摘要:
Esters of N6-oxa, thia, thioxa and azacycloalkyl substituted adenosine derivatives having the following formula; wherein the compounds are selective adenosine type 1 receptor agonists that are useful for the treatment cardiovascular diseases and central nervous system disorders.
摘要:
Osmium-catalyzed methods of addition to an olefin are discussed. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an oxidant and an osmium-containing compound are combined. In the method of asymmetric oxyamination of the present invention, an olefin, a chiral ligand, an organic solvent, water, a metallochloramine derivative, an osmium-containing compound and, optionally, a tetraalkyl ammonium compound are combined. In the method of asymmetric diamination of the present invention, an olefin, a chiral ligand, an organic solvent, a metallo-chloramine derivative, an amine and an osmium-containing compound are combined. In one embodiment, an olefin, a chiral ligand which is a polymeric dihydroquinidine derivative or a dihydroquinine derivative, acetone, water, a base, an oxidant and osmium tetroxide are combined to effect asymmetric dihydroxylation of the olefin.
摘要:
&agr;-ketoamide compounds useful for treating disorders mediated by 20S proteasome in mammals having the following formula: wherein X2 is Ar or Ar—X3 wherein X3 is is —C═O, or —CH2CO—, and wherein Ar is phenyl, substituted phenyl, indole, substituted indoles, and any other heteroaryls; R1, and R2 are each individually selected from the side chains of the known natural &agr;-amino acids and unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear, branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle substituted heterocycle, heteroaryl and substituted heteroaryl; X1 is selected from hydroxide, monoalkylamino, dialkylamino, alkoxide, arylkoxide and wherein X4 is hydroxide, arylamino, monoalkylamino, dialkylamino, alkoxide, or arylalkoxide; and R3 is selected from the known natural &agr;-amino acids, unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear and branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle, substituted heterocycle, heteroaryl and substituted heteroaryl.
摘要:
.alpha.-ketoamide compounds useful for treating disorders mediated by 20S proteasome in mammals having the following formula: wherein X.sub.2 is Ar or Ar--X.sub.3 wherein X.sub.3 is --C.dbd.O, or --CH.sub.2 CO--, and wherein Ar is phenyl, substituted phenyl, indole, substituted indoles, and any other heteroaryls; R.sub.1, and R.sub.2 are each individually selected from the side chains of the known natural .alpha.-amino acids and unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear, branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle substituted heterocycle, heteroaryl and substituted heteroaryl; X.sub.1 is selected from hydroxide, monoalkylamino, dialkylamino, alkoxide, arylkoxide and ##STR1## wherein X.sub.4 is hydroxide, arylamino, monoalkylamino, dialkylamino, alkoxide, or arylalkoxide; and R.sub.3 is selected from the known natural .alpha.-amino acids, unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear and branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle, substituted heterocycle, heteroaryl and substituted heteroaryl.
摘要翻译:用于治疗由20S蛋白酶体介导的疾病的α-酮酰胺化合物,其具有下式:其中X2是Ar或Ar-X3,其中X3是-C = O或-CH2CO-,其中Ar是苯基,取代的苯基,吲哚 取代的吲哚和任何其它杂芳基; R1和R2分别选自已知天然α-氨基酸和非天然氨基酸的侧链,氢,1-10碳直链和支链烷基,1-10碳直链和支链取代的烷基,芳基,取代的芳基 ,1-10碳直链,支链取代的芳基,烷氧基芳基,3-8碳环烷基,杂环取代的杂环,杂芳基和取代的杂芳基; X1选自氢氧化物,单烷基氨基,二烷基氨基,醇盐,芳基醇盐,其中X4是氢氧根,芳基氨基,单烷基氨基,二烷基氨基,醇盐或芳基醇盐; R 3选自已知的天然α-氨基酸,非天然氨基酸,氢,1-10碳直链和支链烷基,1-10碳直链和支链取代的烷基,芳基,取代芳基,1-10碳直链和支链 取代的芳基,烷氧基芳基,3-8碳环烷基,杂环,取代的杂环,杂芳基和取代的杂芳基。