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Iron carbonyl-induced couplings of benzonorbornadienes to carbon monoxide: A remarkable switch in stereospecificity

✍ Scribed by Arnold Speert; Jan Gelan; Marc Anteunis; Alan P. Marchand; Pierre Laszlo

Publisher: Elsevier Science
Year: 1973
Tongue: French
Weight: 210 KB
Volume: 14
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)87613-9

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✍ J. Mantzaris; E. Weissberger 📂 Article 📅 1972 🏛 Elsevier Science 🌐 French ⚖ 233 KB

When neat diene I is treated with a 2:l molar ratio of Fe,(CO), or Fe(CO)S at 85O in a glass pressure bottle for 12 hours, coupling occurs through the b 2.3 double bond yielding ketone II. The product is stereochemically pure by TLC on silica gel, and nmr. (m/e)+ = 344 7Okmp = 271-272.5" While the a