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ChemInform Abstract: (2 + 1) and (2 + 2) Cycloaddition Reaction of 1-Seleno-2-silylethenes to Methylenemalonate Esters: A Novel Ring Contraction of Cyclobutane to Cyclopropane.

โœ Scribed by S. YAMAZAKI; M. TANAKA; T. INOUE; N. MORIMOTO; H. KUMAGAI; K. YAMAMOTO


Book ID
112028179
Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
27
Category
Article
ISSN
0931-7597

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Highly Efficient [2+1] Cycloaddition Rea
โœ Shoko Yamazaki; Tomomi Imanishi; Yumiko Moriguchi; Takashi Takada ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 564 KB

l-Seleno-2-silylethene 1 undergoes stereoseleetive SnCl,-promoted [2+1] cycloaddition reactions with 2-phosphonoacrylates 2 in high yields; the resulting highly functionalized cyclopropanephosphonic acid ester products 3 are versatile starting materiak for biologically important compounds. 0 1997Els