73997-64-5

Upstream product

• 73997-59-8 7,7-dimethoxybicyclo<2.2.1>heptan-exo-2-yl half-acid phthalate 
• 1576-35-8 toluene-4-sulfonic acid hydrazide 
• 875-04-7 7,7-dimethoxybicyclo<2.2.1>heptene 
• 19448-78-3 1,2,3,4-tetrachloro-7,7-dimethoxybicyclo<2.2.1>hept-2-ene 
• 10265-41-5 7,7-dimethoxybicyclo<2.2.1>heptan-exo-2-ol 

Relevant academic research and scientific papers

The Octant Rule. 7. Deuterium as an Octant Pertuber

(1S)-exo-2-Deuteriobicycloheptan-7-one (1) and (1S)-endo-2-deuteriobicycloheptan-7-one (2) were synthesized, and their circular dichroism spectra were measured and analyzed.Both ketones show dissignate Cotton effects near 295 nm corresponding to their n-?* electronic transitions: 1 (Δε296 = +0.033) and 2 (Δε292 = +0.132).The nature of the isotopic perturbation on the n-?* transitions of 1 and 2, related β-deuterioadamantanones and cyclohexanones, and α-deuteriocyclohexanones is treated theoretically.The net contribution to the sign of the rotatory strength is determined by the relatively more consignate contribution on the C-H bond that is located in an oppositely signed octant relative to the C-D bond.