A novel, shape-selective, zeolite-catalyzed synthesis of calix(4)pyrroles

A novel, shape-selective, zeolite-catalyzed synthesis of calix(4)pyrroles

Porosity and acidity of molecular sieve Al-MCM-41 (ca. 30 A pore diameter) plays a crucial role in the synthesis of novel calix(4)pyrroles; for the first time, Al-MCM-41 has been used as a solid acid catalyst to produce a number of calix(4)pyrroles with good selectivity ad yields where zeolite HY (c...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2001-11 (21), p.2226-2224
Hauptverfasser: Kishan, M R, Srinivas, N, Raghavan, K V, Kulkarni, S J, Sarma, J A, Vairamani, M
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creator Kishan, M R
Srinivas, N
Raghavan, K V
Kulkarni, S J
Sarma, J A
Vairamani, M
description Porosity and acidity of molecular sieve Al-MCM-41 (ca. 30 A pore diameter) plays a crucial role in the synthesis of novel calix(4)pyrroles; for the first time, Al-MCM-41 has been used as a solid acid catalyst to produce a number of calix(4)pyrroles with good selectivity ad yields where zeolite HY (ca. 7.6 A pore diameter) yields mainly the linear chain dimer and no cyclic products.
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title A novel, shape-selective, zeolite-catalyzed synthesis of calix(4)pyrroles
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