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ChemicalBook CAS DataBase List DIISOPROPYL METHYLPHOSPHONATE

DIISOPROPYL METHYLPHOSPHONATE synthesis

13synthesis methods
-

Yield: 100%

Reaction Conditions:

at 60 - 100; for 1 h;Inert atmosphere;

Steps:

Synthesis of diisopropyl methylphosphonate S1
Triisopropyl phosphite (264 mL, 1.15 mol) was heated at 60 C. MeI (100 mL, 41.6 mol) wasslowly dropwised at this temperature. A exothermic reaction started, and heating wasdiscontinued until there was no more refluxing. The temperature was increased slowly to 100C and kept at the temperature for 1 h. The isopropyliodide was distilled off at ordinarypressure, and then the residue was distilled in vacuo (86-87 C, 14 torr) to quantitativelyafford S1 (124 g) as a colorless oil.

References:

Jung, Sunna;Kitajima, Yoko;Ueda, Yasuyuki;Suzuki, Keisuke;Ohmori, Ken [Synlett,2016,vol. 27,# 10,art. no. ST-2016-U0051-L,p. 1521 - 1526] Location in patent:supporting information

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