Dibromocarbonyl ylides. Deoxygenation of aldehydes and ketones by dibromocarbene

Z Huan, JA Landgrebe, K Peterson

Index: Huan, Zhenwei; Landgrebe, John A.; Peterson, Kimberly Journal of Organic Chemistry, 1983 , vol. 48, # 24 p. 4519 - 4523

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Citation Number: 16

Abstract

Conclusions Agreement between the observed and calculated JHzH3, coupling constants of IC indicates that its solution in CDC1, contains up to 18% of the BC conformer. Both dynamic 13C NMR and molecular mechanics calculatioins indicate a very low interconversion energy barrier for CC-BC for IC (7-8 kcal/mol). The combined use of molecular mechanics and the empirically generalized Karplus equation appears to be a useful technique for studying ...