20-ALKYL-7-OXOPROSTACYCLINDERIVATE UND VERFAHREN ZU IHRER HERSTELLUNG

摘要

20-alkyl-7-oxoprostacycline derivatives having the general formula (I) wherein R1 is either the rest OR3, R3 representing hydrogen or alkyl comprising from 1 to 10 atoms of carbon optionally substituted by halogen, phenyl, alkoxy having from 1 to 4 atoms of carbon or dialkylamino having from 1 to 4 atoms of carbon, cycloalkyl, aryl or a heterocyclic rest, or the rest NHR4, R4 representing hydrogen or an alkanoyl or alkansulphonyl rest having from 1 to 10 atoms of carbon; n is 1 or 2; A is a group-CH2-CH2-, cis -CH=CH- or trans -CH=CH-; W is a groupe (II) or (III) wherein the group OH may be esterified with benzoyl or alkane acid rest having from 1 to 4 atoms of carbon or etherified with a tetrahydropyranol-, tetrahydrofuranyl-, alkoxyalkyl-, or trialkylsilyle rest, the free or esterified OH group being in the alpha or beta position; R2 is a straight or branched chain alkyl comprising from 1 to 6 atoms of carbon; R5 is a hydroxy group esterified with an alkane acid rest having from 1 to 4 atoms of carbon or etherified with tetrahydropyranyl-, tetrahydrofuranyl-, alkoxy alkyl- or trialkylsilyle rest; R6 and R7 are hydrogen or a straight or branched chain alkyl having from 1 to 4 atoms of carbon or R6 and R7 form together a trimethylene radical, R8 and R9 form together a bound, hydrogen or a straight or branched chain alkyl having from 1 to 4 atoms of carbon and if R3 is hydrogen, the salts thereof with physiologically compatible bases; production thereof and utilization thereof as medicine.