3-substituted-1,2,4-oxadiazolin-5-one; A useful amidine precursor and protecting group
作者:Richard E Bolton、Steven J Coote、Harry Finch、Andrew Lowdon、Neil Pegg、M Victoria Vinader
DOI:10.1016/0040-4039(95)00755-2
日期:1995.6
5-Benzyloxy-1,2,4-oxadiazoles and 1,2,4-oxadiazolin-5-ones are useful precursors to, and protectinggroups for the amidine moiety. The latter compounds are readily prepared from amidoximes or alternatively via cycloaddition of nitrile oxides to trichloroacetonitrile and subsequent hydrolysis. Both protectinggroups may be readily removed upon hydrogenation, liberating the parent amidine. In addition
Krechl, Jiri; Smrckova, Svatava; Pavlikova, Frantiska, Collection of Czechoslovak Chemical Communications, 1989, vol. 54, # 9, p. 2415 - 2424
作者:Krechl, Jiri、Smrckova, Svatava、Pavlikova, Frantiska、Kuthan, Josef
DOI:——
日期:——
A Versatile Synthesis of Amidines from Nitriles<i>Via</i>Amidoximes
作者:Brian D. Judkins、David G. Allen、Tracey A. Cook、Brian Evans、Tsarina E. Sardharwala
DOI:10.1080/00397919608003838
日期:1996.12
Benzamidines were prepared conveniently from benzonitriles in good yield via catalytic hydrogenation of intermediate benzamidoximes in acetic acid/acetic anhydride.