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Methyl (triphenylphosphoranylidene)acetate_Molecular_structure_CAS_2605-67-6)
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Methyl (triphenylphosphoranylidene)acetate

Catalog No. 157929 Name Sigma Aldrich
CAS Number 2605-67-6 Website http://www.sigmaaldrich.com
M. F. C21H19O2P Telephone 1-800-521-8956
M. W. 334.348121 Fax
Purity 98% Email
Storage Chembase ID: 67362

SYNONYMS

Title
甲氧甲酰基亚甲基三苯基膦
IUPAC name
methyl 2-(triphenyl-λ5-phosphanylidene)acetate
IUPAC Traditional name
methyl 2-(triphenyl-λ5-phosphanylidene)acetate
Synonyms
(Carbomethoxymethylene)triphenylphosphorane
甲氧羰基亚甲基三苯基正磷
(三苯基膦烯)乙酸甲酯
(Methoxycarbonylmethylene)triphenylphosphorane

DATABASE IDS

PubChem SID 24849709
MDL Number MFCD00008455
Beilstein Number 618430
EC Number 220-018-4
CAS Number 2605-67-6

PROPERTIES

Linear Formula (C6H5)3P=CHCO2CH3
Purity 98%
Melting Point 168-172 °C(lit.)
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class 3

DETAILS

Description (English)
Application
Wittig reagent for the two-carbon homologation of aldehydes to α,β-unsaturated esters.1 Also used in an efficient synthesis of pyrazoles via reaction with methyl diazoacetate in the presence of triethylamine.2
Packaging
25, 100 g in poly bottle
5 g in glass bottle
Description (简体中文)
Application
Wittig 试剂,用于醛的二碳同素化反应生成 α,β-不饱和酯。1在三乙胺存在的条件下,也可用于与重氮基乙酸甲酯反应高效合成吡唑。2
包装
25, 100 g in poly bottle
5 g in glass bottle

REFERENCES