摘要:
The invention relates to novel uracil derivatives having excellent inhibiting effects on human derived thymidine phosphorylates and anti-tumor activity. The pharmaceutical compositions, anti-tumor potentiators and antitumor agents containing such novel compounds, and a process for their preparation and use are described. The novel uracil derivative compounds are represented by the general formula (1′):
摘要:
The invention relates to novel uracil derivatives having excellent inhibiting effects of human derived thymidine phosphorylase and anti-tumor activity. The pharmaceutical compositions, anti-tumor potentiators, antitumor agents containing such novel compounds, and a process for their preparation and use is described. The novel compounds satisfy the general formula (1): ##STR1##
摘要:
The invention relates to novel uracil derivatives having excellent inhibiting effects of human derived thymidine phosphorylase and anti-tumor activity. The pharmaceutical compositions, anti-tumor potentiators, antitumor agents containing such novel compounds, and a process for their preparation and use is described. The novel compounds satisfy the general formula (1): ##STR1##
摘要:
The present invention relates to D-pentofuranose derivatives represented by the following formulas (1) through (4): ##STR1## (wherein A represents a chlorobenzoyl group; R.sup.1 represents a hydrogen atom, an aliphatic lower acyl group, a substituted or unsubstituted benzoyl group; each of X and Y represents a lower alkyl group; Z represents an ethynyl group or tri-lower alkyl silylethynyl group; the sugar moiety in formula (1) represents xylose; and the sugar moiety of each of formulas (3) and (4) represents ribose). The present invention also relates to a process for preparing the compound (2) characterized by oxidizing the compound of formula (1) with a hypochlorite in the presence of a catalytic amount of 2,2,6,6-tetramethylpiperidinoxy compound, and these compounds are useful as intermediates in the synthesis of 3'-C-substituted ribonucleoside derivatives having excellent antitumor activities.
摘要:
A method of producing 3-alkoxy-1,3,5(10)-triene-6-one-steroid derivatives having, in the steroid skeleton thereof, a partial structure of A- and B-rings represented by formula (2): (wherein R represents an alkyl group, a cycloalkyl group, an alkenyl group, or an aralkyl group), including reacting a 19-norsteroid derivative having, in the steroid skeleton thereof, a partial structure of A- and B-rings represented by formula (1): with an alcohol represented by ROH (wherein R has the same meaning as defined above) and iodine in the absence of a rare earth compound catalyst. According to the method of the present invention, 3-alkoxy-1,3,5(10)-triene-6-one-steroids can be selectively produced from 19-norsteroides through a single reaction step without employment of a special catalyst.
摘要:
The invention relates an epoxysuccinamide derivative represented by a formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl or aminoalkyl group, R.sup.2 represents an aminoalkyl group which May be substituted, an aryl group which may be substituted, a heterocyclic group which may be substituted, an aralkyl group which may be substituted, or an alkyl group substituted by a heterocyclic ring which may be substituted, or R.sup.1 and R.sup.2 may form a nitrogen-containing heterocyclic ring, which may be substituted, together with the adjacent nitrogen atoms, and R.sup.3 and R.sup.4 are the same or different from each other and independently represent a hydrogen atom, or an alkyl or aralkyl group, or a salt thereof, a preparation process thereof, and a medicine comprising such a derivative or salt as an active ingredient. This compound has a specific inhibitory activity for cathepsin L and family enzymes thereof, and is useful as an agent for preventing and treating metabolic osteopathy such as osteoporosis and hypercalcemia.
摘要:
The invention relates an epoxysuccinamide derivative represented by the general formula (1) ##STR1## wherein R.sup.1 and R.sup.2 are the same or different from each other and independently represent H or an aromatic hydrocarbon group or aralkyl group which may be substituted, or R.sup.1 and R.sup.2 may form a nitrogen-containing heterocyclic ring together with the adjacent nitrogen atoms, R.sup.3 is H or an acyl group, R.sup.4 is H or an aralkyl group, and R.sup.5 is an aromatic hydrocarbon group or aralkyl group which may be substituted, or R.sup.5 may form an amino acid residue, which may be protected, together with the adjacent nitrogen atom, or a salt thereof, and a medicine comprising the derivative as an active ingredient; and this compound has an inhibiting activity against cathepsin, and particularly, specifically inhibits cathepsin L and is hence useful for prevention and treatment of osteopathy such as osteoporosis.
摘要:
A condensed-indan derivative represented by formula (1) and a pharmaceutically acceptable salt thereof: ##STR1## wherein ring A represents an optionally substituted benzene ring or naphthalene ring, or a benzene ring having a lower alkylenedioxy group, ring B represents an optionally substituted benzene ring or a benzene ring having a lower alkylenedioxy group. Y represents --N.dbd.CR-- or --CR=N--, R represents a --NR.sub.1 R.sub.2 group, an optionally substituted nitrogen-containing heterocyclic group or a --OR.sub.3 group, wherein R.sub.1 and R.sub.2 are the same or different and each is a hydrogen atom; a phenyl group; an optionally substituted nitrogen-containing heterocyclic group; or a lower alkyl group which may be substituted by at least one selected from the group consisting of an optionally substituted amino group, a lower alkoxy group, a phenyl group, a nitrogen-containing heterocyclic group, an amine oxide group substituted by a lower alkyl group or a hydroxyl group(s); R.sub.3 represents a lower alkyl group optionally substituted by a substituted amino group, except when R represents an optionally substituted nitrogen-containing heterocyclic group; ring A and ring B are a benzene ring having no substituent group.
摘要:
This invention provides a 1,1,2-triaryl-1-butene derivative of the formula ##STR1## wherein R.sub.1 and R.sub.2 each represent a lower alkyl group, one of R.sub.3 and R.sub.4 is a lower alkyl group and the other is a group of the formula ##STR2## (in which R.sub.5 is a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom or --OPO(OH).sub.2 group); or a pharmacologically acceptable salt thereof, its preparation and agents containing the derivative for treating mammary cancer and anovulatory infertility.
摘要:
A condensed indan derivative represented by the formula (1) ##STR1## wherein the ring A is an optionally substituted benzene ring or a benzene ring which has lower alkylenedioxy group(s), the ring B is an optionally substituted benzene ring or a benzene ring which has lower alkylene dioxy group(s), and R is a group --NR.sub.1 R.sub.2, an optionally substituted nitrogen-containing heterocyclic group, a group --OR.sub.3 or a group --SR.sub.4 (wherein R.sub.1 and R.sub.2 are the same or different and each represent a hydrogen atom, a phenyl group, an optionally substituted nitrogen-containing heterocyclic group, or a lower alkyl group which may be substituted by optionally substituted amino group(s), lower alkoxy group(s), phenyl group(s), nitrogen-containing heterocyclic group(s) or hydroxyl group(s), and R.sub.3 and R.sub.4 each represent a lower alkyl group which may be substituted by substituted amino group(s)), provided that at least one of the rings A and B is a substituted benzene ring and R is not --NHCH.sub.3, and salts thereof, and medical use of said derivative and salts.