@article {2909, title = {SUBSTITUENT EFFECTS ON THE DI-PI-METHANE PHOTOREARRANGEMENT OF 9,10-ETHENOANTHRACENE DERIVATIVES}, journal = {Tetrahedron Letters}, volume = {34}, number = {1}, year = {1993}, note = {ISI Document Delivery No.: KE371Times Cited: 12Cited Reference Count: 20}, month = {Jan}, pages = {35-38}, type = {Article}, abstract = {The photochemical result of placing electron-donating and electron-withdrawing substituents at the vinyl and aryl positions of the 9,10-ethenoanthracene nucleus is reported. The results are discussed in terms of the radical stabilizing and polar effects of the substituents on the biradical intermediates involved.}, keywords = {BRIDGEHEAD, BRIDGING REGIOSELECTIVITY, PHOTOISOMERIZATION, REARRANGEMENT}, isbn = {0040-4039}, url = {://A1993KE37100006}, author = {Rattray, G. and Yang, J. and Gudmundsdottir, A. D. and Scheffer, J. R.} }