Abstract: A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: whereby a final product such as AA: can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.

Abstract: A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: whereby a final product such as AA: can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.

Abstract: The present invention is directed to a substituted 2,3,5,7,11,11a-hexahydro[1,3]oxazolo[3,2 -a]pyrido[1,2-d]pyrazine-5,7-dione useful as an anti-HIV agent, which has the formula: as well as pharmaceutically acceptable salts thereof, compostions thereof, and methods of use thereof.

Abstract: A compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and a pharmaceutical composition, particularly an anti-HIV agent, of the formula: wherein R1, R2, R3, R4, B1 and B2 are defined in the specification.

Abstract: Is to provide a novel compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and a pharmaceutical composition, particularly an anti-HIV agent. (wherein R1 is hydrogen or lower alkyl; X is lower alkylene etc.; R2 is optionally substituted aryl; R3 is hydrogen, halogen, hydroxy, optionally substituted lower alkyl etc.; R4 is hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted cycloalkyl lower alkyl, optionally substituted aryl, optionally substituted aryl lower alkyl, optionally substituted heterocyclic group, optionally substituted heterocyclic lower alkyl etc.; A broken line indicates the presence or absence of a bond; B1 and B2 are such that any one of them is CR20R21, and the other is NR22 and, in this case, there is no broken line.

Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity, particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.

Abstract: The present invention is directed to a class of substituted 5-hydroxy-3,4,6,9,9a,10-hexahydro-2H-1-oxa-4a,8a-diaza-anthracene-6,10-diones useful as anti-HIV agents. The compounds have the formula: Z?O; R20, R21, R22, R23, R24 and R25 independently are hydrogen, C1-C8 alkyl, (C6-C14)aryl-(C1-C8)alkyl, C6-C14 aryl, or alkoxy; the stereochemistry of an asymmetric carbon represented by * shows R- or S-configuration, or a mixture thereof; RX is hydrogen; R14 is hydrogen or optionally substituted lower alkyl; R3 is hydrogen; R1 is hydrogen or lower alkyl; R is halogen; and m is 1, 2 or 3; or a pharmaceutically acceptable salt thereof.

Abstract: A synthesis approach providing an early ring attachment via a bromination to compound 1-1 yielding compound II-II whereby a final product such as AA can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.

Abstract: Is to provide a novel compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and an agent, particularly an anti-HIV agent. A compound represented by the formula: (wherein Z1 is NR4 (R4 is hydrogen, optionally substituted lower alkyl etc.), O or CH2; Z2 is optionally substituted lower alkylene or optionally substituted lower alkenylene, each may be intervened by a heteroatom group selected from group consisting O, S, SO, SO2, NR5 (R5 is selected independently from the same substituent group of R4) —N? and ?N—; R1 is hydrogen or lower alkyl; X is a single bond, a heteroatom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene each may be intervened by the heteroatom group; R2 is optionally substituted aryl; R3 is hydrogen, halogen, hydroxy, optionally substituted alkyl group etc.

Abstract: A pharmaceutical composition for use as an inhibitor of an enzyme having two divalent metal ions as an active center was found. It is possible to inhibit the activity of an enzyme by a compound capable of chelating both of the two divalent metal ions.

Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity, particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.

Abstract: A compound of the formula (I): wherein X is hydroxy or the like; Y is —C(?R2)—R3—R4 wherein R2 and R3 is oxygen atom or the like, R4 is hydrogen, optionally substituted alkyl, optionally substituted heteroaryl or the like; Z is hydrogen or the like; Z1 and Z3 each is independently a bond, alkylene or the like; Z2 is a bond, alkylene, —O— or the like; R1 is optionally substituted aryl, optionally substituted heteroaryl or the like; p is 0 to 2 and ring (A) is optionally substituted aromatic heterocycle, a tautomer of itself, a prodrug thereof, a pharmaceutically acceptable salt thereof or a solvate thereof has an integrase-inhibiting activity.

Abstract: Is to provide a novel compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and a pharmaceutical composition, particularly an anti-HIV agent. (wherein R1 is hydrogen or lower alkyl; X is lower alkylene etc.; R2 is optionally substituted aryl; R3 is hydrogen, halogen, hydroxy, optionally substituted lower alkyl etc.; R4 is hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted cycloalkyl lower alkyl, optionally substituted aryl, optionally substituted aryl lower alkyl, optionally substituted heterocyclic group, optionally substituted heterocyclic lower alkyl etc.; A broken line indicates the presence or absence of a bond; B1 and B2 are such that any one of them is CR20R21, and the other is NR22 and, in this case, there is no broken line.

Abstract: The present invention features compounds that are HIV integrase inhibitors useful in the inhibition of HIV replication, the prevention and/or treatment of infection by HIV, and in the treatment of AIDS and/or ARC.

Abstract: [Object] Is to provide a novel compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and an agent, particularly an anti-HIV agent. [Solving means] A compound represented by the formula: (wherein Z1 is NR4 (R4 is hydrogen, optionally substituted lower alkyl etc.), O or CH2; Z2 is optionally substituted lower alkylene or optionally substituted lower alkenylene, each may be intervened by a heteroatom group selected from group consisting O, S, SO, SO2, NR5 (R5 is selected independently from the same substituent group of R4)—N? and ?N—; R1 is hydrogen or lower alkyl; X is a single bond, a heteroatom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene each may be intervened by the heteroatom group; R2 is optionally substituted aryl; R3 is hydrogen, halogen, hydroxy, optionally substituted alkyl group etc.

Abstract: The present invention features compounds that are HIV integrase inhibitors and therefore are useful in the inhibition of HIV replication, the prevention and/or treatment of infection by HIV, and in the treatment of AIDS and/or ARC.

Abstract: The present invention provides an integrase inhibitor. The inventors have have found the following compound of formula (I) possessing an integrase inhibitory activity.

Abstract: A pharmaceutical composition for use as an inhibitor of an enzyme having two divalent metal ions as an active center was found.