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    • 9. 发明授权
    • N-Nicotinoyl-3,4-dinicotinoyloxy-L-phenylalanine and derivatives
pharmaceutical compositions and methods containing same
    • N-烟酰基-3,4-二烟酰氧基-L-苯丙氨酸及其衍生物药物组合物和含有其的方法
    • US4065566A
    • 1977-12-27
    • US720781
    • 1976-09-07
    • Nicolae S. BodorKenneth B. SloanAnwar A. Hussain
    • Nicolae S. BodorKenneth B. SloanAnwar A. Hussain
    • A61K31/195C07D213/55C07D213/56C07K5/06A61K31/44
    • C07D213/56A61K31/195C07D213/55C07K5/06Y10S930/29
    • There is provided, novel, transient pro-drug forms of L-DOPA (3,4-dihydroxy-L-phenylalanine), having the formula: ##STR1## wherein R represents a hydrogen atom, an acyl group, a ##STR2## group, a --CO-pyridyl group, and a --CO--R.sub.3 group, wherein R.sub.3 represents the residue of any N,N-C.sub.1 -C.sub.2 dialkylamino acid or a C.sub.4 -C.sub.6 cycloalkylamino acid ##STR3## wherein R.sub.1 represents a member selected from the group consisting of a hydroxyl group and a --OM group, wherein M is an alkali metal (Na, K, etc.) or an ammonium ion; and wherein R.sub.2 represents a member selected from the group consisting of a ##STR4## group, a --CO-pyridyl group, and a --CO--R.sub.3 group, wherein R.sub.3 represents the residue of any N,N-(C.sub.1 -C.sub.2)-dialkylamino acid or a C.sub.4 -C.sub.6 -cycloalkylamino acid ##STR5## wherein R represents an acyl group; wherein R.sub.2 represents a hydrogen atom; and wherein R.sub.1 represents a --NHCH(R.sub.4)COOR.sub.5 group, wherein R.sub.4 represents the residue of any naturally occurring amino acid, and wherein R.sub.5 represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group (e.g., methyl, ethyl, propyl, butyl, pentyl), and a C.sub.1 -C.sub.5 alkylaryl group (e.g., --CH.sub.2 --C.sub.6 H.sub.5, --CH.sub.2 --CH.sub.2 --C.sub.6 H.sub.5, etc.), and the HX salts thereof, wherein X is a conventional pharmaceutically acceptable acid addition salt anion (e.g. chloride, bromide, perchlorate, methanesulfonate, succinate, etc.).These compounds are all useful in the treatment of Parkinson's Disease.
    • 提供了具有下式的新型瞬时前药L-DOPA(3,4-二羟基-L-苯丙氨酸),其具有下式:(I)其中R表示氢原子,酰基, IMAGE>基团,-CO-吡啶基和-CO-R3基团,其中R3表示任何N,N-C 1 -C 2二烷基氨基酸或C 4 -C 6环烷基氨基酸的残基,其中R 1表示成员 选自羟基和-OM基团,其中M为碱金属(Na,K等)或铵离子; 并且其中R 2表示选自由以下组成的组的成员:其中R 3表示任何N,N-(C 1 -C 2) - 二烷基氨基酸或C 4 -C 6环烷基氨基酸(II)其中R表示酰基; 其中R2表示氢原子; 并且其中R 1表示-NHCH(R 4)COOR 5基团,其中R 4表示任何天然存在的氨基酸的残基,并且其中R 5表示选自氢原子,C 1 -C 5烷基(例如, 甲基,乙基,丙基,丁基,戊基)和C1-C5烷基芳基(例如-CH2-C6H5,-CH2-CH2-C6H5等)及其HX盐,其中X是常规药学上可接受的 酸加成盐阴离子(如氯化物,溴化物,高氯酸盐,甲磺酸盐,琥珀酸盐等)。