期刊
TETRAHEDRON
卷 62, 期 29, 页码 7113-7120出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2006.04.075
关键词
Babier-Prins cyclization; allylbromide; carbonyl compound; BBIMBr/SnBr2; tetrahydropyran; direct synthesis
Tetrahydropyran compounds can be directly synthesized from allylbromide and carbonyl compounds by means of one-pot Babier-Prins cyclization promoted by BPyX/SnX'(2) or BBINBr/SnBr2 complex (functionalized RTILs) under solvent-free conditions. 2,6-Homo-bissubstituted- and 2,6,6-trisubstituted, especially 6-(spirocycloalkyl)-, tetralrydropyran compounds can be prepared in good yields. (c) 2006 Elsevier Ltd. All rights reserved.
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