Abstract:
The invention relates to a novel cyclic hexapeptide having antifungal and antipneumocystic activity as well as pharmaceutical compositions comprising, methods of treating using, and a process for preparing the claimed compounds.
Abstract:
Novel multicyclic erythromycin compounds and pharmaceutically acceptable salts and esters thereof having antibacterial activity having a formula selected from the group consisting of (I), (II), (III), (IV) and (V), compositions comprising a therapeutically eff ective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier, as well as a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically effective amount of a compound of formulas (I)-(V).
Abstract:
Un compuesto que tiene la fórmula o una sal farmacéuticamente aceptable del mismo, en la que X es =O, Ra es hidroxi; Rb es hidrógeno; Rc es hidrógeno y Rd es hidroxi; Re es metoxi; Rf es hidrógeno; y R se selecciona entre el grupo compuesto por (2) alquilo C2-C10 sustituido con uno o más sustituyentes seleccionados entre el grupo compuesto por (a) halógeno, (b) hidroxi, (c) alcoxi C1-C3, (d) alcoxi C1-C3-alcoxi C1-C3, (e) oxo, (f) -N3, (g) -CHO, (h) O-SO2-(alquilo C1-C6 sustituido), (i) -NR15R16 en la que R15 y R16 se seleccionan entre el grupo compuesto por (i) hidrógeno, (ii) alquilo C1-C12, (iii) alquilo C1-C12 sustituido, (iv) alquenilo C1-C12, (v) alquenilo C1-C12 sustituido, (vi) alquinilo C1-C12, (vii) alquinilo C1-C12 sustituido, (viii) arilo, (ix) cicloalquilo C3-C8, (x) cicloalquilo C3-C8 sustituido, (xi) arilo sustituido, (xii) heterocicloalquilo, (xiii) heterocicloalquilo sustituido, (xiv) alquilo C1-C12 sustituido con arilo, (xv) alquilo C1-C12 sustituido con arilo sustituido,(xvi) alquilo C1-C12 sustituido con heterocicloalquilo, (xvii) alquilo C1-C12 sustituido con sustituido heterocicloalquilo, (xviii) alquilo C1-C12 sustituido con cicloalquilo C3-C8, (xix) alquilo C1-C12 sustituido con cicloalquilo C3-C8 sustituido, (xx) heteroarilo, (xxi) sustituido heteroarilo, (xxii) alquilo C1-C12 sustituido con heteroarilo, y (xxiii) alquilo C1-C12 sustituido con heteroarilo sustituido, o R15 y R16 tomados junto con el átomo al que están unidos forman morfolinilo; (3) alquenilo C4-C10; y (4) alquinilo C3-C10.
Abstract:
Novel 6,11-bridged erythromycin compounds and pharmaceutically acceptable salts and esters thereof having antibacterial activity having formula (I) or (II); compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier; a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically-effective amount of a compound of the invention; and processes for their preparation.
Abstract:
Novel 6,11-bridged erythromycin compounds and pharmaceutically acceptable salts and esters thereof having antibacterial activity having formula (I) or (II); compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier; a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically-effective amount of a compound of the invention; and processes for their preparation.
Abstract:
Compounds having the formula (I) wherein -OR1 comprises alkanoyl or the C-13 side-chain of taxol; R2, R3, and R6 can be oxygenated or hydrogen in various combinations; and R4 and R5 are acyl groups, as well as a process for the preparation thereof, pharmaceutical compositions containing the above compounds, and a method for their use in inhibiting tumor growth.
Abstract:
Novel 6,11-bridged erythromycin compounds and pharmaceutically acceptable salts and esters thereof having antibacterial activity having formula (I) or (II); compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier; a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically-effective amount of a compound of the invention; and processes for their preparation.