主权项 |
1.具有抗菌活性的式(I)头孢菌素结构的肟衍生物:<img file="A9410952500021.GIF" wi="1411" he="993" />其中各种基团和取代基的含义选自下列:X=不存在,—O,—S—,—SO,—SO<sub>2</sub>—,—NH—Y:—CH,N—,Z:—H,卤素,—OH,C<sub>1</sub>—C<sub>5</sub>—O—烷基,—OCH<sub>2</sub>CONH<sub>2</sub>,—OCONH<sub>2</sub>,—OSO<sub>2</sub>NH<sub>2</sub>,—OCH<sub>2</sub>CN,—NH<sub>2</sub>或被下列基团取代:C<sub>1</sub>—C<sub>6</sub>烷基,—NHCOCH<sub>3</sub>,—NHSO<sub>2</sub>CH<sub>3</sub>,—NHSO<sub>2</sub>—<img file="A9410952500022.GIF" wi="300" he="101" />C<sub>1</sub>—C<sub>4</sub>线性酸的酰胺,苯和甲苯衍生物的酰胺,—NO<sub>2</sub>,—NO,—CHO,—CH<sub>2</sub>OH,—COOH,—SH,—SOH,—SO<sub>2</sub>H,—SO<sub>3</sub>H,—S—烷基,其中烷基残基是C<sub>1</sub>—C<sub>3</sub>,—CF<sub>3</sub>;R:—H,—OH,C<sub>1</sub>—C<sub>5</sub>—O—烷基,而烷基残基可能含有卤素,游离的或与碱金属或碱土金属成盐的酸性官能基,如—OCH<sub>2</sub>CH<sub>2</sub>NH<sub>2</sub>,—OCH<sub>2</sub>CH<sub>2</sub>NH—CH<sub>3</sub>,—OCH<sub>2</sub>(邻、间、对)吡啶基,—OCH<sub>2</sub>CN,—OCH<sub>2</sub>CONH<sub>2</sub>,—OCH<sub>2</sub>SO<sub>2</sub>NH<sub>2</sub>的碱性官能团;n=0—4.A=—S—,—O—,—CH<sub>2</sub>—,—SO—,—SO<sub>2</sub>—R=头孢菌素特点的结构基团,如,—Cl,—H,—OCH<sub>3</sub>,—CH<sub>2</sub>OCH<sub>2</sub>NH<sub>2</sub>,—CH<sub>2</sub>OCH<sub>3</sub>,—CH<sub>3</sub>,—CH=CH—CH<sub>3</sub>,—CF<sub>3</sub>,—CO<sub>2</sub>R<sub>2</sub>,—SO<sub>2</sub>R<sub>2</sub>,其中R<sub>2</sub>是烷基或芳基,—CH<sub>2</sub>-OCOCH<sub>3</sub>,<img file="A9410952500031.GIF" wi="896" he="306" /><img file="A9410952500032.GIF" wi="379" he="288" />—CH=CH<sub>2</sub>,<img file="A9410952500033.GIF" wi="434" he="200" /><img file="A9410952500034.GIF" wi="1025" he="259" /><img file="A9410952500041.GIF" wi="1740" he="338" />它们的药物上可接受的盐和它们的C<sub>6</sub>和C<sub>7</sub>差向立体异构体。 |