A new synthesis of oxanosine and 2′-deoxyoxanosine
摘要:
An easy and more efficient synthesis of oxanosine and 2'-deoxyoxanosine has been developed, a key step in the reported synthesis is a new photochemical transformation by UV irradiation of l-hydroxy derivatives of inosine. (C) 1998 Elsevier Science Ltd. All rights reserved.
A new synthesis of oxanosine and 2′-deoxyoxanosine
作者:Lorenzo De Napoli、Giovanni Di Fabio、Anna Messere、Daniela Montesarchio、Gennaro Piccialli、Michela Varra
DOI:10.1016/s0040-4039(98)01605-0
日期:1998.10
An easy and more efficient synthesis of oxanosine and 2'-deoxyoxanosine has been developed, a key step in the reported synthesis is a new photochemical transformation by UV irradiation of l-hydroxy derivatives of inosine. (C) 1998 Elsevier Science Ltd. All rights reserved.
1-Substituted 2′-deoxyinosine analogues
作者:Lorenzo De Napoli、Anna Messere、Daniela Montesarchio、Gennaro Piccialli、Michela Varra
DOI:10.1039/a700987i
日期:——
The base 2-carbon of
2â²,3â²-di-O-acetyl-2â²-deoxyinosine is strongly
activated towards nucleophilic attack when either the 4-nitrophenyl or
2,4-dinitrophenyl group is attached to its N-1 position (product 1 or
2). 1-(Ï-Aminoalkyl)- and
1-(Ï-hydroxyalkyl)-2â²-deoxyinosine derivatives 5,
8â10 have been efficiently synthesized by a rearrangement of the
purine ring upon treatment of compound 1 or 2 with the appropriate
α,Ï-diamine or
α,Ï-hydroxyamine. Moreover
1-amino-2â²-deoxyinosine 11 and 1-hydroxy-2â²-deoxyinosine 13
have been easily prepared in high yields by reaction of substrate 1 or
2, respectively, with hydrazine or hydroxylamine.