Abstract: The present invention provides the following compound having anti-HIV activity of formula: wherein, A1 is C, CR1A or N; A2 is C, CR2A, or N; A3 is CR3A, CR3AR3B, N, NR3C, O, S, SO, or SO2; A4 is CR4A, CR4AR4B, N, NR4C, O, S, SO, or SO2; A5 is C, CR5A, or N; T1 ring is substituted or unsubstituted monocyclic carbocycle or substituted or unsubstituted monocyclic heterocycle; R1 is halogen, cyano, nitro or —X1—R11; R2 is substituted or unsubstituted alkyl and the like; n is 1 or 2; R3 is hydrogen, substituted or unsubstituted aromatic carbocyclyl; R4 is hydrogen or a carboxy protecting group; the other symbols are as specified in the description.

Abstract: The present invention is related to a compound represented by formula (I), wherein X1, X2, X3, X4, X5, R5, R6, R7, R8, n, p, q, ring A and ring B are as described in the specification, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides the following compound having anti-HIV activity of formula: wherein, A1 is C, CR1A or N; A2 is C, CR2A, or N; A3 is CR3A, CR3AR3B, N, NR3C, O, S, SO, or SO2; A4 is CR4A, CR4AR4B, N, NR4C, O, S, SO, or SO2; A5 is C, CR5A, or N; T1 ring is substituted or unsubstituted monocyclic carbocycle or substituted or unsubstituted monocyclic heterocycle; R1 is halogen, cyano, nitro or —X1—R11; R2 is substituted or unsubstituted alkyl and the like; n is 1 or 2; R3 is hydrogen, substituted or unsubstituted aromatic carbocyclyl; R4 is hydrogen or a carboxy protecting group; the other symbols are as specified in the description.

Abstract: An object of the invention is to provide, in porous thermal insulating firebricks formed by molding and drying bubble-containing slurry obtained by foaming slurry containing a fire resistant powder and water, a thermal insulating firebrick superior in thermal insulating property in spite of the same composition and porosity. A porous thermal insulating firebrick formed by molding and drying bubble-containing slurry obtained by foaming slurry containing a fire resistant powder with a heat resistant temperature of 1,000° C. or higher and water has the porosity of 60% or more, and 80% or more volume with respect to a total pore volume of the inside of the thermal insulating firebrick consists of pores having a pore size of 200 ?m or less.

Abstract: The present invention is related to a compound represented by formula (I), wherein X1, X2, X3, X4, X5, R5, R6, R7, R8, n, p, q, ring A and ring B are as described in the specification, or a pharmaceutically acceptable salt thereof.

Abstract: An object of the invention is to provide, in porous thermal insulating firebricks formed by molding and drying bubble-containing slurry obtained by foaming slurry containing a fire resistant powder and water, a thermal insulating firebrick superior in thermal insulating property in spite of the same composition and porosity. A porous thermal insulating firebrick formed by molding and drying bubble-containing slurry obtained by foaming slurry containing a fire resistant powder with a heat resistant temperature of 1,000° C. or higher and water has the porosity of 60% or more, and 80% or more volume with respect to a total pore volume of the inside of the thermal insulating firebrick consists of pores having a pore size of 200 ?m or less.

Abstract: Provided is a compound or a pharmaceutically acceptable salt thereof which inhibits the activity of PI3K to regulate many biological processes including the growth, differentiation, survival, proliferation, migration, metabolism, and the like of cells and is therefore useful for the prophylaxis/therapy of diseases including inflammatory diseases, arteriosclerosis, vascular/circulatory diseases, cancer/tumors, immune system diseases, cell proliferative diseases, infectious diseases, and the like. The above problem was solved by providing a urea derivative shown in the present specification, or a pharmaceutically acceptable salt thereof.

Abstract: It is an object of the present invention to provide a compound or a pharmaceutically acceptable salt thereof which inhibits the activity of PI3K to regulate many biological processes including the growth, differentiation, survival, proliferation, migration, metabolism, and the like of cells and is therefore useful for the prophylaxis/therapy of diseases including inflammatory diseases, arteriosclerosis, vascular/circulatory diseases, cancer/tumors, immune system diseases, cell proliferative diseases, infectious diseases, and the like. The above problem was solved by providing a ring-fused azole compound shown in the present specification, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides compounds or a pharmaceutically acceptable salt thereof which inhibit the activity of PI3K to regulate many biological processes including the growth, differentiation, survival, proliferation, migration, metabolism, and the like of cells and are therefore useful for the prophylaxis/therapy of diseases including inflammatory diseases, arteriosclerosis, vascular/circulatory diseases, cancer/tumors, immune system diseases, cell proliferative diseases, infectious diseases, and the like. The above problem was solved by providing a ring-fused morpholine compound shown in the present specification, or a pharmaceutically acceptable salt thereof.

Abstract: The purpose of the present invention is to provide a compound or a pharmaceutically acceptable salt thereof which inhibits the activity of PI3K to regulate many biological processes including the growth, differentiation, survival, proliferation, migration, metabolism, and the like of cells and is therefore useful for the prevention/treatment of diseases including inflammatory diseases, arteriosclerosis, vascular/circulatory diseases, cancer/tumors, immune system diseases, cell proliferative diseases, infectious diseases, and the like. This was achieved by providing a substituted 2-amino-5,6-nitrogenated fused ring compound shown in the present specification, or a pharmaceutically acceptable salt thereof.