Odinokov, V. N.; Ishmuratov, G. Yu.; Sokol'skaya, O. V.; Galeeva, R. I.; Muslukhov, R. R.; Tolstikov, G. A. Russian Journal of Organic ChemistryZhurnal Organicheskoi Khimii, 19931993, vol. 2929, # 1.11 p. 19 - 2324 - 30