Process for preparation of deuterated methylene chloride

Details Process for preparation of deuterated methylene chloride Process for preparation of deuterated methylene chloride

1988-09-09

1990-10-30

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

C07C 1724, C07C 1900, C07C 1902

Patent

active

049670212

ABSTRACT:
A process for the preparation of deuterated methylene chloride. The process comprises contacting methylene chloride with an aqueous phase containing deuteroxide ions in the presence of a phase-transfer catalyst.

REFERENCES:
patent: 3737464 (1973-06-01), Atkinson et al.
Dehmlow et al "Phase Transfer Catalysis" (1980), pp. 9, 10, 12 and 44.
Feldman et al, "J. Org. Chem.", vol. 50, No. 10, (1985), pp. 1746-1749.
Spillane et al, "J. Chem. Soc.", Perkin I, (1981), pp. 1763-1768.
Halpern et al, "J. Org. Chem.", vol. 48, No. 7, (1983), pp. 1022-1025.
Halpern et al, "Angew Chem. ", Int. Ed. 23 (1984) No. 1, pp. 54 and 55.
Rabinonitz et al, "Angew Chem.", Int. Ed. Engl. 25 (1986), pp. 960-970.
Atkinson et al., "New Synthesis of Formaldehyde-d.sub.2.sup.1,2 ", Can. J. Chem., 47, (1969) pp., 477-479.

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