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Highly Efficient [2+1] Cycloaddition Reactions of a 1-Seleno-2-silylethene to 2-Phosphonoacrylates: Synthesis of Novel Functionalized Cyclopropanephosphonic Acid Esters

✍ Scribed by Shoko Yamazaki; Tomomi Imanishi; Yumiko Moriguchi; Takashi Takada

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 564 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)01436-6

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✦ Synopsis

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 1997Elsevier ScienceLtd.

Cyclopropanes represent a rich source of structural and biological diversity and have attracted

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