摘要:
New PGI.sub.2 derivatives and a process for their preparation are disclosed of the formula (I) ##STR1## wherein Q is hydrogen, a pharmacologically acceptable cation, or lower alkyl;A is cis or trans --CH.dbd.CH--, --C.tbd.C--, or --CH.sub.2 --CH.sub.2 --;R.sup.13 is hydrogen or a C.sub.1 to C.sub.4 alkanoyl or is a blockinggroup of the formula R.sup.7 R.sup.8 R.sup.9 Si or ##STR2## wherein R.sup.7, R.sup.8 and R.sup.9 are the same or different and can be straight or branched chain alkyl groups having 1 to 4 carbon atoms and R.sup.10 and R.sup.11 are the same or different and can be hydrogen or methyl, and R.sup.12 represents methyl or ethyl, or is tetrahydropyran-2-yl;R.sup.4 is hydrogen or lower alkyl inthe .alpha. or .beta. steric position;R.sup.1 and R.sup.2 are each hydrogen or lower alkyl;Y is methylene, oxygen or an --NH-- group; andR.sup.3 is lower alkyl or phenyl which can be monosubstituted phenyl. The compounds are useful as antiaggregation or thrombus-dissolving agents, stomach juice secretion inhibiting agents and antiasthmatic agents.
摘要翻译:公开了新的PGI 2衍生物及其制备方法,式(I)其中Q为氢,药理学可接受的阳离子或低级烷基; A是顺式或反式-CH = CH - , - C 3BOND C - 或-CH 2 -CH 2 - ; R 13是氢或C 1至C 4烷酰基或是式R 7 R 8 R 9 Si或其中R 7,R 8和R 9相同或不同并且可以是具有1至4个碳原子的直链或支链烷基和R 10和 R 11相同或不同,可以是氢或甲基,R 12表示甲基或乙基,或是四氢吡喃-2-基; R4是氢或在α或β位置的低级烷基; R1和R2各自为氢或低级烷基; Y是亚甲基,氧或-NH-基团; 并且R 3是可以是单取代的苯基的低级烷基或苯基。 该化合物可用作抗凝聚剂或血栓溶解剂,胃液分泌抑制剂和抗哮喘剂。
摘要:
The invention relates to a process for the preparation of novel 4-oxo-PGI.sub.2 derivatives of formula I ##STR1## where (a) compounds of formula III ##STR2## are oxidized, then the obtained 5-substituted-4-oxo-PGI.sub.1 derivatives of general formula II ##STR3## are eliminated by the splitting off of the W-H-molecule, or (b) the compounds of formula IV ##STR4## are reacted in a solvent in the presence of a catalyst with compounds of general formula V ##STR5## then the obtained compounds of formula I are transformed if desired by saponification, hydrolysis, salt formation, insertion of a protection group to another compound which belongs to the compounds of formula I, too.The pharmaceutical products of the invention can be used for the treatment of circulatory diseases, they inhibit the aggregation of blood plaques, dilate the bronchi and inhibit the secretion of gastric acid.
摘要:
The invention relates to new optically active or racemic 13-thia-prostacycline derivatives of the Formula I ##STR1## wherein R.sup.1 is hydrogen, a pharmaceutically acceptable cation or a straight or branched chain alkyl group having 1-5 carbon atoms;R.sup.2 is straight or branched chain alkyl having 4-9 carbon atoms or monosubstituted phenoxymethyl;--A--B-- is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH-- of Z-- or E-- configuration or --C.tbd.C--;one of the symbols X and Y is hydrogen, methyl or ethyl and the other is hydroxy, tetrahydropyranyoxy, 1-ethoxy-ethoxy or trialkylsilyloxy; orX and Y together form a --O--CH.sub.2 --CH.sub.2 --O-- group;Z is a sulfur atom or a --SO-- group.The compounds of the Formula I can be prepared by reacting a 13-thia-prostaglandine of the Formula III ##STR2## if desired after oxidation into the corresponding 13-oxide derivative--with a halogenating agent; and treating the 5-halogeno-13-thia-prostacycline of the Formula II ##STR3## thus obtained wherein E is halogen with an organic or inorganic base; and thereafter if desired removing the protecting groups X and/or Y and if desired converting a compound of the Formula I obtained into a salt or setting free the same from a salt. The new compounds of the Formula I possess anti-coagulant and hypotensive properties and can be used in therapy.
摘要:
A process for the preparation of bicyclic enon compounds in which a lactone diol is selectively oxidized to obtain a hydroxy-aldehyde with one hydroxyl group and, without isolation, the hydroxy-aldehyde is reacted with a phosphorus compound. The reaction product can be acylated or silylated.
摘要:
Compounds of the formula ##STR1## are disclosed wherein R.sup.1 stands for hydrogen, C.sub.1-4 straight or branched alkyl or pharmacologically acceptable cation,R.sup.2 stands for hydrogen, C.sub.1-4 alkanoyl, benzoyl, or benzoyl substituted by C.sub.1-4 alkyl or halogen, and R.sup.2 can further represent tetrahydropyranyl, trialkylsilyl or alkoxyalkyl,A stands for ethylene, cis or trans-vinylene or --C.dbd.C--,n may represent 2, 3 or 4. The compounds are highly effective in the inhibition of thrombocyte aggregation while at the same time exert only a very small hypotensive effect.
摘要:
A process for the preparation of optically active or racemic lactone diol derivatives of the formula ##STR1## (for use as intermediates in the Corey prostaglandin synthesis). Optically active or racemic lactone diol derivatives are inclosed, in whichR.sup.3 and R.sup.4 are the same or different and stand for a hydrogen, or a lower alkanoyl optionally substituted with one, two or three halogen atoms, or form together a ##STR2## group, in which R.sup.5 and R.sup.6 are the same or different and stand for a hydrogen, alkyl or aryl, with a process for preparing them.According to the invention the above compound are prepared by reacting optically active or racemic lactone of the formula II with formaldehyde or with a formaldehyde polymerisate, in the presence of the mixture of a strong acid and water or of a lower alkane carboxylic acid optionally substituted with one, two or three halogen atoms, and then optionally subjecting the obtained compound of the general formula I, in which R.sup.3 and/or R.sup.4 stand for an alkanoyl optionally substituted with one, two or three halogen atoms to partial or total hydrolysis or alcoholysis in an acid or alkaline medium and/or reacting it with the oxo-compounds of the formula R.sup.5 --CHO or R.sup.6 --CO--R.sup.5 or with the acetals of the above compounds.The compounds according to the invention are useful intermediates in the Corey prostaglandine synthesis.
摘要:
A compound of the formula is disclosed. ##STR1## wherein R.sup.3 and R.sup.4 are the same or different and are each hydrogen, lower alkanoyl, lower alkanoyl substituted by 1, 2, or 3 halogen atoms, or R.sup.3 and R.sup.4 together form an ##STR2## group in which R.sup.5 and R.sup.6 are the same or different and are each hydrogen, alkyl or aryl as well as a process for the preparation thereof.
摘要:
The invention relates to novel interfuranylene-prostacyclin derivatives of the general formula (I) ##STR1## wherein R.sup.1 stands for hydrogen or a straight or branched chain C.sub.1-6 alkyl group, an inorganic cation or for the protonated form of a base containing an amino group;R.sup.2 stands for hydrogen, a C.sub.1-4 alkanoyl or benzoyl group, a monosubstituted benzoyl, trialkylsilyl or an alkoxyalkyl group;R.sup.3 stands for a straight or branched chain C.sub.1-6 alkyl group, a phenyl group optionally substituted by halogen or by a C.sub.1-4 alkyl group, a heteroaryl group optionally substituted by halogen or by a C.sub.1-4 alkyl group or a cycloalkyl group;A stands for an ethylene or for a cis- or trans-vinylene or --C.tbd.C-- group;B means a chemical bond, a --CHR.sup.5 --, --CHR.sup.5 --CH.sub.2 -- or a --CH.sub.2 --O-- group: andR.sup.5 means hydrogen or a C.sub.1-4 alkyl group.The compounds of the formula (I) can be used therapeutically as platelet aggregation inhibiting, anti-thrombotic, hypotensive and anti-antherosclerotic agents; they are much more stable than the natural prostacyclin derivatives.
摘要:
The invention relates to new 7-oxo-PGI.sub.2 -ephedrine salt analogues of the Formula I ##STR1## wherein A stands for --(CH.sub.2).sub.2 --, cis or trans --CH.dbd.CH-- or --C.tbd.C--;R.sup.1 is lower alkyl or hydrogen;B represents a chemical bond, --CH.sub.2 -- or --CR.sup.2 R.sup.3 ;R.sup.2 stands for lower alkyl or hydrogen;R.sup.3 represents lower alkyl or hydrogen;X is a chemical bond, --O-- or --CH.sub.2 --;R.sup.4 stands for C.sub.1-6 alkyl, C.sub.4-7 cycloalkyl, C.sub.1-6 fluoroalkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, phenyl, substituted phenyl or heteroaryl.The salts of the Formula I show the same pharmacological profile as the sodium salt of PGI.sub.2, they inhibit blood aggregation and the secretion of gastric acid, are useful in the prevention of anginal attacks. Accordingly the salts of the present invention are useful in the prevention of peripheral vascular diseases, in improving circulation of extremities, in relieving the seriousness of cardiac infarction and also in the treatment and prevention of gastrointestinal ulcer and acute or chronical liver injury.
摘要:
2,3,4-trinor-1,5-inter-m-phenylene-prostacycline derivatives of the formula (I), ##STR1## wherein R.sup.1 is hydrogen, a C.sub.1-4 alkyl group, an alkali metal cation or a primary, secondary, tertiary or quaternary ammonium cation,R.sup.2 and R.sup.3 each represent hydrogen or a C.sub.1-4 alkanoyl, benzoyl, substituted benzoyl, tetrahydropyranyl, ethoxyethyl or tri-(C.sub.1-4 alkyl)-silyl group,R.sup.4 is hydrogen or a C.sub.1-4 alkyl group, andR.sup.5 is a hexyl, heptyl, phenoxymethyl or m-trifluoromethylphenoxymethyl group, orR.sup.5 represents a group of the general formula ##STR2## and in this latter formula Z is an amino group or an optionally halo-substituted C.sub.1-4 alkanoylamino, benzoylamino or tosylamino group, andR.sup.6 is a C.sub.4-6 alkyl, phenyl or benzyl group,are prepared by reacting a bicyclic lactol of the formula (II), ##STR3## with a reactive phosphorane prepared from a triphenyl-m-carbobenzylphosphonium halide and a strong base, optionally esterifying the resulting prostaglandin derivative and, whenever it contains a free amino group, protecting this amino group by acylation, reacting then the prostaglandin derivative with an electrophilic reagent of the formula E-X, wherein X is halogen atom and E is halogen atom or an acetyl, trifluoroacetyl or N-succinimido group, and subjecting the resulting halogenated PGI.sub.1 derivative to hydrogen halide elimination. The compounds of the formula (I) possess valuable biological effects and can be applied in therapy primarily as blood platelet aggregation inhibiting agents.