C5106
(Carbethoxymethylene)triphenylphosphorane
95%
Synonym(s):
(Ethoxycarbonylmethylene)triphenylphosphorane, Ethyl (triphenylphosphoranylidene)acetate
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About This Item
Linear Formula:
(C6H5)3P=CHCO2CH2CH3
CAS Number:
Molecular Weight:
348.37
Beilstein/REAXYS Number:
754639
EC Number:
MDL number:
UNSPSC Code:
12352108
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
assay
95%
form
crystals
reaction suitability
reaction type: C-C Bond Formation
mp
128-130 °C (lit.)
storage temp.
2-8°C
SMILES string
CCOC(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3
InChI
1S/C22H21O2P/c1-2-24-22(23)18-25(19-12-6-3-7-13-19,20-14-8-4-9-15-20)21-16-10-5-11-17-21/h3-18H,2H2,1H3
InChI key
IIHPVYJPDKJYOU-UHFFFAOYSA-N
Application
(Carbethoxymethylene)triphenylphosphorane is a Horner-Wittig reagent generally used in Horner−Wadsworth−Emmons (HWE) reaction. It is used as a reagent in the total synthesis of compounds such as (−)-oseltamivir, (+)-nakadomarin A and (−)-dictyostatin.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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