Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
136 words
A compound of the formula ##STR83## in which R 1 is alkyl of 2 to 5 carbon atoms, allyl, benzyl, furylmethyl, wherein the furan ring is unsubstituted or substituted by bromine, or thienylmethyl, wherein the thiophene ring is unsubstituted or monosubstituted by methyl, and R 2 is hydrogen, or R 1 and R 2 together with the nitrogen are a pyrrolidine ring, R 3 is hydrogen, methyl or ethyl, R 4 and R 5 are hydrogen or R 4 is methyl or ethyl in the α-position of the pyrrole ring and R 5 is methyl, ethyl or n-propyl in the α'-position of the pyrrole ring, X is sulfur or oxygen, or N-H and Ar is phenyl, which is unsubstituted or substituted by chlorine and its therapeutically useful ammonium salts, alkali metal salts or acid addition salts.
Claim 2
Dependent Claim
136 words
A compound of the formula ##STR83## in which R 1 is alkyl of 2 to 5 carbon atoms, allyl, benzyl, furylmethyl, wherein the furan ring is unsubstituted or substituted by bromine, or thienylmethyl, wherein the thiophene ring is unsubstituted or monosubstituted by methyl, and R 2 is hydrogen, or R 1 and R 2 together with the nitrogen are a pyrrolidine ring, R 3 is hydrogen, methyl or ethyl, R 4 and R 5 are hydrogen or R 4 is methyl or ethyl in the α-position of the pyrrole ring and R 5 is methyl, ethyl or n-propyl in the α'-position of the pyrrole ring, X is sulfur or oxygen, or N-H and Ar is phenyl, which is unsubstituted or substituted by chlorine and its therapeutically useful ammonium salts, alkali metal salts or acid addition salts.
Claim 3
Dependent Claim
86 words
A compound of the formula 1 as claimed in claim 1, in which R 1 is n-butyl, benzyl, 3-thienylmethyl, 2-thienylmethyl, 3-furylmethyl or 2-furylmethyl, R 2 is hydrogen, R 3 is hydrogen, R 4 is methyl or ethyl in the α-position to the nitrogen atom of the pyrrole ring, R 5 is methyl, ethyl or n-propyl in the α'-position to the nitrogen atom in the pyrrole ring, X is sulfur, oxygen or N-H and Ar is phenyl, and its therapeutically useful ammonium salts and alkali metal salts.
Claim 4
Dependent Claim
102 words
A compound of the formula ##STR84## in which R 1 is thienylmethyl, wherein the thiophene ring is unsubstituted or monosubstituted or disubstituted by chlorine, R 2 is hydrogen, R 3 is hydrogen, methyl or ethyl, R 4 and R 5 are hydrogen or R 4 is methyl or ethyl in the α-position of the pyrrole ring and R 5 is methyl, ethyl or n-propyl in the α'-position of the pyrrole ring, X is sulfur or oxygen, or N-H and Ar is phenyl, which is unsubstituted or substituted by chlorine and its therapeutically useful ammonium salts, alkali metal salts or acid addition salts.
Claim 5
Dependent Claim
102 words
A compound of the formula ##STR84## in which R 1 is thienylmethyl, wherein the thiophene ring is unsubstituted or monosubstituted or disubstituted by chlorine, R 2 is hydrogen, R 3 is hydrogen, methyl or ethyl, R 4 and R 5 are hydrogen or R 4 is methyl or ethyl in the α-position of the pyrrole ring and R 5 is methyl, ethyl or n-propyl in the α'-position of the pyrrole ring, X is sulfur or oxygen, or N-H and Ar is phenyl, which is unsubstituted or substituted by chlorine and its therapeutically useful ammonium salts, alkali metal salts or acid addition salts.
Claim 6
Dependent Claim
31 words
A compound of the formula 3 as claimed in claim 1, in which R 1 is 3-thienylmethyl, R 2 to R 5 are hydrogen, X is oxygen and Ar is phenyl.
Claim 7
Dependent Claim
38 words
A compound of the formula 3 as claimed in claim 1, in which R 1 is 3-thienylmethyl, R 2 and R 3 are hydrogen, R 4 and R 5 are α-ethyl, X is oxygen and Ar is phenyl.
Claim 8
Dependent Claim
38 words
A compound of the formula 3 as claimed in claim 1, in which R 1 is 3-thienylmethyl, R 2 and R 3 are hydrogen, R 4 and R 5 are α-methyl, X is NH and Ar is phenyl.
Claim 9
Dependent Claim
38 words
A compound of the formula 3 as claimed in claim 1, in which R 1 is 2-thienylmethyl, R 2 and R 3 are hydrogen, R 4 and R 5 are α-methyl, X is oxygen and Ar is phenyl.
Claim 10
Dependent Claim
36 words
A compound of the formula 1 in claim 3 where R 1 is 3-thienylmethyl, R 2 and R 3 are hydrogen, R 4 is α-methyl, R 5 is α'-ethyl, X is oxygen and Ar is phenyl.
Claim 11
Dependent Claim
23 words
A pharmaceutical diuretic composition comprising an effective amount of a compound of the formula I of claim 1 and a pharmaceutically acceptable carrier.