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T61301

Sigma-Aldrich

Triethyl phosphonoacetate

98%

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Synonym(s):
(Diethoxyphosphinyl)acetic acid ethyl ester, Diethyl ethoxycarbonylmethylphosphonate, NSC 13898, NSC 16128, Triethyl carboxymethylphosphonate
Linear Formula:
(C2H5O)2P(O)CH2CO2C2H5
CAS Number:
867-13-0
Molecular Weight:
224.19
Beilstein/REAXYS Number:
1343714
EC Number:
212-757-6
MDL number:
MFCD00009177
UNSPSC Code:
12352108
PubChem Substance ID:
24900348
NACRES:
NA.22

Quality Level

200

assay

98%

reaction suitability

reaction type: C-C Bond Formation

refractive index

n20/D 1.431 (lit.)

bp

142-145 °C/9 mmHg (lit.)

density

1.13 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)CP(=O)(OCC)OCC

InChI

1S/C8H17O5P/c1-4-11-8(9)7-14(10,12-5-2)13-6-3/h4-7H2,1-3H3

InChI key

GGUBFICZYGKNTD-UHFFFAOYSA-N

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Application

Reactant involved in:
  • Horner-Wadsworth-Emmons reactions
  • Intramolecular Heck-type cyclization and isomerizations
  • Tsuji-Trost type reactions
  • Intramolecular aryne-ene reactions
  • Synthesis of aldehydes
Horner-Emmons-Wadsworth reagent recently used in the synthesis of chiral 2-methylcyclopropanecarboxylic acid from (S)-propylene oxide.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

wgk_germany

WGK 2

flash_point_f

closed cup

flash_point_c

closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificates of Analysis (COA)

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4,5-Dihydro-3(2H)-thiophenone 98%

Sigma-Aldrich

264784

4,5-Dihydro-3(2H)-thiophenone

Organic Process Research & Development, 11, 689-689 (2007)
M Rodriguez et al.
International journal of peptide and protein research, 39(3), 273-277 (1992-03-01)
Racemic "carba" pseudo-dipeptide units such as Gly-psi(CH2-CH2)-D,L-Xaa were obtained either through the Horner-Emmons condensation of N-tert.-butyloxycarbonyl-beta alaninal with the appropriate substituted triethyl phosphonacetate, or from commercially available 3-carbethoxy-2-piperidone.

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