Synthetic porous crystalline MCM-68, its synthesis and use

Details Synthetic porous crystalline MCM-68, its synthesis and use Synthetic porous crystalline MCM-68, its synthesis and use

1999-01-21

2000-04-11

Koslow, C. Melissa

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585467, 585475, 423706, 423708, 423709, 423713, 423718, C01B 3950, C07C 266

Patent

active

060490187

ABSTRACT:
This invention relates to a new synthetic porous crystalline material, designated MCM-68, a method and novel polycyclic organic cation for its preparation and its use in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern and has a unique crystal structure which contains at least one channel system, in which each channel is defined by a 12-membered ring of tetrahedrally coordinated atoms, and at least two further, independent channel systems, in each of which each channel is defined by a 10-membered ring of tetrahedrally coordinated atoms, wherein the number of unique 10-membered ring channels is twice the number of 12-membered ring channels.

REFERENCES:
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patent: 5236575 (1993-08-01), Bennett et al.
patent: 5501848 (1996-03-01), Nakagawa
patent: 5591421 (1997-01-01), Zones
Schmitt, Valyocsik, and Poloski, "The role of diquaternary cations as directing agents in zeolite synthesis", Zeolite,1994, vol. 14, 504 (No Month).
Zones, Olmstead, and Santilli, "Guest/Host Relationships in the Synthesis of Large Pore Zeolite SSZ-26 from a Propellane Quaternary Ammonium Compound", Journal American Chemical Society, 1992, vol. 114, 4195 (No Month).
www.iza-sc.ethz.ch/IZA-SC/Atlas/Table2.html (visited Dec. 12, 1999).

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