摘要:
The present invention relates to a group of 17-(3-furyl)- and (4-pyridazinyl) 5.beta.,14.beta.-androstane derivatives, active on the cardiovascular system, to processes for their preparation and to pharmaceutical compositions containing same for the treatment of cardiovascular disorders such as heart failure and hypertension.
摘要:
17-Heterocyclyl-5.alpha.-14.beta.-androstane, androstene and androstadiene of formula (I): ##STR1## wherein: Y is oxygen or guanidinoimino, when a double bond exists at position 3;Y is hydroxy, OR.sup.2 or SR.sup.2, when a single bond exists at position 3;R is a saturated or unsaturated mono- or biheterocyclic ring, containing one or more heteroatoms selected from the group consisting of oxygen, sulfur, and nitrogen, unsubstituted or substituted by one or more of halogen, hydroxymethyl, alkoxy, amino, alkylamino, dialkylamino, cyano, nitro, sulfonamido, C.sub.1 -C.sub.6 lower alkyl or COR.sup.3 ; andR.sup.1 is hydrogen, methyl, ethyl or n-propyl substituted by OH or NR.sup.4 R.sup.5.
摘要:
The present invention relates to new cyclopentanperhydrophenanthren-17-(hydroxy or alkoxy)-17-(aryl or heterocyclyl)-3.beta.-derivatives, active on the cardiovascular system, to a process for their preparation and to pharmaceutical compositions containing them. The invention relates to compounds of general formula (I) ##STR1## wherein X is O or S and R, R.sup.1 and R.sup.2 is selected from various groups.
摘要:
Cyclopentanperhydrophenantren-17.beta.-(3-furyl)-3-derivatives and pharmaceutical compositions containing same for the treatment of cardiovascular disorders such as heart failure and hypertension, are disclosed.
摘要:
An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formula (I): where X1 and X2, which may be the same or different, are hydroxy, C1-C4 alkoxy, phenoxy, halogen, or X1 and X2, when taken together are an oxygen atom and the resulting compound is a derivative of succinic anhydride; Y is halogen, the mesyloxy or the tosyloxy group: and subsequent treatment with water, then with a base and then with trimethylamine.
摘要:
Seco-D steroid derivatives having the formula ##STR1## wherein R, R.sup.1, R.sup.2 and R.sup.3 have the meanings specified in the specification, useful as cardiovascular agents and pharmaceutical compositions containing same, are disclosed.
摘要:
Cyclopentanperhydrophenantren-17.beta.-(3-furyl)-3-derivatives and pharmaceutical compositions containing same for the treatment of cardiovascular disorders such as heart failure and hypertension, are disclosed.
摘要:
14-Deoxy-14.alpha.-cardenolides 3.beta.-thioderivatives and pharmaceutical compositions comprising same for treating cardiovascular disorders, such as heart failure and hypertension, are disclosed.
摘要:
The present invention relates to a new process for the preparation of 3-substituted derivatives of 1-amino-2- hydroxy-propane in the form of single diastereoisomers, to certain of these diastereoisomers, and to compounds which are intermediates in the new process of the invention.