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    • 4. 发明授权
    • 3-alkenyl substituted rifamycin sv compounds
    • 3-ALKENYL取代的RIFAMYCIN SV化合物
    • US3847901A
    • 1974-11-12
    • US31773272
    • 1972-12-22
    • LEPETIT SPA
    • CRICCHIO R
    • C07D498/08C07D99/02C07D99/04
    • C07D498/08
    • 1. A 3-ALKENYL RIFAMYCIN SV COMPOUND OF THE FORMULA

      (1,2-DIHYDRO-5,6,9,17,19-PENTA(HO-),23-(H3C-O-),

      2,4,12,16,18,20,22-HEPT(H3C-),1,11-DI(O=),8-(R-C(=X)-

      C(-R)=CH-),21-(R1-O-)-2,7-(EPOXYPENTADECA(1,11,13)

      TRIENIMINO)NAPHTHO(2,1-B)-FURAN

      WHEREIN R REPRESENTS HYDROGEN, ALKYL OF FROM 1 TO 8 CARBON ATOMS OR PHENYL-LOWER ALKYL, R1 REPRESENTS HYDROGEN OR ACETYL, R2 REPRESENTS HYDROGEN OR LOWER ALKYL, X REPRESENTS OXYGEN, IMINO, SUBSTITUTED IMINO, OXIMINO, SUBSTITUTED OXIMINO, HYDRAZONO OR SUBSTITUTED HYDRAZONO, SAID LOWER ALKYL GROUPS CONTAINING FROM 1 TO 4 CARBON ATOMS AND SAID SUBSTITUTED IMINO, (A), OXIMINO, (B), AND HYDRAZONO GROUPS, (C), HAVING THE HYDROGEN MEMBER SUBSTITUTED RESPECTIVELY, BY (A) DIMETHYLAMINOPROPYL OR ALPHA-METHYL-BENZYL, (B) ETHYL, PROPYL, BUTYL, OCTYL, PROPENYL, PROPYNYL, DIPROPYLMETHYL, DIPHENYLMETHYL, BENZYL, PHENETHYL, PHENYLPROPYL, PHENOXYETHYL, CARBOXYETHYL, PYRIDYLETHYL, PHENOXYETHYL OR GERANYL, OR (C) METHYL, ETHYL, DIMETHYL, DIETHYL, DIPROPYL, PHENYLPROPYL, HYDROXYETHYL, DI-(2-HYDROXYETHYL), (DIETHYLAMINO)ETHYL, BENZYL, PHENYLPROPYL, PROPENYL, CINNAMYL, (N-METHYL, -N-PHENYL), (N-METHYL, N-BENZYL) OR PHENYL GROUP AND FURTHER CHARACTERIZED IN THAT IN THE SUBSTITUTED HYDRAZONO GROUP, THE SUBSTITUENTS ON THE NITROGEN ATOM ALSO MAY FORM A HETEROCYCLIC RING OF THE GROUP CONSISTING OF PIPERAZINE, 4-METHYL-1-PIPERAZINE, MORPHOLINE, PIPERIDINE, HEPTAMETHYLENEIMINE, OCTAMETHYLENEIMINE OR 3,8-DIAZABICYCLO(3,2,1)OCTANE; AND THE 16,17; 18,19; AND 28,29-HEXAHYDRO DERIVATIVES OF SAID ALKENYL COMPOUNDS.