CYCLOADDITIONS OF ALLYLSILANES, PART 13 - LEWIS ACID-PROMOTED STEREOSPECIFIC [2+2] CYCLOADDITION OF CROTYLSILANES AND METHYL PROPYNOATE

Authors
KNOLKER HJ BAUM E SCHMITT O
Citation
Hj. Knolker et al., CYCLOADDITIONS OF ALLYLSILANES, PART 13 - LEWIS ACID-PROMOTED STEREOSPECIFIC [2+2] CYCLOADDITION OF CROTYLSILANES AND METHYL PROPYNOATE, Tetrahedron letters, 39(42), 1998, pp. 7705-7708
Citations number
45
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
39
Issue
42
Year of publication
1998
Pages
7705 - 7708
Database
ISI
SICI code
0040-4039(1998)39:42<7705:COAP1->2.0.ZU;2-#
Abstract
The titanium tetrachloride-promoted reaction of the (Z)- and (E)-croty lsilanes 6 and 9 with methyl propynoate (1) provides by stereospecific [2+2] cycloaddition the cis- and trans-3,4-disubstituted cyclobutenes 7 and 10. (C) 1998 Elsevier Science Ltd. All rights reserved.