[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f64mI3WhHf-FhVvElWx12AI5VfKCcimQnSSz8YVJVa-Y":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2025-05-21 08:05:58",189535409,[8,9,10,11,12],"3位引入了助色团","7,4'位引入了助色基团","5位增加3羟基","5,7位引入了助色团","分子中增加了甲基数",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},66,"de0da7de4af66993ab2e72073e4b05fb","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f6d1861c2d7225ca42808692d75026e.jpg","天然药物化学","exam_151055031","2023级专科药学《天然药物化学》","黄酮类化合物的颜色加深,与助色基团取代位置与数目有关,尤其在( )位置",[22,34,44,47,57,67,77,87,97,107],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],189535407,[26,27,28,29,30],"羟基多的蒽醌酸性一定强于其含羟基少的蒽醌","常压下加热游离蒽醌可升华而不分解","蒽酚、蒽酮为蒽醌的氧化产物","游离蒽醌泻下作用强于其蒽醌苷","游离蒽醌因羟基多具亲水性可溶于水","除( )项外,下述蒽醌性质均不对","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],189535408,[38,39,40,41,42],"醋酸镁试剂","盐酸镁粉试剂","四氢硼钠试剂","三氯化铝试剂","锆-枸橼酸试剂","区别黄酮与异黄酮可选用( )",{"answer":45,"createTime":5,"id":6,"options":46,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":48,"createTime":5,"id":49,"options":50,"question":56,"source":32,"type":33},[],189535410,[51,52,53,54,55],"菲醌","苾醌","萘醌","苯醌","蒽醌","醌类化合物的分类不包括( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":66,"source":32,"type":33},[],189535411,[61,62,63,64,65],"3","4","2","1","5","有效成分一般指( )个化合物",{"answer":68,"createTime":5,"id":69,"options":70,"question":76,"source":32,"type":33},[],189535412,[71,72,73,74,75],"乙醇","乙醚","正丁醇","乙酸乙酯","氯仿","从中草药水煎液中萃取有效成分不能使用的溶剂为( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":86,"source":32,"type":33},[],189535413,[81,82,83,84,85],"黄酮","醌类","甾体","苯丙素类","生物碱类","芦丁属于( )结构类型",{"answer":88,"createTime":5,"id":89,"options":90,"question":96,"source":32,"type":33},[],189535415,[91,92,93,94,95],"pH12以上","pH7~8","pH8~9","pH5~7","pH10~12","从槐花中提取芦丁,常用碱溶酸沉法,用石灰乳调pH应调至:( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":106,"source":32,"type":33},[],189535417,[101,102,103,104,105],"大黄酸","番泻苷","大黄素","芦荟苷","大黄酚",""天然药物大黄中提取得到一天然产物,黄色结晶,溶于5%氢氧化钠水溶液,不溶于水、碳酸氢钠、碳酸钠,与α-萘酚-浓硫酸不发生反应",其可能为( )",{"answer":108,"createTime":5,"id":109,"options":110,"question":116,"source":32,"type":33},[],189535419,[111,112,113,114,115],"氨基","羟基","巯基","羰基","羧基","糖分子中最常见的基团是( )"]