Phase-transfer catalysis with onium-containing synthetic mesopor

Details Phase-transfer catalysis with onium-containing synthetic mesopor Phase-transfer catalysis with onium-containing synthetic mesopor

1993-06-11

1994-09-13

Pal, Asok

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

Organic compounds

Halogen containing

502152, 502164, 570260, C07C 1720, B01J 3118

Patent

active

053470605

ABSTRACT:
This invention relates to phase transfer catalysis (PTC) using a composition of synthetic ultra-large pore crystalline material which contains a cation of an onium compound, e.g. cetyltrimethylammonium, within the pores of said material. The crystalline material has, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than 18 Angstrom Units and a benzene adsorption capacity of greater than 15 grams benzene per 100 grams of said material at 6.7 kPa (50 torr) and 25.degree. C.

REFERENCES:
patent: 3992432 (1976-11-01), Napier et al.
patent: 4413137 (1983-11-01), Renga et al.
patent: 4952544 (1990-08-01), McCauley
patent: 5057296 (1991-10-01), Beck
patent: 5099054 (1992-03-01), Pinnavaia et al.
Encyclopedia of Chemical Technology, vol. 5, J. Wiley & Sons, pp. 62-69.
"Ultralarge Pore Molecular Sieves", P. A. Jacobs & R. A. vanSanten, 1989 pp. 439-446.
P. Tundo et al, JCS Chem. Commun, p. 641 (1977).
P. Tundo et al, J. Amer. Chem. Soc., 104, 6551 (1982).

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