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Facile chromium carbene mediated synthesis of functionalised 5- to 7-ring lactones

✍ Scribed by Graham M Good; Mark I Kemp; William J Kerr

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
70 KB
Volume
41
Category
Article
ISSN
0040-4039

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An efficient strategy for the rapid construction of the guiane bicyclo[5.3.0]decane ring system from appropriately substituted 4-alkyn-1-ols has been developed. This methodology relies on a MeLi-catalyzed tandem 5-exo-dig cyclization/Claisen rearrangement sequence as the key ring forming step.