Diethyl (trichloromethyl)phosphonate
- CAS NO.:866-23-9
- Empirical Formula: C5H10Cl3O3P
- Molecular Weight: 255.46
- MDL number: MFCD00013666
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is Diethyl (trichloromethyl)phosphonate?
Chemical properties
Colorless to Almost colorless clear liquid.
The Uses of Diethyl (trichloromethyl)phosphonate
Diethyl (trichloromethyl)phosphonate may be used in the synthesis of chlorovinyl phosphonates via reaction with aldehydes and ketones.
What are the applications of Application
Diethyl (trichloromethyl)phosphonate is used in the synthesis of chlorovinyl phosphonates via reaction with aldehydes and ketones
Preparation
Diethyl trichloromethylphosphonate was also obtained from diethyltrimethylsilyl phosphite in 60 % yield, and from benzyldiethyl phosphite in the presence of dibenzoyl peroxide and an ultraviolet source in a radical induced reaction in 87 % yield (compared to 26 % without the dibenzoyl peroxide).
What are the applications of Application
Diethyl trichloromethylphosphonate has been used as a carbenoid precursor in the reaction with Bu3B.
Diethyl trichloromethylphosphonate is used mainly in the synthesis of 1,1-dichloro-1-alkenes from carbonyl compounds via Horner–Wadsworth–Emmons (HWE)-type reactions.
Diethyl trichloromethylphosphonate reacts with olefins under Cu(I) or Fe(III) catalysis to give insertion of the olefinic substrate into one of the C–Cl bonds.
General Description
Addition reaction of diethyl (trichloromethyl)phosphonate to olefins by non-chain catalytic reactions catalyzed by copper amine complexes has been reported. Irradiation of diethyl (trichloromethyl)phosphonate in MeCN is reported to afford corresponding monoesters and olefins, via photochemical type II elimination reaction.
Properties of Diethyl (trichloromethyl)phosphonate
Boiling point: | 130-131 °C/14 mmHg (lit.) |
Density | 1.362 g/mL at 25 °C (lit.) |
refractive index | n |
Flash point: | >230 °F |
storage temp. | 2-8°C |
form | Liquid |
color | Colorless to Almost colorless |
Water Solubility | 4.5g/L(25 ºC) |
BRN | 1210640 |
Safety information for Diethyl (trichloromethyl)phosphonate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Diethyl (trichloromethyl)phosphonate
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