US2003181730A1PendingUtilityA1
Novel benzimidazole derivatives
Est. expiryMar 25, 2017(expired)· nominal 20-yr term from priority
C07D 403/12
48
PatentIndex Score
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Claims
Abstract
This invention provides compounds having the structure: wherein each of R 1 , R 2 , R 3 and R 9 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each dashed line represents a single bond or a double bond with the proviso that if R 1 is present, R 3 is absent and there is a double bond between N at position 3 and C at position 2 and a single bond between C at position 2 and N at position 1 and if R 3 is present, R 1 is absent and there is a double bond between N at position 1 and C at position 2 and a single bond between C at position 2 and N at position 3; wherein each of R 4 , R 5 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4; and wherein each of R 7 and R 8 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; phenyl or substituted phenyl. These compounds are selective for cloned human alpha 2 receptors and are useful as analgesic, sedative or anaesthetic agents.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A compound having the structure:
wherein each of R 1 , R 2 , R 3 and R 9 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each dashed line represents a single bond or a double bond with the proviso that if R 1 is present, R 3 is absent and there is a double bond between N at position 3 and C at position 2 and a single bond between C at position 2 and N at position 1 and if R 3 is present, R 1 is absent and there is a double bond between N at position 1 and C at position 2 and a single bond between C at position 2 and N at position 3; wherein each of R 4 , R 1 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4; and wherein each of R 7 and R 8 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; phenyl or substituted phenyl.
2 . A compound having the structure:
wherein each of R 1 , R 2 and R 3 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; and wherein each of R 4 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4.
3 . The compound of claim 1 , wherein R 4 is H.
4 . The compound of claim 1 , wherein R 4 is Br.
5 . The compound of claim 1 , wherein R 4 is Cl.
6 . The compound of claim 1 , wherein R 4 is CH 3 .
7 . The compound of claim 1 , wherein R 6 is Cl.
8 . The compound of claim 1 , wherein R 6 is CH 3 .
9 . The compound of claim 1 , wherein R 4 is Br and R 6 is Cl.
10 . The compound of claim 1 , wherein R 4 and R 6 are both Cl.
11 . The compound of claim 1 , wherein R 1 is CH(CH 3 ) 2 and R 4 is Br.
12 . The compound of claim 1 , wherein R 2 is CH(CH 3 ) 2 and R 4 is Br.
13 . The compound of claim 1 having the structure:
14 . The compound of claim 1 having the structure:
15 . The compound of claim 1 having the structure:
16 . The compound of claim 1 having the structure:
17 . The compound of claim 1 having the structure:
18 . The compound of claim 1 having the structure:
19 . The compound of claim 1 having the structure:
20 . The compound of claim 1 having the structure:
21 . The compound of claim 1 having the structure:
22 . The compound of claim 1 having the structure:
23 . A pharmaceutical composition comprising a therapeutically effective amount of the compound of claims 1 or 2 and a pharmaceutically acceptable carrier.
24 . A method for treating an alpha-2 adrenergic receptor associated disorder in a subject which comprises administering to the subject an amount of a compound having the structure:
wherein each of R 1 , R 2 , R 3 and R 9 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each dashed line represents a single bond or a double bond with the proviso that if R 1 is present, R 3 is absent and there is a double bond between N at position 1 and and C at position 2 and a single bond between C at position 2 and N at position 3 and if R 3 is present, R 1 is absent and there is a double bond between N at position 3 and C at position 2 and a single bond between C at position 2 and N at position 1; wherein each of R 4 , R 5 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4; and wherein each of R 7 and R 8 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; phenyl or substituted phenyl.
25 . The method of claim 24 , wherein the compound administered to the subject has the structure:
wherein each of R 1 , R 2 and R 3 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each of R 4 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4.
26 . A method for alleviating pain in a subject which comprises administering to the subject an amount of a compound having the structure:
wherein each of R 1 , R 2 , R 3 and R 9 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each dashed line represents a single bond or a double bond with the proviso that if R 1 is present, R 3 is absent and there is a double bond between N at position 1 and and C at position 2 and a single bond between C at position 2 and N at position 3 and if R 3 is present, R 1 is absent and there is a double bond between N at position 3 and C at position 2 and a single bond between C at position 2 and N at position 1; wherein each of R 4 , R 5 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ,) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4; and wherein each of R 7 and R 8 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; phenyl or substituted phenyl.
27 . The method of claim 26 , wherein the compound administered to the subject has the structure:
wherein each of R 1 , R 2 and R 3 is independently H; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; acyl, phenyl, substituted phenyl, or heteroaryl; wherein each of R 4 and R 6 is independently H, F, Cl, Br, I; straight chain or branched, substituted or unsubstituted C 1 -C 7 alkyl, C 2 -C 7 alkenyl or alkynyl; C 3 -C 7 cycloalkyl or cycloalkenyl; phenyl, substituted phenyl, heteroaryl, —OH, —OR 7 , —CN, —COR 7 , —CO 2 R 7 , —CON(R 7 ) 2 , —OCOR 7 , —SR 7 , —N(R 7 ) 2 , —NR 7 COR 7 , —(CH 2 ) n OR 7 , —(CH 2 ) n N(R 7 ) 2 , —(CH 2 ) n NR 7 COR 7 , wherein n is an integer from 1 to 4.
28 . The method of claim 27 , wherein the compound administered to the subject has the structure:Join the waitlist — get patent alerts
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