Methyltriphenylphosphonium methylcarbonate

Name: Methyltriphenylphosphonium methylcarbonate
Brand: ALDRICH

别名:

Perosa-Selva-Noè Vinylation Reagent

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关于此项目

经验公式（希尔记法）:

C₂₁H₂₁O₃P

化学文摘社编号:

1067966-63-5

分子量:

352.36

MDL number:

MFCD29924461

UNSPSC Code:

12352108

PubChem Substance ID:

329769168

NACRES:

NA.22

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SMILES string

C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[O-]C(OC)=O

InChI

1S/C19H18P.C2H4O3/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;1-5-2(3)4/h2-16H,1H3;1H3,(H,3,4)/q+1;/p-1

InChI key

FALLFMKOBMQQNQ-UHFFFAOYSA-M

form

powder

reaction suitability

reaction type: C-C Bond Formation

mp

146-151 °C

functional group

phosphine

storage temp.

2-8°C

Quality Level

100

Application

[Ph₃PCH₃][CH₃OCO₂] is a latent ylide that promotes Wittig vinylation of aldehydes and ketones. Alkenes are obtained simply by mixing [Ph₃PCH₃][CH₃OCO₂] and the carbonyl and heating in a solvent (no base, no halides, and no inorganic byproducts needed).

General description

Methyltriphenylphosphonium methylcarbonate, also known as Perosa-Selva-Noè vinylation reagent, is a green reagent for performing halide and base-free Wittig reaction. It can be prepared by reacting triphenylphosphine with dimethylcarbonate.