Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1994-09-07
1997-04-01
Wilson, James O.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
514 50, 514908, 536 274, 536 281, 536 282, 536 284, 536 285, 536 2852, 536 2853, 536 2854, A61K 3170, C07H 1906, C07H 1909
Patent
active
056165676
ABSTRACT:
The pyrimidine compounds of the present invention are represented by the following formula: ##STR1## and pharmaceutically acceptable salts thereof, wherein, R.sup.1 represents a hydroxyl or an amino which may be substituted by an acyl group; R.sup.2 represents a hydrogen atom or an alkyl having 1 to 4 carbons; R.sup.3 represents a hydrogen or a hydroxyl; and R.sup.4 and R.sup.5 each represent a hydrogen or together form a group --R.sup.6 R.sup.7 Si--O--SiR.sup.6' R.sup.7' --, wherein R.sup.6, R.sup.7, R.sup.6' and R.sup.7' are the same or different from one another and each represent an alkyl having 1 to 4 carbons. The compounds of the present invention exhibit an excellent antitumor effect.
REFERENCES:
Dieter Habich, et al, "Synthesis of 3'-Cyano-3'-deoxy-.beta.-D-arabino-nucleosides", 1988, pp. 943-947, Synthesis.
Dong Yu et al, "Synthesis of 3'-Cyano-2',3'-dideoyadenosine and 2',3'-Dideoxy-3'-formyladenosine", 1989, pp. 3240-3342, J. Org. Chem.
CA 115(3):29817a (1991) Makuda et al.
J. Med. Chem. vol. 34(9) 2917-2919.
Scientific American (Jan. 1994) vol. 270 No. 1, Beardsley.
Matsuda Akira
Sasaki Takuma
Ueda, deceased Tohru
Sankyo Company Limited
Wilson James O.
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