申请人:ELI LILLY AND COMPANY
公开号:EP0202794A1
公开(公告)日:1986-11-26
7-Substituted-2,3-(dihydro) bicyclic pyrazolidinones are intermediates for 7-substituted pyrazolidinone antimicrobials. The intermediates have the formula
wherein Z is a group of the formula
and wherein:
R, is hydrogen, an organic or inorganic cation, a carboxy-protecting group or a non-toxic, metabolically-labile, ester-forming group;
R2 is hydrogen, halo, C, to C6 alkyl, C, to C6 substituted alkyl, perfluoro C2 to C4 alkyl, C7 to C12 arylalkyl, C7 to C12 substituted arylalkyl, phenyl, substituted phenyl or cyano;
a group of the formula
wherein X is fluoro, chloro, bromo or iodo;
a group of the formula
wherein z is 0, 1 or 2 and R7 is C, to C6 alkyl, C, to C6 substituted alkyl, phenyl, substituted phenyl, C7 to C12 arylalkyl, C7 to C12 substituted arylalkyl, or a heterocyclic ring; a group of the formula
wherein R8 is hydrogen, C, to C6 alkyl, C1 to C6 substituted alkyl, perfluoro C2 to C4 alkyl, trihalomethyl, C7 to C12 arylalkyl, C7 to C12 substituted arylalkyl, phenyl, substituted phenyl, amino, (monosubstituted)amino or disubstituted amino;
a group of the formula
wherein R9 is hydrogen, an organic or inorganic cation, C, to C6 alkyl, C, to C6 substituted alkyl, C7 to C12 arylalkyl, C7 to C12 substituted arylakly phenyl subsmtuted phenyl a car boxy-protecting group or a non-toxic. metabohcally-labile. ester-forming group
or a group of the formula
-CH2-S-Heterocyclic ring;
R3 and R4 are hydrogen or; either R3 or R4 is C, to C6 alkyl, C, to C6 substituted alkyl. C7 to C12 arylalkyl, C7 to C12 substituted arylalkyl, phenyl, substituted phenyl or a group of the formula
wherein R10 has the same definition as R9: and the other is hydrogen;
R5 and Rf are
1) each hydrogen; or
2i taken together and form a phthalimido group; or
3) either Fc. or Re. is hydrogen and the other is an amino-protecting group: and Y is C, to C6 alkyl. C. to Ce substituted alkyl, pr enyl. substituted phenyl, C7 to C12 arylalkyl or C7 to C12 substrtuted arylalkyl.
or a pharmaceutically acceptable salt thereof
7-取代-2,3-(二氢)双环吡唑烷酮是 7-取代吡唑烷酮抗菌剂的中间体。这些中间体具有如下式子
其中 Z 是式中的基团
其中
R,是氢、有机或无机阳离子、羧基保护基团或无毒、代谢耐受性好的成酯基团;
R2 是氢、卤代、C, 至 C6 烷基、C, 至 C6 取代烷基、全氟 C2 至 C4 烷基、C7 至 C12 芳烷基、C7 至 C12 取代芳烷基、苯基、取代苯基或氰基;
式中的基团
其中 X 为氟、氯、溴或碘;
式中 X 为氟、氯、溴或碘的基团
其中 z 是 0、1 或 2,R7 是 C 至 C6 烷基、C 至 C6 取代烷基、苯基、取代苯基、C7 至 C12 芳烷基、C7 至 C12 取代芳烷基或杂环; 式中的基团
其中 R8 为氢、C, 至 C6 烷基、C1 至 C6 取代的烷基、全氟 C2 至 C4 烷基、三卤甲基、C7 至 C12 芳烷基、C7 至 C12 取代的芳烷基、苯基、取代的苯基、氨基、(单取代)氨基或二取代氨基;
式中的基团
其中 R9 是氢、有机或无机阳离子、C-C6 烷基、C-C6 取代的烷基、C7-C12 芳烷基、C7-C12 取代的芳基苯基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基、C7-C12 取代的芳基烷基
或以下式子的基团
-CH2-S-杂环;
R3 和 R4 是氢或;R3 或 R4 是 C 至 C6 烷基、C 至 C6 取代烷基、C7 至 C12 芳基。C7 至 C12 芳烷基、C7 至 C12 取代的芳烷基、苯基、取代的苯基或如下式中的基团
其中 R10 的定义与 R9 相同:另一个是氢;
R5 和 Rf 为
1) 均为氢;或
2i 合在一起形成邻苯二甲酰亚胺基团;或
3) Fc.或 Re.之一是氢,另一个是氨基保护基团:Y 是 C 至 C6 烷基。取代的苯基、C7 至 C12 芳烷基或 C7 至 C12 取代的芳烷基。
或其药学上可接受的盐