Cinchona-derived ammonium salts-catalyzed aza Diels–Alder reaction of Danishefsky's diene with imines
Y Park, E Park, H Jung, YJ Lee, S Jew, H Park - Tetrahedron, 2011 - Elsevier
Described is the efficiency of cinchona-derived quaternary ammonium salts as Lewis acid
organocatalysts in aza Diels–Alder reaction of Danishefsky's diene 1 with imines 2 and 16,
providing 1, 2-dialkyl-2, 3-dihydro-4-pyridinones 3 and cyclic dihydropyridones 17,
respectively. Among the nine of cinchonidine-derived quaternary ammonium catalysts
prepared, N-2′, 3′, 4′-trifluorobenzyl-O-benzylcinchonidinum bromide (6) exhibited the
highest chemical yield (up to 99%). Systematic study on structure-catalytic efficiency …
organocatalysts in aza Diels–Alder reaction of Danishefsky's diene 1 with imines 2 and 16,
providing 1, 2-dialkyl-2, 3-dihydro-4-pyridinones 3 and cyclic dihydropyridones 17,
respectively. Among the nine of cinchonidine-derived quaternary ammonium catalysts
prepared, N-2′, 3′, 4′-trifluorobenzyl-O-benzylcinchonidinum bromide (6) exhibited the
highest chemical yield (up to 99%). Systematic study on structure-catalytic efficiency …
[引用][C] Cinchona-derived Ammonium Salts-catalyzed aza Diels-Alder reaction of Danishefsky's Diene with Imines
P Eunyoung, P Yohan, J Hyojun… - 춘계총회및학술 …, 2011 - scholar.kyobobook.co.kr
Cinchona-derived Ammonium Salts-catalyzed aza Diels-Alder reaction of Danishefsky’s
Diene with Imines - 학지사ㆍ교보문고 스콜라 … (2011년) Cinchona-derived Ammonium
Salts-catalyzed aza Diels-Alder reaction of Danishefsky’s Diene with Imines … Cinchona-derived
Ammonium Salts-catalyzed aza Diels-Alder reaction of Danishefsky’s Diene with Imines …
Diene with Imines - 학지사ㆍ교보문고 스콜라 … (2011년) Cinchona-derived Ammonium
Salts-catalyzed aza Diels-Alder reaction of Danishefsky’s Diene with Imines … Cinchona-derived
Ammonium Salts-catalyzed aza Diels-Alder reaction of Danishefsky’s Diene with Imines …
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