✦ LIBER ✦

Cyclization of hydroxy epoxides promoted by (Bu3Sn)2O/Lewis acid: efficient synthesis of oxepanes

✍ Scribed by Ryuji Matsumura; Toshio Suzuki; Kohki Sato; Ken-ichi Oku; Hisahiro Hagiwara; Takashi Hoshi; Masayoshi Ando; Vijayendra P Kamat

Book ID: 104210896
Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 64 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)01345-9

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✦ Synopsis

Cyclization of hydroxy epoxides mediated by a (Bu 3 Sn) 2 O/Lewis acid system proceeded via an S N 2 process and exo mode to provide the corresponding seven-membered cyclic ethers in high yield.

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