摘要:
The invention relates to a process for the preparation of compounds of the formula I ##STR1## in which R represents hydrogen, alkyl or aralkyl, and R.sup.1 to R.sup.6 denote identical or different radicals hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, cycloalkenylalkyl, aralkyl or aryl, both being monosubstituted, disubstituted or trisubstituted in the aryl moiety by alkyl, alkoxy, hydroxyl, halogen, nitro, methylenedioxy and/or cyano, or in which two of the radicals R.sup.1 to R.sup.6, together with the carbon atom(s) bearing them form a monocyclic or bicyclic ring system, and the remaining radicals are hydrogen, which process comprises converting, with an oxidizing agent in the presence of a silver salt, a pyrrolidine derivative of the formula II into a .DELTA..sup.1 -pyrroline derivative of the formula III, reacting the latter with hydrogen cyanide or a metal cyanide to form a nitrile of the formula IV, and subjecting the latter to solvolysis with a compound of the formula ROH.
摘要:
The invention relates to compounds of the formula I ##STR1## in which n denotes 0 or 1,R denotes hydrogen, alkyl or aralkyl, R.sup.1 denotes hydrogen or alkyl, which can optionally be substituted by amino, acylamino or benzoylamino, alkenyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, aryl or partially hydrogenated aryl, which each can be substituted by alkyl, alkoxy or halogen, arylalkyl or aroylalkyl, both of which can be substituted in the aryl radical as defined in the aforegoing, a monocyclic or bicyclic sulfur or oxygen and/or nitrogen heterocyclic radical, or a side chain of a naturally occurring aminoacid, R.sup.2 denotes hydrogen, alkyl, alkenyl or arylalkyl, Y denotes hydrogen or hydroxyl, Z denotes hydrogen or Y and Z together denote oxygen and X denotes alkyl, alkenyl, cycloalkyl, aryl, which is monosubstituted, disubstituted or trisubstituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy or 3-indolyl,and their physiologically acceptable salts, processes for their preparation, agents containing these and their use as medicaments and also bicyclic amino acids as their intermediates and processes for their preparation.
摘要:
The invention relates to new derivatives of tricyclic aminoacids, of the formula I ##STR1## in which n denotes 0 or 1, A denotes --CH.dbd.CH-- or --CH.sub.2 --CH.sub.2 --, R denotes hydrogen, alkyl or aralkyl, R.sup.1 denotes hydrogen, or alkyl, which can optionally be substituted by amino, acylamino or benzoylamino, or alkenyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, aryl or partially hydrogenated aryl, each of which can be substituted by alkyl, alkoxy or halogen, or aralkyl or aroylalkyl, both of which can be substituted as defined above, or a monocyclic or bicyclic S-, O- and/or N-heterocyclene radical, or a side chain of a naturally occurring aminoacid, which may be protected, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl and Z denotes hydrogen, or Y and Z together denote oxygen, and X denotes alkyl, alkenyl, cycloalkyl, aryl, which can be mono-, di- or tri-substituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino and/or methylenedioxy, or 3-indolyl, and physiologically acceptable salts thereof, processes for their preparation, agents containing these compounds and their use, and new bicyclic aminoacids as intermediates and processes for their preparation.
摘要:
The invention relates to a process for the preparation of compounds of the formula I ##STR1## in which n is 1 or 2, R represents hydrogen, an aliphatic, cycloaliphatic, aromatic, araliphatic, cycloaliphatic-aliphatic radical or a radical OR.sup.a or SR.sup.2, in which R.sup.a denotes alkyl, aryl or heteroaryl, R.sup.1 denotes hydrogen, an aliphatic, cycloaliphatic-aliphatic, aromatic, araliphatic, heteroaromatic radical or an aminoacid side chain, R.sup.2 and R.sup.3 are identical or different and denote hydrogen, an aliphatic, cycloaliphatic, aromatic or araliphatic radical, and R.sup.4 +R.sup.5, together with the atoms carrying them, form a heterocyclic ring system, which comprises reacting trifluoromethanesulfonic acid derivatives of the formulae II or III with aminoacid esters of the formulae IV or V respectively. The invention also relates to compounds of the formula III and a process for their preparation.
摘要:
The invention relates to compounds of the formula I ##STR1## in which A denotes a radical of the formula II ##STR2## in which E denotes a CH.sub.2 group or an NR.sup.9 radical,G denotes a radical from the group comprising S, SO, SO.sub.2, O, CO, CS or a direct bond,B denotes an amino acid,D denotes a heterocycle andR.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.9 are defined in the description, and their salts.The invention in addition relates to a process for the preparation of the compounds of the formula I and their use as pharmaceuticals.
摘要:
Compounds of the formula I ##STR1## in which the carboxyl group on carbon atom 3 is orientated in the endo-position relative to the bicyclic ring system of cis-configuration, and in which R.sup.1 denotes hydrogen, allyl, vinyl or a side-chain of a naturally occurring .alpha.-aminoacid, which may be protected, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl and Z denotes hydrogen, or Y and Z together denote oxygen, and X denotes alkyl, alkenyl or cycloalkyl, or aryl which is optionally mono-, di- or tri-substituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or denotes indol-3-yl, a process for their preparation, agents containing these compounds and their use.
摘要:
The invention relates to compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent alkyl or aryl or together form a C chain and R.sup.3 denotes alkyl or aryl, a process for their preparation and their use.
摘要:
The invention relates to compounds of the formula I ##STR1## in which n denotes 0 or 1, R denotes hydrogen, alkyl, alkenyl or aralkyl, R.sup.1 denotes hydrogen or alkyl, which can optionally be substituted by amino, acylamino or benzoylamino, alkenyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, aryl or partially hydrogenated aryl, each of which can be substituted by alkyl, alkoxy or halogen, aralkyl or aroylalkyl, both of which can be substituted in the aryl radical as defined previously, a monocyclic or bicyclic S- or O- and/or N-heterocyclic radical or a side chain of an aminoacid, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl, Z denotes hydrogen, or Y and Z together denote oxygen, X denotes alkyl, alkenyl, cycloalkyl, aryl, which can be monosubstituted, disubstituted or trisubstituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, acylamino, alkylamino, dialkylamino and/or methylenedioxy, or 3-indolyl, and to a process for their preparation, agents containing them and and their use, and to 2-azabicyclo[3.1.0]hexane derivatives as intermediates, and a process for their preparation.
摘要:
The invention relates to compounds of the formula I ##STR1## in which n denotes 1, 2, 3 or 4, R is alkyl, alkenyl cycloalkyl, aryl, optionally mono-, di- oder trisubstituted by alkyl, alkoxy, hydroxy, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or indol-3-yl, R.sup.1 denotes an optionally protected radical of a naturally occurring amino acid HOOC--CH(NH.sub.2)--R.sup.1, R.sup.2 denotes hydrogen, alkyl or optionally nitro-substituted aralkyl, R.sup.3 denotes hydrogen, alkyl or cycloalkyl or optionally nitro-substituted aralkyl and X denotes 2 hydrogen atoms or 1 oxygen atom, their physiologically tolerated salts with acids and, if R.sup.2 and/or R.sup.3 denote hydrogen, with bases, a process for their preparation, agents containing these derivatives and their use as medicaments.
摘要:
A combination of angiotensin-converting enzyme inhibitors and calcium antagonists for the treatment of proteinuria is disclosed. The invention relates to the prevention and therapy of proteinuria by administration of a combination of ACE inhibitor and calcium antagonist.