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Merck
CN

157929

Methyl (triphenylphosphoranylidene)acetate

98%

Synonym(s):

(Carbomethoxymethylene)triphenylphosphorane, (Methoxycarbonylmethylene)triphenylphosphorane

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About This Item

Linear Formula:
(C6H5)3P=CHCO2CH3
CAS Number:
2605-67-6
Molecular Weight:
334.35
Beilstein/REAXYS Number:
618430
MDL number:
MFCD00008455
UNSPSC Code:
12352108
NACRES:
NA.22
PubChem Substance ID:
24849709
EC Number:
220-018-4

Key Documents

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Product Name

Methyl (triphenylphosphoranylidene)acetate, 98%

InChI key

NTNUDYROPUKXNA-UHFFFAOYSA-N

InChI

1S/C21H19O2P/c1-23-21(22)17-24(18-11-5-2-6-12-18,19-13-7-3-8-14-19)20-15-9-4-10-16-20/h2-17H,1H3

SMILES string

COC(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3

assay

98%

form

powder

reaction suitability

reaction type: C-C Bond Formation

mp

168-172 °C (lit.)

functional group

ester
phosphine

Quality Level

200

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Application

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.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX9454
MKCX7657
MKCX6042
MKCV1542
MKCR6175

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Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

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Tetrahedron, 63, 1074-1074 (2007)
Tetrahedron Letters, 48, 883-883 (2007)

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