期刊
TETRAHEDRON LETTERS
卷 47, 期 16, 页码 2807-2810出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.02.094
关键词
Prins reaction; ketones; tetrahydropyrans; 5,6-dihydro-2H-pyrans; homoallylic alcohols; homopropargylic alcohols; TMSI
The Prins-type cyclization of ketones with homoallylic and homopropargylic alcohols in the presence of TMSI generated in Situ from TMSCI and Nal produced 2,2-disubstituted- or spirocyclic-4-iodo-tetrahydropyrans and spirocyclic-4-iodo-5,6-dihydro-2H-pyrans in good yields. These iodopyrans are reported for the first time. (c) 2006 Elsevier Ltd. All rights reserved.
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