Specific dealkylation of 3-benzyladenines in the presence of 9-benzyladenines

LM Weinstock, RJ Tull, AW Douglas…

Index: Weinstock, Leonard M.; Tull, Roger J.; Douglas, Alan W.; Shinkai, Ichiro Journal of Organic Chemistry, 1980 , vol. 45, # 26 p. 5419 - 5421

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Citation Number: 8

Abstract

1 1 4 0.800 0.809 1.12 g (25%) of lactone 5:-21.9"(c 0.19, CHC13); IR 1725 (&lactone) cm-l; NMR (270 MHz, CDC13) 7.23, 7.70, 7.00 (4 aromatic protons), 4.19 (9, J= 7 Hz, H-21), 2.86 (sept, J= 7 Hz, H-15), 2.60 (t, 2 H, J= 8 Hz, H-7), 1.32 (d, C-9 methyl), 1.25 ((3-4 methyl), 1.23 (d, isopropy! methyls), 0.84 ppm (C-10 methyl); mass spectrum, m/e 328 (M').