Ethyldiphenylphosphinit

Bezeichnung:Ethyldiphenylphosphinit

CAS-Nr719-80-2

Englisch Name:Ethyl diphenylphosphinite

CBNumberCB0684798

SummenformelC14H15OP

Molgewicht230.24

MOL-Datei719-80-2.mol

Synonyma

Ethyldiphenylphosphinit

Ethyldiphenylphosphinit physikalisch-chemischer Eigenschaften

Schmelzpunkt	164-167 °C(Solv: heptane (142-82-5); benzene (71-43-2))
Siedepunkt	179-180 °C (14 mmHg)
Dichte	1.066 g/mL at 25 °C (lit.)
Dampfdruck	0.124-0.35Pa at 20-25℃
Brechungsindex	n20/D 1.59(lit.)
Flammpunkt	>230 °F
storage temp.	2-8°C
Löslichkeit	Soluble in chloroform.
Aggregatzustand	clear liquid
Wichte	1.066
Farbe	Colorless to Light yellow
Sensitive	Air & Moisture Sensitive
BRN	1641750
InChI	1S/C14H15OP/c1-2-15-16(13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,2H2,1H3
InChIKey	JCRCPEDXAHDCAJ-UHFFFAOYSA-N
SMILES	CCOP(c1ccccc1)c2ccccc2
LogP	3.595-5.57 at 25℃
CAS Datenbank	719-80-2(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-37/39
WGK Germany	3
RTECS-Nr.	211-951-8
PackingGroup	III
HS Code	29319090
Speicherklasse	10 - Combustible liquids
Hazard Classifications	Acute Tox. 4 Oral Aquatic Chronic 3

Gefahreninformationscode (GHS)

Ethyl diphenylphosphinite Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
clear colorless to light yellow liquid
Verwenden
Ethyl diphenylphosphinite is used in the synthesis of phosphoramides.
reaction suitability
reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling
Synthese

1079-66-9

719-80-2

Example 2: 330 g (7.17 mol) of anhydrous ethanol was cooled to -15°C under nitrogen protection. Subsequently, 18 g (1.06 mol) of ammonia was passed at this temperature. Next, 200 g (0.907 mol) of diphenylphosphonium chloride was slowly added dropwise over a period of 1 hour. After the dropwise addition was completed, the reaction mixture was gradually warmed to room temperature with stirring and stirring was continued for 3.5 hours. After completion of the reaction, the mixture was cooled, diafiltrated and the solids were washed with ethanol. The filtrate was treated to ensure that it was free of ethanol and residual ammonia. A small amount of precipitate was removed by filtration through glass material. Finally, purification by thin film distillation at a bath temperature of 140 °C and pressure of 0.3 mbar gave 172 g of ethoxydiphenylphosphine in 83% yield of the theoretical value.
Einzelnachweise
[1] Patent: US5705669, 1998, A
[2] J. Gen. Chem. USSR (Engl. Transl.), 1961, vol. 31, p. 2214 - 2217

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