@article {1302,
	title = {Photochemistry of 1-isopropylcycloalkyl aryl ketones: Ring size effects, medium effects, and asymmetric induction},
	journal = {Organic Letters},
	volume = {7},
	number = {7},
	year = {2005},
	note = {ISI Document Delivery No.: 910HITimes Cited: 16Cited Reference Count: 15},
	month = {Mar},
	pages = {1315-1318},
	type = {Article},
	abstract = {The n = 0, 1, and 2 ketones shown above undergo Yang photocyclization in solution, but only the n = 1 analogues react this way in the solid state. Based on X-ray crystallography, these differences in reactivity are attributed to an unusually large distance for 1,4-hydroxybiradical cyclization in the solid state for the n = 0 and 2 ring systems, which leads to predominant reverse hydrogen transfer (rht). Enantiomeric excesses of up to 99\% can be achieved in the case of the n = 1 system through the use of the solid-state ionic chiral auxiliary method of asymmetric synthesis.},
	keywords = {ABSTRACTION, BEHAVIOR, PHENYL KETONES, SALTS, STATE},
	isbn = {1523-7060},
	url = {<Go to ISI>://000227921200030},
	author = {Xia, W. J. and Scheffer, J. R. and Botoshansky, M. and Kaftory, M.}
}
