𝔖 Bobbio Scriptorium
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Intramolecular photochemical cyclization of α,α'-dimethylene diesters

✍ Scribed by Jordan J. Bloomfield; Dennis C. Owsley

Book ID
104247174
Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
176 KB
Volume
14
Category
Article
ISSN
0040-4039

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✦ Synopsis

Rsaeived in USA 15 kroh 1973; nceimd in 'oI[ for publimtion 3 Wil 1973) With few exceptions,

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Fifteen α,ω-dienals and one α-en-ω-ynal were prepared. These substrates were treated with Ni(COD) 2 /TMSCl under carbonylative and noncarbonylative conditions, with subsequent methanol quenching of the resulting metal intermediates to afford different types of cycloadducts. From the compounds thus o