1-thiaguanosine and process for preparing oxanosine and 1-thiagu

Details 1-thiaguanosine and process for preparing oxanosine and 1-thiagu 1-thiaguanosine and process for preparing oxanosine and 1-thiagu

1990-08-02

1993-09-07

Brown, Johnnie R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 2781, 536 288, C07H 1900

Patent

active

052430421

ABSTRACT:
The invention relates to antibacterially active 5-amino-3-(.beta.-D-ribofuranosyl)imidazo[4,5-d][1,3]thiazin-7(3H)-one, also referred to as 1-thiaguanosine, a composition and method comprising the same and processes and intermediates for the preparation of 1-thiaguanosine and 5-amino-3-(.beta.-D-ribofuranosyl)imidazo[4,5-d][1,3]oxazin-7(3H)-one, also referred to as oxanosine, a known compound.

REFERENCES:
patent: 3917583 (1975-11-01), Meyer et al.
patent: 4530998 (1985-07-01), Umezawa et al.
patent: 4946846 (1990-08-01), Nomura et al.
Yagisawa et al., Tetrahedron Letters, vol. 24, No. 9, pp. 931-932 (1983).
Yagisawa et al., A Facile Total Synthesis of Oxanosine, A Novel Nucleoside Antibiotic, 24 Tet. Let. 931-32 (1983).
Kaneko et al., Reactions of 1-(2-Acetoxyethoxy)methyl-5-amino-4-cyanoimidazole with Isothiocyanates, 36 Chem. Pharm. Bull. 1283-88 (1988).

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