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Carbomethoxymethylenetriphenylphosphorane

CAS: 2605-67-6 | C21H19O2P

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 2605-67-6
Molecular Formula: C21H19O2P
Molecular Mass: 334.36 g/mol

Names and Synonyms:

Carbomethoxymethylenetriphenylphosphorane
Acetic acid, 2-(triphenylphosphoranylidene)-, methyl ester
Acetic acid, (triphenylphosphoranylidene)-, methyl ester
(Carbomethoxymethylene)triphenylphosphorane
Triphenyl(carbomethoxymethylene)phosphorane
[(Methoxycarbonyl)methylene]triphenylphosphorane
(Triphenylphosphoranylidene)acetic acid methyl ester
Methyl (triphenylphosphoranylidene)ethanoate
Methyl (triphenylphosphoranylidene)acetate
(Carbomethoxymethylene)triphenylphosphine
(Triphenylphosphoranylidene) methyl acetate
(2-Methoxy-2-oxoethylidene)triphenylphosphorane
Methyl triphenylphosphorylideneacetate
NSC 117573
NSC 407395
Methyl 2-(triphenylphosphoranylidene)acetate
(Carbomethoxymethylidene)triphenylphosphorane
Methyl triphenylphosphonoacetate
2-(Triphenylphosphoranylidene)acetic acid methyl ester
Methyl triphenylphosphoranylideneacetate
Methyl 2-(triphenyl-λ5-phosphaneylidene)acetate
Methyl (triphenylphosphoranyl)acetate
Methyl triphenylphosphanylideneacetate

Identifiers:

SMILES:
COC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1
InChI:
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

Key Properties

Melting Point
164 °C @ Solvent: Ethyl acetate CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 334.36 g/mol CAS Common Chemistry
334.3550000000001 g/mol RDKit
334.11226647800004 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Carbomethoxymethylenetriphenylphosphorane CAS Common Chemistry
Canonical SMILES O=C(OC)C=P(C=1C=CC=CC1)(C=2C=CC=CC2)C=3C=CC=CC3 CAS Common Chemistry
InChI 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 CAS Common Chemistry
InChI Key InChIKey=NTNUDYROPUKXNA-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 164 °C @ Solvent: Ethyl acetate CAS Common Chemistry
Name Methyl (triphenylphosphoranylidene)acetate CAS Common Chemistry
Carbomethoxymethylenetriphenylphosphorane CAS Common Chemistry
Heavy Atom Count 24 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 4 RDKit
Aromatic Ring Count 3 RDKit
Topological Polar Surface Area 26.3 Ų RDKit
LogP 2.955700000000001 RDKit
Molar Refractivity 103.22800000000002 RDKit

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