoranylidene)-, Methyl ester

NSC 117573

NSC 407395

(Carbomethoxymethylene)triphenylphosphorane (Methoxycarbonylmethylene)triphenylphosphorane (Triphenylphosphoranylidene)acetic Acid Methyl Ester

(Triphenyl-laMbda*5*-phosphanylidene)-acetic acid Methyl ester

Methyl 2-(triphenyl-$l^{5}-phosphanylidene)acetate

[(Methoxycarbonyl)methylene]triphenylphosphorane, (2-Methoxy-2-oxoethylidene)triphenylphosphorane

Methyl (triphenylphosphoranylidene)acet

Methyl (triphenylphosphoranylidene)acetateMethyl (triphenylphosphoranylidene)acetate

(triphenylphosphoranylidene)-aceticacimethylester

(Carbomethoxymethylene)triphenylphosphorane~Methyl (triphenylphosphoranylidene)acetate

carbmethoxy Methylene triphenyl Phosphorane

Methyl (triphenylphosphoranylidene)acetate 98%

Aceticacid,(triphenylphosphoranylidene

CMETPP

(Carbomethoxymethylene)triphenylphosphorane, (Methoxycarbonylmethylene)triphenylphosphorane

[(Methoxycarbonyl)methylene]triphenylphosphorane, 98 %

Methyl 2-tri(phenyl)phosphoranylideneacetate

2-(Triphenylphosphinidene)acetic acid methyl ester

Triphenyl(2-oxo-2-methoxyethylidene)phosphorane

methyl 2-(triphenyl-λ<sup>5</sup>-phosphanylidene)acetate

methyl 2-(triphenyl-λ^{5}-phosphanylidene)acetate

idene)acetate

Methoxyformylmethylene triphenyl phosphine

TIANFU-CHEM--Methyl (triphenylphosphoranylidene)acetate

methyl 2-(triphenyl-

methyl (E)-2-(penta-1,3-dien-3-yldiphenyl-l5-phosphanylidene)acetate

Methyl (triphenylphosphoranylidene)acetate?New

methyl 2-(triphenyl-λ-phosphanylidene)acetate

2605-67-6

605-67-6

CH3O2CCHPC6H53

C21H19O2P

C6H53PCHCO2CH3

C6H53PCHCOOCH3

Wittig Reaction

Wittig & Horner-Emmons Reaction

C-C Bond Formation

Olefination

Synthetic Reagents

Wittig Reagents

Synthetic Organic Chemistry

Wittig & Horner-Emmons Reaction

Wittig Reaction