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Triphenylphosphonium perchlorate as an efficient catalyst for mono- and bis-intramolecular imino Diels-Alder reactions: synthesis of tetrahydrochromanoquinolines
被引:71
|作者:
Anniyappan, M
[1
]
Muralidharan, D
[1
]
Perumal, PT
[1
]
机构:
[1] Cent Leather Res Inst, Div Organ Chem, Madras 600020, Tamil Nadu, India
关键词:
triphenylphosphonium perchlorate;
mono- and bis-IMIDA;
hetero-polycyclic systems;
D O I:
10.1016/S0040-4039(03)00707-X
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Triphenylphosphonium perchlorate (TPP) is found to be an efficient catalyst for the mono- and bis-intramolecular imino Diels-Alder (IMIDA) reaction of aldimines derived from aromatic amines and O-allyl derivatives of salicylaldehydes to afford the corresponding tetrahydrochromano[4,3-b]quinolines in excellent yields and short reaction times under mild conditions. (C) 2003 Elsevier Science Ltd. All rights reserved.
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页码:3653 / 3657
页数:5
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