Tetrahedron p. 1767 - 1774 (1982)
Update date:2022-07-30
Topics:
Itaya, Taisuke
Ogawa, Kazuo
Synthesis of 3,9-dialkylguanines 5 has been accomplished by N-cyanation of 1-alkyl-5-(alkylamino)imidazole-4-carboxamides 3 followed by base-catalysed cyclisation.Cyclocondensation of 9-alkyl-3-methylguanines 5a, d, f with MeCOCH2Br gave 3-alkylwyes 6, model compounds of the most probable structure for wyosine from Torulopsis utilis tRNAPhe.
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(1989)