Patents by Inventor Abdelmalik Slassi

Abdelmalik Slassi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6716837
    Abstract: Described herein are compounds useful in the treatment of migraine, which have the general formula: wherein: W is a CH group or a N atom; Z is N or C—R4; B and D are selected independently from CH and N, with the proviso that at least one of B and D is CH and with the further proviso that one of B and D can represent N only when W and Z are both other than N; A is a group of Formula II, III or IV, such that group A contains at least 1 N atom; NR7 is either —NH— or —N═; is a single or double bond; X is a N atom, a CH group or a C(OH) group when is a single bond; or, when is a double bond, a C atom; Y is an NH, N-alkyl, N-benzyl or CH2 group; U and V each represent a N atom or a CH group, with the proviso that both cannot be N; a and b are, independently, 0 or 1; c is an integer from 0 to 3; d is an integer from 1 to 3; e is an integer from 1 to 2; f is an integer from 0 to 3; g is an integer from 3 to 6 and h is an integer from 2 to 3; such that the sum of c a
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: April 6, 2004
    Assignee: NPS Allelix Biopharmaceuticals, Inc.
    Inventors: Louise Edwards, Methvin Isaac, Shawn Maddaford, Abdelmalik Slassi, Tao Xin
  • Patent number: 6686374
    Abstract: Described herein are compounds with affinity for the 5-HT6 receptor, which have the general formula I: wherein: R represents a group of Formula II or Formula III; one of A, B D or E is a N atom, the remainder being CH groups; R1 is selected from the group consisting of SO2Ar, C(O)Ar, CH2Ar and Ar; R2, R3 and R4 are independently selected from the group consisting of H and alkyl; represents a single or double bond, with the proviso that there is only one double bond in the ring at a time; n is an integer of from 1-3; Z is selected from the group consisting of C, CH and N, provided that when is a double bond, Z is C and when is a single bond, Z is selected from CH and N; Ar is an optionally substituted aryl group; with the proviso that when R is a group of Formula II, R1 is SO2Ar.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: February 3, 2004
    Assignee: NPS Allelix Corp.
    Inventors: Louise Edwards, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6660753
    Abstract: The present invention provides compounds and pharmaceutical compositions that act as antagonists at metabotropic glutamate receptors, and that are useful for treating neurological diseases and disorders. Methods of preparing the compounds also are disclosed.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: December 9, 2003
    Assignee: NPS Pharmaceuticals, Inc.
    Inventors: Bradford Van Wagenen, Thomas M. Stormann, Scott T. Moe, Susan M. Sheehan, Donald A. McLeod, Daryl L. Smith, Methvin Benjamin Isaac, Abdelmalik Slassi
  • Patent number: 6635639
    Abstract: Described are compounds having formula I or II: wherein: X is N, and Ak represents a C1-3 alkylene chain; and a salt, solvate or prodrug thereof.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: October 21, 2003
    Assignee: NPS Allelix Corp.
    Inventors: Jalaj Arora, Louise Edwards, Methvin Issac, Anne O'Brien, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6562809
    Abstract: Described herein are compounds selective for a 5-HT1D receptor, which have the general formula:
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: May 13, 2003
    Assignee: NPS Allelix Corp.
    Inventors: Abdelmalik Slassi, Tao Xin, Louise Edwards, Ashok Tehim
  • Publication number: 20030055085
    Abstract: The present invention provides compounds and pharmaceutical compositions that act as antagonists at metabotropic glutamate receptors, and that are useful for treating neurological diseases and disorders. Methods of preparing the compounds also are disclosed.
    Type: Application
    Filed: February 19, 2002
    Publication date: March 20, 2003
    Inventors: Bradford Van Wagenen, Thomas M. Stormann, Scott T. Moe, Susan M. Sheehan, Donald A. McLeod, Daryl L. Smith, Methvin Benjamin Isaac, Abdelmalik Slassi
  • Publication number: 20020169322
    Abstract: Described are compounds having formula I or II: 1
    Type: Application
    Filed: February 13, 2002
    Publication date: November 14, 2002
    Applicant: NPS Allexlix Corp.
    Inventors: Jalaj Arora, Louise Edwards, Methvin Isaac, Anne O'Brien, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6380242
    Abstract: The present invention is directed to compounds useful in the treatment of migraine which have the general formula (II).
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: April 30, 2002
    Assignee: NPS Allelix Corp.
    Inventors: Jalaj Arora, Louise Edwards, Methvin Isaac, Anne O'Brien, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6329390
    Abstract: Disclosed herein are compounds selective for a 5-HT1D receptor, the compounds having the general formula (I): Also disclosed is the use of these compounds as pharmaceuticals to treat indications where stimulation of a 5-HT1D receptor is indicated such as migrane.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: December 11, 2001
    Assignee: NPS Allelix Corp.
    Inventors: Abdelmalik Slassi, Jalaj Arora, Ashok Tehim
  • Publication number: 20010049441
    Abstract: Described herein are compounds with affinity for the 5-HT6 receptor, which have the general formula I: 1
    Type: Application
    Filed: December 22, 2000
    Publication date: December 6, 2001
    Applicant: Allelix Biopharmaceuticals, Inc.
    Inventors: Louise Edwards, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6251893
    Abstract: Described herein are compounds with affinity for the 5-HT6 receptor, which have the general formula: wherein R1, R2, R3 and R4 are independently selected from the group consisting of H, halo, OH, C1-6alkyl, C1-6alkoxy, C2-6alkenyl, C2-6alkynyl, C3-7cycloalkyl and others; R5 is selected from the group consisting of SO2Ar, C(O)Ar, Ar and CH2Ar; R6 and R7 are independently selected from the group consisting of H, C1-6alkyl, optionally substituted phenyl and optionally substituted benzyl; ————— represents a single or double bond; n is selected from an integer of from 1-3; X is selected from the group consisting of CR17 and N; Z is selected from the group consisting of C, CH and N, provided that when ————— is a double bond, Z is C and when ————— is a single bond, Z is selected from CH and N; Ar is an optionally substituted aromatic group selected from the group consisting of phenyl, pyridyl, thienyl,
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: June 26, 2001
    Assignee: NPS Allelix Corp.
    Inventors: Shawn Maddaford, Tao Xin, Abdelmalik Slassi, Ashok Tehim, Qi Qiao
  • Patent number: 6191141
    Abstract: Described herein are compounds with affinity for the 5-HT6 receptor, which have the general formula I: wherein: R represents a group of Formula II or Formula III; one of A, B D or E is a N atom, the remainder being CH groups; R1 is selected from the group consisting of SO2Ar, C(O)Ar, CH2Ar and Ar; R2, R3 and R4 are independently selected from the group consisting of H and alkyl; ----- represents a single or double bond, with the proviso that there is only one double bond in the ring at a time; n is an integer of from 1-3; Z is selected from the group consisting of C, CH and N, provided that when ----- is a double bond, Z is C and when ----- is a single bond, Z is selected from CH and N; Ar is an optionally substituted aryl group; with the proviso that when R is a group of Formula II, R1 is SO2Ar. Also described is the use of these compounds as pharmaceuticals to treat indications where inhibition of the 5-HT6 receptor is implicated, such as schizophrenia.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: February 20, 2001
    Assignee: NPS Allelix Corp.
    Inventors: Louise Edwards, Abdelmalik Slassi, Ashok Tehim, Tao Xin
  • Patent number: 6133287
    Abstract: Described herein are compounds with affinity for the 5-HT.sub.6 receptor, which have the general formula: wherein:R.sup.1 is selected from the group consisting of H and C.sub.1-4 alkyl;R.sup.2 is selected from the group consisting of H, C.sub.1-4 alkyl and benzyl;-- -- -- represents a single or double bond;R.sup.3 is selected from the group consisting of COR.sup.5 and SO.sub.2 R.sup.5 ;R.sup.4a is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;R.sup.4b is selected from the group consisting of H, hydroxy, halo, C.sub.3-7 cycloalkyloxy, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, benzyloxy, phenoxy, trifluoromethyl, trifluoromethoxy and vinyl;R.sup.4c is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;R.sub.4d is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; andR.sup.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: October 17, 2000
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Abdelmalik Slassi, Louise Edwards, Anne O'Brien, Tao Xin, Ashok Tehim
  • Patent number: 6103743
    Abstract: Described herein are compounds having the general formula: ##STR1## Ar.sub.1 and Ar.sub.2 are independently selected aryl groups, optionally substituted with substituents selected from the group consisting of alkyl, cycloalkyl, alkoxy, alkanoyl, aralkyl, aralkyloxy, halo, NO.sub.2, Ph, CF.sub.3, CN, OH, methylenedioxy, ethylenedioxy, SO.sub.2 NRR', NRR', CO.sub.2 R (where R and R' are independently selected from the group consisting of H and alkyl) and a second aryl group, which may be substituted as above;wherein any cycloalkyl or aryl substituent is linked to Ar.sub.1 or Ar.sub.2 by a bridging element which may be a single bond, a vinylene group, an ethynylene group, a Z group, a --Z--(CH.sub.2).sub.n -- group, a --(CH.sub.2).sub.n --Z-- group, or a --Z--(CH.sub.2).sub.n --Z-- group, where Z represents an O atom, a S atom, an NH group or an N-alkyl group, and n is an integer from 1 to 4;wherein Ar.sub.1 and Ar.sub.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: August 15, 2000
    Assignee: Allelix Neuroscience, Inc.
    Inventors: Stanley Charles Bell, Kathleen Da Silva, Allen Hopper, Methvin Isaac, Eric A. Meade, Vassil Ilya Ognyanov, Abdelmalik Slassi
  • Patent number: 6100291
    Abstract: Described herein are compounds with affinity for the 5-HT.sub.6 receptor, which have the general formula: ##STR1## wherein: R.sup.1 is selected from the group consisting of H and C.sub.1-4 alkyl;R.sup.2 is selected from the group consisting of H, C.sub.1-4 alkyl and benzyl;R.sup.3 is selected from the group consisting of COR.sup.5, SO.sub.2 R.sup.5, CONHC.sub.1-4 alkyl and C(S)SR.sup.6 ;R.sup.4a is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;R.sup.4b is selected from the group consisting of H, hydroxy, halo, C.sub.3-7 cycloalkyloxy, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, benzyloxy, phenoxy, trifluoromethyl, trifluoromethoxy and vinyl;R.sup.4c is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;R.sup.4d is selected from the group consisting of H, OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;R.sup.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: August 8, 2000
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Abdelmalik Slassi, Louise Edwards, Anne O'Brien, Tao Xin, Ashok Tehim
  • Patent number: 5998438
    Abstract: Described herein are compounds selective for a 5-HT.sub.1D -like receptor, which have the general formula: ##STR1## wherein A is selected from a six-membered, non-aromatic, optionally substituted carbocycle and a six-membered, non-aromatic, optionally substituted heterocycle having one or two heteroatoms selected from O, S, SO, SO.sub.2 and N.sup.4 ;R.sup.1 is selected from H and OH;n is 0 or 1 as permited by chemical structure;R.sup.2 is selected from CR.sup.5 CR.sup.6 CH.sub.2 NR.sup.7 R.sup.8 or a group of formula II, III or IV: ##STR2## R.sup.3 is selected from H and benzoyl; R.sup.4 is selected from H, loweralkyl, benzyl, loweralkylcarbonyl, loweralkylaminocarbonyl, loweralkylaminothiocarbonyl, loweralkanoyl, loweralkylaminoimide and loweralkoxy-substituted loweralkylene;R.sup.5 and R.sup.6 are independently selected from H, loweralkoxy and hydroxy;R.sup.7 and R.sup.8 are independently selected from H and loweralkyl or R.sup.7 and R.sup.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: December 7, 1999
    Assignee: Allelix Biopharmaceuticals, Inc.
    Inventors: Abdelmalik Slassi, Louise Edwards, Qingchang Meng, Sumanas Rakhit
  • Patent number: 5998462
    Abstract: Described herein are compounds selective for the 5-HT.sub.1D -like receptor, which have the general formula: ##STR1## wherein: R.sup.1 is linear or branched loweralkyl;R.sup.2 is selected from a group of Formula II, III, IV and V: ##STR2## R.sup.3 is selected from H and loweralkyl; R.sup.4 is selected from H and loweralkyl;One of R.sup.5 and R.sup.6 is H and the other is independently selected from H, loweralkoxy, loweralkyl and hydroxy; andn is 1-3;or a salt, solvate or hydrate thereof.Also described is the use of these compounds as pharmaceuticals to treat indications where stimulation of the 5-HT.sub.1D -like receptor is implicated, such as migraine.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: December 7, 1999
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Abdelmalik Slassi, Louise Edwards, Qingchang Meng, Sumanas Rakhit
  • Patent number: 5856510
    Abstract: Described herein are compounds selective for 5-HT.sub.1D -like receptors, which have the general formula: ##STR1## wherein: R.sup.1 is selected from H, aryl and aryl substituted with 1, 2 or 3 substituents independently selected from loweralkyl, loweralkoxy, loweralkylcarbonyl, loweralkyl-S--, loweralkyl-S(O)--, loweralkyl-SO.sub.2 -, S.dbd.C.dbd.N--, O.dbd.C.dbd.N--, halo, loweralkoxycarbonyl, nitro, amino, loweralkyl-NH--, (loweralkyl).sub.2 --N--, loweralkyl-SO.sub.2 -loweralkyl-;A is a double or triple bond;R.sup.2 is selected from a group of Formula II, III, IV and V: ##STR2## R.sup.3 is selected from H and loweralkyl; R.sup.4 is selected from H and loweralkyl;One of R.sup.5 and R.sup.6 is H and the other is independently selected from H, loweralkoxy, loweralkyl and hydroxy; andR.sup.7 and R.sup.8 are independently selected from H and loweralkyl or R.sup.7 and R.sup.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: January 5, 1999
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Oingchang Meng, Abdelmalik Slassi, Louise Edwards, Sumanas Rakhit
  • Patent number: 5770742
    Abstract: 5-Thiophene-substituted tryptamine analogs are provided, which exhibit selectivity towards 5-HT.sub.D1 receptors and consequently show potential in alleviation of the symptoms of migraine. The analogs are represented by the following general chemical formula: ##STR1## in which X represents H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or halogen, at the 4- or 5-position of the thiophene nucleus; Y represents a direct bond or a C.sub.1 -C.sub.3 alkylene group optionally substituted with hydroxyl: and Z represents amino, mono- or di-N-lower alkyl-substituted amino, or optionally N-lower alkyl-substituted pyrrolidine.
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: June 23, 1998
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Qingchang Meng, Abdelmalik Slassi, Sumanas Rakhit
  • Patent number: 5654431
    Abstract: Novel 5-alkoxy tryptamine derivatives are provided, corresponding to the general formula: ##STR1## in which R may be alkaline, X may be amino, and Y is various N-heterocyclic or N-branched chain moieties. The compounds show selective binding to 5-HT.sub.1D receptor subtypes, and have potential pharmaceutical utility in manufacture of migraine-treating drugs.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: August 5, 1997
    Inventors: Qingchang Meng, Abdelmalik Slassi, Sumanas Rakhit
  • Patent number: D285429
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: September 2, 1986
    Assignee: Chrysler Corporation
    Inventors: William A. Dayton, John E. Crain, Robert N. Hubbach
  • Patent number: D285430
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: September 2, 1986
    Assignee: Chrysler Corporation
    Inventors: William A. Dayton, John E. Crain, Robert N. Hubbach