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A facile synthesis of novel pyridone-annelated spirooxindolepyrrolidines via 1,3-dipolar cycloaddition
被引:3
|作者:
Al-As'ad, Randa M.
[1
]
El-Abadelah, Mustafa M.
[1
]
Sabri, Salim S.
[1
]
Zahra, Jalal A.
[1
]
Awwadi, Firas F.
[1
]
Voelter, Wolfgang
[2
]
机构:
[1] Univ Jordan, Fac Sci, Dept Chem, Amman 11942, Jordan
[2] Univ Tubingen, Interfak Inst Biochem, D-72076 Tubingen, Germany
来源:
关键词:
1,2,9-Trioxopyrrolo[2,3-f]quinoline;
Azomethine ylide;
1,3-Cycloaddition;
Spirooxindolepyrrolidines;
X-ray crystal data;
MAMMALIAN-CELL CYCLE;
X=Y-ZH SYSTEMS;
POTENTIAL 1,3-DIPOLES;
UNCARIA-TOMENTOSA;
AZOMETHINE YLIDES;
DECARBOXYLATIVE ROUTE;
OXINDOLE;
SPIROTRYPROSTATIN;
MITRAPHYLLINE;
MECHANISM;
D O I:
10.1007/s00706-014-1391-6
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A series of novel pyridine-annelated spirooxindole-3,2'-pyrrolidines was prepared via 1,3-cycloaddition reaction involving N-methylmaleimide as 1,3-dipolarophile and the appropriate azomethine ylide. The latter 1,3-dipolar species were generated in situ via decarboxylative condensation reaction of the particular alpha-amino acid with pyridine-annelated isatin in aqueous methanol under reflux. The structures of these new spirooxindole cycloadducts are based on microanalytical, spectral (IR, HRMS, and NMR), and X-ray crystal data.
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页码:621 / 629
页数:9
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