Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Patent
1990-04-04
1993-01-12
Rivers, Diana G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
514 87, 544243, 544244, A61K 31675, C07F 96512
Patent
active
051790840
ABSTRACT:
The present invention relates to phosphoric acid esters of oxetanocins having an antiviral activity which are represented by general formula (I): ##STR1## wherein R.sub.1 represents a phosphoric acid ester residue, X represents hydrogen, hydroxy or hydroxymethyl group, and B represents a purine base residue, and pharmacologically acceptable salts thereof.
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Hasegawa Shigeru
Hoshino Hiroo
Kitagawa Masayuki
Matsubara Kenichi
Nagahata Takemitsu
Nippon Kayaku Kabushiki Kaisha
Rivers Diana G.
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