Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1993-01-15
1993-11-09
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D25134
Patent
active
052604365
ABSTRACT:
A method is provided to prepare triaryl isocyanurates from aryl isocyanates by using triazaprophosphatrane catalysts.
REFERENCES:
patent: 5051533 (1991-09-01), Verkade
K. Ashide, "Silcate Catalysts for the Formation of Isocyanurates", Chem. Abs., 107, Abs. No. 107:134825j (1987).
Z. Bukac et al., Chem. Prum., 35(7), 361-363 (1985) with English language abstract (Z. Bukac et al., Chem. Abs., 103, Abs. No. 103:123978c (1985)).
Z. Bukac, et al., "Refining of the Cyclic Trimer of Phenyl Isocyanate", Czechoslovkian Patent No. 227,247, Chem. Abs., 105, 10-11, Abs. No. 105:173224r (1986).
D. Gudat et al., Phosphorus, Sulfur and Silica, 41, 21-29 (1989).
D. K. Hoffman, J. Cell. Plast., 129-137 (Mar./Apr.: 1984).
J. Horsky et al., Chem. Prum., 32, 599-602 (1982) with English language translation (V. Kubanek et al., Chem. Prum., 32, 599 (1982) as taken from Int. Poly. Sci. Tech., 10, 89 (1983).
S. Kato et al., J. Organomet. Chem., 51, 167-171 (1973).
P. I. Kordomenos et al., Macromolecules, 14, 1434-1437 (1981).
M. A. H. Laramay et al., J. Am. Chem. Soc., 112, 9421-9422 (1990).
M. A. H. Laramay et al., Z. Anorg. Allg. Chem., 605, 163-174 (1991).
C. Lensink et al., J. Am. Chem. Soc., 111, 3478-3479 (1989).
E. Martelli et al., J. Mol. Catal., 22, 89-91 (1983).
J. Mizuya et al., J. Polym. Sci.: Part A, 29, 1545-1548 (1991).
H. Schmidt et al., Z. Anorg. Allg. Chem., 578, 78-80 (1989).
H. Schmidt et al., Phosphorus, Sulfur and Silica, 49/50, 163-168 (1990).
Y. Taguchi et al., Bull. Chem. Soc. Jpn., 63, 3486-3489 (1990).
J. S. Tang et al., "Stepwise Transannular Bond Formation Between Bridgehead Atoms in Z-P(MeNCH.sub.2 CH.sub.2).sub.3 N Systems" abstract of paper presented at Am. Chem. Cos. Meeting, San Francisco, Calif., Apr. 5-10, 1992.
J. S. Tang et al., J. Am. Chem. Soc., 114, 3129-3131 (1992).
H. Ulrich, J. Cell. Plast., 31-34 (Jan./Feb.: 1981).
J. G. Verkade, "Five-Coordinate and Quasi-Five-Coordinate Phosphorus", ACS Symposium Series developed from the 202nd National Meeting of Am. Chem. Soc., New York, N.Y., Aug. 25-30, 1991.
S. K. Xi et al., Inorg. Chem., 29, 2214-2220 (1990).
S. Wong et al., J. Polym. Sci: Part A, 24, 2867-2875 (1986).
Tang Jiansheng
Verkade John G.
Ford John M.
Iowa State University & Research Foundation, Inc.
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