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The photochemical conversion of cyclic acetals to a lactone and esters

✍ Scribed by Takashi Yamagishi; Tomotaka Yoshimoto; Kyôji Minami

Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
102 KB
Volume
12
Category
Article
ISSN
0040-4039

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An Efficient and Stereoselective Conversion of Lactones to Substituted Cyclic Ethers. -Cerium(III) chloride assisted addition of Grignard reagents to lactones and following BF 3 •OEt 2 mediated deoxygenation of the resulting hemiketals [cf. (III)] with triethylsilane provides a general route to cycl