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|Title:||A comparison of the DNMR behaviour of methyl 5,6-bis(2-methoxyphenyl)-1,4-dimethyl-7-oxobicyclo[2.2.1]hept-5-en-2-endo-carboxylate and its 7-oxa analogue|
|Authors:||Kumar, A Sampath|
Rao, S Prahlada
Balasubrahmanyam, S N
|Abstract:||Methyl 5,6-Bis(2-methoxyphenyl)-1,4-dimethyl-7-oxobicyclo[2.2.1] hept-5-en-2-endo-carboxylate, a moderately crowded norbornenone ester, exhibits complex VT-DNMR behav iour. A similar behaviour is not seen in its 7-oxa analogue, showing that conformational transmission from position 7 has a crucial influence on the distance parameters that govern the dynamic processes involving the substituents on the bicycloheptene framework.|
|Appears in Collections:||IJC-B Vol.40B(08) [August 2001]|
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