Reactions of sterically congested 1,6- a
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Akihiko Ishii; Ken Furusawa; Takenori Omata; Juzo Nakayama
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Article
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2002
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John Wiley and Sons
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English
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## Abstract The reaction of 3,8โbis(diazo)โ2,2,4,4,7,7,9,9โoctamethyldecane (**5**) with elemental selenium in 1,8โdiazabicyclo[5.4.0]undecโ7โene (DBU) at 130ยฐC yielded 1,2โdiโ__tert__โbutylโ3,3,6,6โtetramethylcyclohexene (**1**) (64%) and __trans__โ3,8โdiโ__tert__โbutylโ4,4,7,7โtetramethylโ1,2โdis