CN103483329A - 呋喃酮-芳基-噁唑烷酮型化合物及其制法和用途 - Google Patents

呋喃酮-芳基-噁唑烷酮型化合物及其制法和用途 Download PDF

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CN103483329A
CN103483329A CN201310404192.8A CN201310404192A CN103483329A CN 103483329 A CN103483329 A CN 103483329A CN 201310404192 A CN201310404192 A CN 201310404192A CN 103483329 A CN103483329 A CN 103483329A
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肖竹平
胡桐芳
王金祥
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Nanjing Taopu Biotechnology Co ltd
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Abstract

一类呋喃酮-芳基-噁唑烷酮型化合物,其特征是它们具有如下结构通式:

Description

呋喃酮-芳基-噁唑烷酮型化合物及其制法和用途
技术领域
本发明涉及一类呋喃酮-芳基-噁唑烷酮型化合物的制法以及它们在制备抗菌药物中的应用。
技术背景
耐药细菌的迅速蔓延,使细菌性感染疾病的治疗越来越难。临床研究表明细菌抗药性对几乎所有抗菌药物都构成了威胁,20世纪80年代后期至90年代,革兰氏阴性杆菌如肺炎克雷伯菌和大肠埃希菌产生的超广谱β-内酰胺酶(ESBLs)和诱导性β-内酰胺酶(AmpC酶)可水解包括氧亚氨基类(头抱他啶、头抱曲松、头抱噻肟、氨曲南等)在内的大多数β-内酰胺类抗菌药。多数产ESBLs的菌株为多重耐药株,对氟喹诺酮类药物也具有耐药性。据相关报道氟喹诺酮类药物对肠球菌属、克雷伯氏菌属、大肠埃氏菌、肺炎链球菌等均出现了不同程度的耐药性,同时不同品种间有很高程度的交叉耐药性。
靶点突变是细菌对某种药物产生耐药性的主要途径,单靶点突变的几率是10-7-10-9之间,这一发现表明,若某一药物能作用于多个靶点,那么细菌需用同时在这几个靶点发生突变,才有可能通过靶点突变的途径对这一药物产生耐药性,然而几个靶点同时突变的几率几乎为零,因此多靶点药物是对抗耐药菌有力的武器。基于这一思路,本发明利用骨架迁越原理与计算机辅助药物设计的方法,设计并合成出了能同时作用于酪氨酰t-RNA合成酶(TyrRS)和S30核糖体亚基的呋喃酮-噁唑烷酮型多靶点抗菌药物,它们从不同的途径阻断细菌生命活动中最关键的过程——蛋白质的合成,目前尚无以TyrRS和S30核糖体亚基为靶点的双靶点抗菌化合物出现。实验表明,这些结构新颖的抗菌化合物不仅抗耐药菌效果突出而且安全性好。
发明内容
本发明的技术方案如下:
一类呋喃酮-芳基-噁唑烷酮型化合物,其特征是它们具有如下结构通式:
Figure BDA0000378835490000011
式I中R1、R2、R3和R4的定义如下:
Figure BDA0000378835490000012
Figure BDA0000378835490000021
R3=F、Cl、Br、NH2、NHMe、NHEt、NMe2、NEt2、OH、OMe或OEt,则R4=Me、Et、n-Pr、n-Bu、
Figure BDA0000378835490000023
一种制备上述呋喃酮-芳基-噁唑烷酮型化合物的方法,它包括下列步骤:
步骤1:将2-R1乙酸钠溶于DMSO中,在室温下加入溴乙酸乙酯,物质的量之比:2-R1乙酸钠:溴乙酸乙酯=1:1-1:3,升温至30-40℃之间反应7-10h,乙酸乙酯稀释,水洗,有机层用饱和食盐水洗至中性,干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为20:1-5:1,得到油状2-(2-R1乙酰氧基)乙酸乙酯(II);
步骤2:在室温下将NaH加入到无水四氢呋喃(THF)中,然后滴入2-(2-R1乙酰氧基)乙酸乙酯(II)的无水四氢呋喃溶液,物质的量之比为:II:NaH=l:l,室温反应2-7h,反应完毕,加入碎冰,用乙醚萃取,水层酸化,析出沉淀,抽滤,得白色到淡黄色固体,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为10:1-2:1,得到4-羟基-3-R1-2(5H)-呋喃酮(III);
Figure BDA0000378835490000025
步骤3:将4-羟基-3-R1-2(5H)-呋喃酮(III),1,2-二溴乙烷和三乙胺溶于无水丙酮中,物质量之比:III:1,2-二溴乙烷:三乙胺=1:(10-30):(1-3),回流4-10h,反应完毕,加水,乙酸乙酯萃取,有机层分别用饱和NaHCO3溶液及饱和食盐水洗涤。无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为8:1-1:4,得产物4-溴乙氧基-3-R1-2(5H)-呋喃酮(IV);
Figure BDA0000378835490000026
步骤4:将3-R2-4-R3苯甲酸加入到含三乙胺的甲氧基甲酰氯中,室温下反应1-2h后,加入适量叠氮化钠,继续反应1h,加入(S)-2-叠氮甲基环氧乙烷、溴化锂、三丁基氧磷,物质的量之比:3-R2-4-R3苯甲酸:三乙胺:叠氮化钠:(S)-2-叠氮甲基环氧乙烷:溴化锂:三丁基氧磷=1:(1-2):(4-6):(1-2):(1-2):(0.5-1.5):(1-3),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为14:1-2:1,得到(R)-N-(3-R2-4-R3苯基)-5-叠氮甲基-2-噁唑烷酮(V);
Figure BDA0000378835490000031
步骤5:将4-溴乙氧基-3-R1-2(5H)-呋喃酮(IV)、(R)-N-(3-R2-4-R3苯基)-5-叠氮甲基-2-噁唑烷酮(V)、4-N,N-二甲胺基吡啶(DMAP)、KI和溶剂DMSO,70℃反应48-72h,物质量之比:IV:V:4-N,N-二甲胺基吡啶:KI=(2-4):(4-7):(3-6):1,反应完毕后,加入二氧化铂并通入氢气,物质量之比:V:二氧化铂=1:(0.1-0.2),室温下反应0.5-1h,加入水,析出固体,经柱层析纯化,得产物得到化合物(R)-N-(3-R3-4-R2苯基)-5-胺甲基-2-噁唑烷酮(VI),洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为15:1-10:1;
Figure BDA0000378835490000032
步骤6:将(R)-N-(3-R3-4-R2苯基)-5-胺甲基-2-噁唑烷酮(VI)与R4-甲酸溶于5mLDMSO中,搅拌下加入TBTU和三乙胺25-40℃下反应5-10h,物质量比为:VI:R4-甲酸:TBTU:三乙胺=1:(1-2):(1-3):(10-30),反应完毕后加入水,析出固体,经柱层析纯化,得呋喃酮-芳基-噁唑烷酮型化合物(I),洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为7:1-15:1;其中所述的R1、R2、R3和R4的定义与上述的定义相同。
Figure BDA0000378835490000033
本发明所述的呋喃酮-芳基-噁唑烷酮型化合物对多种病菌有较好的抑制和杀灭作用,其中有些比阳性对照青霉素G,片那霉素和酮康唑有更高抑菌活性。因此可以用于制备抗感染药物。
具体实施方式
通过以下实施例进一步详细说明本发明,但应注意本发明的范围并不受这些实施例的任何限制。
实施例1:(S)-3-(4-(4-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(29)的制备
步骤1:将1.88g(10mmol)3-甲氧基苯乙酸钠溶于15mL DMSO中,在室温下加入1.2mL溴乙酸乙酯,升温至35℃反应8h,反应完毕,乙酸乙酯稀释,水洗,有机层用饱和食盐水洗至中性,干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为4:1,得到2.2g油状2-(3-甲氧基苯乙酰氧基)乙酸乙酯;
步骤2:将2-(3-甲氧基苯乙酰氧基)乙酸乙酯2.01g溶解在装有10mL无水THF的恒压漏斗中,将NaH0.19g加入到装有5mL无水THF的烧瓶中,在搅拌下慢慢加入2-(3-甲氧基苯乙酰氧基)乙酸乙酯的THF溶液。在常温下搅拌反应7h,浓缩,加入15mL冰水,用30mL乙醚分两次萃取,浓缩,抽滤,洗涤,干燥。得白色固体4-羟基-3-(3-甲氧基苯基)-2(5H)-呋喃酮1.05g,产率:63.7%;
步骤3:将干燥好的4-羟基-3-(3-甲氧基苯基)-2(5H)-呋喃酮526mg加入到100mL烧瓶中,分别再加入6.6mL1,2-二溴乙烷,20mL新制备的无水丙酮,0.68mL三乙胺,回流7h,并有沉淀析出。浓缩产物,加20mL水,用乙酸乙酯45mL分三次取萃,后用稀HCl调节pH到弱酸性,用NaHCO3和饱和食盐水洗至中性,无水MgSO4干燥浓缩,柱层析纯化,洗脱剂的体积比为:石油醚:AcOEt=1:3,得到4-溴乙氧基-3-(3-甲氧基苯基)-2(5H)-呋喃酮463mg,产率:58.2%。
步骤4:将2.22g(10mmol)3-羟基-4-哌嗪基苯甲酸及1.36g(12mmol)甲氧基甲酰氯加入到7mL(50mmol)三乙胺中,室温下反应1.5h后,加入0.78g(12mmol)叠氮化钠,继续反应1h,加入1.18g(12mmol)叠氮环氧丙烷、0.7g(8mmol)溴化锂、4.36g(20mmol)三丁基氧磷,反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为4:1,得到1.98mg白色固体(R)-N-(3-羟基-4-(哌嗪-1-基)苯基)-5-叠氮甲基-2-噁唑烷酮,产率为62.2%;
步骤5:将400mg(1.3mmol)3-(3-甲氧基苯基)-4-溴乙氧基-2(5H)-呋喃酮、620mg(1.95mmol)(R)-N-(3-羟基-4-(哌嗪-1-基)苯基)-5-叠氮甲基-2-噁唑烷酮、198mg(1.63mmol)4-N,N-二甲胺基吡啶(DMAP)、54mg(0.35mmol)KI溶于15mLDMSO中,70℃反应60h,反应完毕后,加入78mg(0.35mmol)二氧化铂并通入氢气,室温下1h后,加入20mL水,析出固体,经柱层析纯化,洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为10:1,得产物得到357mg(S)-3-(4-(4-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-胺甲基-2-噁唑烷酮,产率52.4%;
步骤6:将300mg(0.57mmol)(S)-3-(4-(4-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-胺甲基-2-噁唑烷酮与83mg(0.68mmol)苯甲酸溶于5mLDMSO中,183mg(0.57mmol)TBTU,1mL三乙胺25℃下反应5h,加入20mL水,析出固体,经柱层析纯化,洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为13:1得产物得到310mg(S)-3-(4-(4-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(29),熔点239-242℃,产率86.6%。
按实施例1相似的方法,用不同的取代形式的原料,合成了表1所列的多靶点的呋喃酮-芳基-噁唑烷酮型系列化合物1-72。
表1通式I中呋喃酮-芳基-噁唑烷酮型化合物各R基团
Figure BDA0000378835490000051
Figure BDA0000378835490000052
Figure BDA0000378835490000081
Figure BDA0000378835490000091
注:初始原料均购于aldrich公司
实施例2:化合物的抗菌活性
将细菌悬浮在MH培养基中,分散浓度大约为105cfu﹒mL-1,将菌液加到96孔板上(每孔加菌液100μL),以培养基为空白对照,以DMSO代替受试物作为阴性对照,革兰氏阳性细菌以青霉素G为阳性对照,革兰氏阴性细菌以卡那霉素为阳性对照,真菌以酮康唑为阳性对照。将受试物溶于DMSO中分别配成1600、800、400、200、100、50μg﹒mL-1溶液(对于MIC50小于5μg﹒mL-1的,进行一步实验时,配制的浓度梯度为100、50、25、12.5、6.25μg﹒mL-1),以每孔11μL的量加入到96孔板上,每个浓度梯度做四个平行实验。将96孔板放入37℃的培养箱中培养24h(真菌在28℃的培养48h),然后每孔加入25μL每mL含4mgMTT的PBS,再在同样条件下培养4h,每孔加入100μL SDS裂解液(95mL三蒸水+10g SDS+5mL异丙醇+0.1mL浓盐酸)后培养12h。用酶标仪于570nm下测定OD值,百分抑制率按下式计算:
活性的高低以半抑制率MIC50来表示,MIC50越小,此化合物的活性越高,结果见表2。
实施例3:核糖体合成蛋白质的活性
取对数生长期的大肠杆菌菌液,离心分离,在3℃下,细胞用5mL缓冲溶液洗涤两次,缓冲溶液的组成如下:0.01M Tris(pH7.8),0.017M醋酸镁和0.06M氯化钾。将所得细胞于-70℃下冻存,解冻后,与两倍于细胞湿重量的氧化铝一起研磨15min,得S30核糖体粗提物。将S30核糖体粗提物溶解于0.25mL0.017M的醋酸镁缓冲液中,加入一定浓度的被测化合物,在室温下共培养15min,然后向该体系中加入引物聚尿苷酸、4×10-9mol的[14C]苯丙氨酸、5×10-9mol的苯丙氨酸和5×10-9mol的其他的必须氨基酸,继续培养15min。在3℃下加入1mL10%的三氯乙酸溶液沉淀所合成的蛋白,过滤,然后用2.5mL5%的三氯乙酸洗涤。所得蛋白质分散于甲苯中,用闪烁计数器测定编入蛋白质中[14C]苯丙氨酸的量,每个样品重复4次。以不加药物的为对照,计算蛋白质合成的抑制率,IC50为抑制核糖体合成蛋白质活性的50%时,对应化合物的浓度(μg/mL),结果见表2。
实施例4:TyrRS的提取以及化合物对TyrRS活性的测定
将金黄色葡萄球菌的TyrRS在大肠杆菌内表达,用葡聚糖凝胶色谱进行纯化。通过氨酰化反应来测定TyrRS的活性。酶反应混合物有如下组分构成:100mM TrisHCl pH7.9,50mM KCl,16mM MgCl2,5mM ATP,3mM二硫苏糖醇,4mg/mL大肠杆菌MRE600tRNA以及10μM[3H]酪氨酸(活度为1.48-2.22TBq/mmol)。将TyrRS(0.2nM)和不同浓度的受试物在室温下混合培养10分钟,然后加入等量的预先加热至37℃上述酶反应混合物,共培养5min后,加入等体积的7%冰三氯乙酸溶液终止反应,用96孔密理博滤膜板过滤,滤液用闪烁计数器进行检测,每个样品重复4次。以没有加入抑制剂的作为对照。化合物的IC50是指酶活性减低50%时受试化合物的浓度,结果见表2。
表2呋喃酮-芳基-噁唑烷酮型化合物抑制核糖体介导的蛋白质合成和TyrRS活性(IC50),
以及抗菌活性(MIC50
Figure BDA0000378835490000121
Figure BDA0000378835490000131
结果表明:化合物4、8、9、19、22、28、37、45、59、64、68对表皮葡萄球菌表现出优良的抗菌活性;化合物1、8、9、19、22、25、37、45、47、56、64、70对肺炎克雷伯菌表现出优良的抗菌活性;化合物3、8、9、19、28、30、37、45、52、64、67、72对新型隐球菌表现出优良的抗菌活性。化合物8、9、19、22、28、37、45、64不仅有较好的抗菌活性而且对核糖体介导的蛋白质合成和TyrRS均起到了有效的抑制作用,证明是多靶点抗菌化合物。
本发明的上述实施例表明:在合成的呋喃酮-芳基-噁唑烷酮型化合物中,一部分的抗菌作用高于阳性对照卡拉霉素、青霉素G和酮康唑,对大鼠的急毒实验表明,化合物8、9、19、37、45、64的剂量达到5g/kg(此剂量为药典规定的无毒剂量)时,没有发现大鼠有中毒迹象,因此在正常剂量下,它们作为药物应用是安全的。
化合物1-72的熔点、质谱及氢谱数据
(S)-3-(4-(4-(3-苯基-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-氟苯基)-5-乙酰胺甲基-2-噁唑烷酮(1)
Mp206-209℃;EIMS m/z:538[M+];1H NMR(DMSO-d6)δppm:1.88(s,3H),3.07(t,2H),3.22(d,1H),3.35(d,1H),3.42(d,2H),3.48(t,8H),4.27(t,2H),4.93(s,2H),5.24(t,1H),6.74(d,1H),6.92(d,1H),7.24-7.31(m,5H),7.60(s,1H),8.04(s,1H)。
(S)-3-(4-((R)-3-(3-苯基-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-氯苯基)-5-乙酰胺甲基-2-噁唑烷酮(2)
Mp263-267℃;EIMS m/z:568[M+];1H NMR(DMSO-d6)δppm:1.06(t,3H),1.60(t,2H),2.02(s,1H),2.53-2.62(m,1H),2.70(t,2H),2.77(q,2H),2.85(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.43(d,2H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.70(d,1H),7.02(d,1H),7.24-7.30(m,5H),7.84(s,1H),8.04(s,1H)。
(S)-3-(4-((R)-2-(3-苯基-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-溴苯基)-5-丁酰胺甲基-2-噁唑烷酮(3)
Mp222-225℃;EIMS m/z:642[M+];1H NMR(DMSO-d6)δppm:0.92(t,3H),1.35-1.45(m,2H),2.02(s,1H),2.36(t,2H),2.80(t,2H),2.85(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.43(d,2H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.24(t,1H),6.66(d,1H),7.10(d,1H),7.20-7.30(m,5H),7.72(s,1H),8.04(s,1H)。
(S)-3-(4-(2-(3-苯基-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氨基苯基)-5-正戊酰胺甲基-2-噁唑烷酮(4)
Mp198-201℃;EIMS m/z:551[M+];1H NMR(DMSO-d6)δppm:0.92(t,3H),1.22-1.32(m,2H),1.55-1.63(m,2H),2.02(s,1H),2.15(t,2H),2.64(t,2H),2.93(t,2H),3.09(d,1H),3.20(d,1H),3.38(t,2H),3.45(d,2H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.23(t,1H),6.25(s,2H),6.34(d,1H),6.45(d,1H),6.74(s,1H),7.20-7.29(m,5H),7.88(s,1H)。
(S)-3-(4-(4-(3-(2-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)哌嗪-1-基)-3-甲胺基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(5)
Mp241-244℃;EIMS m/z:625[M+];1H NMR(DMSO-d6)δppm:2.48(s,3H),3.04(t,2H),3.10(d,1H),3.22(s,3H),3.34(d,1H),3.47(t,8H),3.60(d,2H),4.03(s,1H),4.37(t,2H),4.92(s,2H),5.23(t,1H),6.48(d,2H),6.80(s,1H),6.98-7.07(m,4H),7.92-8.00(m,5H),8.19(s,1H)。
(S)-3-(4-((R)-3-(3-(2-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-乙胺苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(6)
Mp223-226℃;EIMS m/z:640[M+];1H NMR(DMSO-d6)δppm:1.30(t,3H),1.62(t,2H),2.03(s,1H),2.20(s,3H),2.44-2.52(m,1H),2.72(t,2H),2.81(d,2H),2.94(t,2H),3.13(d,1H),3.23(d,2H),3.36(d,1H),3.50(q,2H),4.02(s,1H),4.11(t,2H),4.95(s,2H),5.26(t,1H),6.46(d,1H),6.55(d,1H),6.78(s,1H),7.03-7.10(m,4H),7.62(q,1H),8.04(s,1H),8.28(dd,1H),8.73(dd,1H)。
(S)-3-(4-((R)-2-(3-(2-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-(N,N-二甲基氨基)苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(7)
Mp264-267℃;EIMS m/z:645[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.51(s,3H),2.80(t,2H),2.88(d,2H),2.95(t,2H),3.10(s,6H),3.22(d,3H),3.35(d,1H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.24(t,1H),6.50(d,1H),6.59(d,1H),6.85-6.92(m,1H),7.04(s,1H),7.16-7.25(m,4H),7.34(d,1H),8.00(s,1H),8.10(d,1H)。
(S)-3-(4-(2-(3-(2-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-(N,N-二乙基氨基)苯基)-5-丙酰胺甲基-2-噁唑烷酮(8)
Mp223-226℃;EIMS m/z:593[M+];1H NMR(DMSO-d6)δppm:0.99(t,3H),1.20(t,6H),2.06(s,1H),2.35(q,2H),2.51(s,3H),2.64(t,2H),2.93(t,2H),3.09(d,1H),3.20(q,4H),3.35(d,1H),3.48(t,2H),3.85(d,2H),4.02(s,1H),4.23(t,2H),4.96(s,2H),5.28(t,1H),6.43(d,1H),6.56(d,1H),6.90(s,1H),7.08-7.15(m,4H),7.95(s,1H)。
(S)-3-(4-(4-(3-(2-甲基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-丁酰胺甲基-2-噁唑烷酮(9)
Mp248-251℃;EIMS m/z:578[M+];1H NMR(DMSO-d6)δppm:0.96(t,3H),1.38-1.47(m,2H),2.39(t,2H),2.50(s,3H),3.08(t,2H),3.21(d,1H),3.37(d,1H),3.46(t,8H),3.61(d,2H),4.28(t,2H),4.95(s,2H),5.25(t,1H),5.40(s,1H),6.60(d,2H),7.18(s,1H),6.98-7.08(m,4H),8.08(s,1H)。
(S)-3-(4-((R)-3-(3-(2-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-甲氧基苯基)-5-正戊酰胺甲基-2-噁唑烷酮(10)
Mp182-185℃;EIMS m/z:626[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.15-1.22(m,2H),1.56-1.62(m,2H),1.80(t,2H),2.02(s,1H),2.16(t,2H),2.34-2.44(m,1H),2.73(t,2H),2.80(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.53(d,2H),3.88(s,3H),4.10(t,2H),4.94(s,2H),5.24(t,1H),6.68(d,1H),7.02(d,1H),7.22(s,1H),7.30-7.41(m,4H),8.04(s,1H)。
(S)-3-(4-((R)-2-(3-(2-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-乙氧基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(11)
Mp264-267℃;EIMS m/z:676[M+];1H NMR(DMSO-d6)δppm:1.30(t,3H),2.06(s,1H),2.80(t,2H),2.88(d,2H),2.99(t,2H),3.12(d,1H),3.35(d,1H),3.46(d,2H),3.87(t,2H),4.05(q,2H),4.19(t,2H),4.82(t,1H),4.95(s,2H),5.24(t,1H),6.67(d,1H),6.82(d,1H),7.22(s,1H),7.30-7.39(m,4H),7.67-7.75(m,5H),8.22(s,1H)。
(S)-3-(4-(2-(3-(2-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氯苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(12)
Mp261-264℃;EIMS m/z:625[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.64(t,2H),2.93(t,2H),3.09(d,1H),3.20(d,2H),3.35(d,1H),3.48(t,2H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.23(t,1H),6.50(d,1H),6.99(d,1H),7.30-7.40(m,4H),7.52-7.62(m,1H),7.75(s,1H),8.08(s,1H),8.25(dd,1H),8.76(dd,1H),9.00(s,1H)。
(S)-3-(4-(4-(3-(2-羟基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-溴苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(13)
Mp200-203℃;EIMS m/z:666[M+];1H NMR(DMSO-d6)δppm:3.08(t,2H),3.21(d,3H),3.36(d,1H),3.46(t,8H),4.26(t,2H),4.92(s,2H),5.25(t,1H),5.40(s,1H),6.70(d,1H),6.85-6.94(m,5H),7.10(d,1H),7.30(d,1H),7.70(s,1H),8.05(s,1H),8.17(d,1H)。
(S)-3-(4-((R)-3-(3-(2-羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-氨基苯基)-5-乙酰胺甲基-2-噁唑烷酮(14)
Mp247-250℃;EIMS m/z:551[M+];1H NMR(DMSO-d6)δppm:1.60(t,2H),1.88(s,3H),2.02(s,1H),2.39-2.48(m,1H),2.75(t,2H),2.85(d,2H),2.96(t,2H),3.13(d,1H),3.35(d,1H),3.43(d,2H),4.10(t,2H),4.93(s,2H),5.24(t,1H),5.40(s,1H),6.30(s,2H),6.51(d,1H),6.52(d,1H),6.80(s,1H),7.16-7.25(m,4H),8.04(s,1H)。
(S)-3-(4-((R)-2-(3-(2-羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-甲胺基苯基)-5-丁酰胺甲基-2-噁唑烷酮(15)
Mp239-242℃;EIMS m/z:609[M+];1H NMR(DMSO-d6)δppm:0.92(t,3H),1.35-1.44(m,2H),2.02(s,1H),2.36(t,2H),2.80(t,2H),2.89(d,2H),2.98(t,2H),3.05(s,3H),3.17(d,1H),3.35(d,1H),3.49(d,2H),3.85(t,2H),3.98(s,1H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.24(t,1H),5.38(s,1H),6.48(d,1H),6.56(d,1H),6.70(dd,1H),6.78(s,1H),7.00-7.09(m,2H),7.23(dd,1H),8.11(s,1H)。
(S)-3-(4-(2-(3-(2-羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-乙胺基苯基)-5-正戊酰胺甲基-2-噁唑烷酮(16)
Mp201-204℃;EIMS m/z:595[M+];1H NMR(DMSO-d6)δppm:0.96(t,3H),1.22(t,3H),1.30-1.39(m,2H),1.56-1.63(m,2H),2.00(s,1H),2.17(t,2H),2.64(t,2H),2.96(t,2H),3.12(d,1H),3.30(d,1H),3.39(t,2H),3.47(q,2H),3.55(d,2H),4.02(s,2H),4.26(t,2H),4.93(s,2H),5.32(t,1H),5.46(s,1H),6.40(d,1H),6.49(d,1H),6.73(s,1H),7.04-7.15(m,4H),8.15(s,1H)。
(S)-3-(4-(4-(3-(3-溴苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-(N,N-二甲基氨基)苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(17)
Mp215-218℃;EIMS m/z:703[M+];1H NMR(DMSO-d6)δppm:3.00(s,6H),3.11(t,2H),3.22(d,1H),3.30(d,1H),3.40(d,2H),3.47(t,8H),4.27(t,2H),4.93(s,2H),5.24(t,1H),6.50(d,1H),6.60(d,1H),7.00(s,1H),7.41-7.50(m,3H),7.59(s,1H),7.74-7.82(m,5H),8.22(s,1H)。
(S)-3-(4-((R)-3-(3-(3-溴苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-N,N-二乙基氨基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(18)
Mp263-266℃;EIMS m/z:732[M+];1H NMR(DMSO-d6)δppm:1.18(t,6H),1.62(t,2H),2.05(s,1H),2.41-2.49(m,1H),2.66(t,2H),2.77(q,2H),2.85(d,2H),2.94(t,2H),3.14(d,1H),3.23(d,2H),3.35(d,1H),3.45(q,4H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.50(d,1H),6.70(d,1H),6.94(s,1H),7.43-7.50(m,3H),7.62-7.70(m,1H),7.99(s,1H),8.30(dd,2H),9.01(s,1H)。
(S)-3-(4-((R)-2-(3-(3-溴苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-羟基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(19)
Mp233-237℃;EIMS m/z:682[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.80(t,2H),2.87(d,2H),2.95(t,2H),3.12(d,1H),3.23(d,2H),3.35(d,1H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.24(t,1H),5.39(s,1H),6.62(d,1H),6.72(d,1H),6.87-6.95(m,1H),7.10(dd,1H),7.17(s,1H),7.24-7.32(m,1H),7.40(d,1H),7.50(dd,1H),7.57(s,1H),8.04(s,1H),8.12(d,1H)。
(S)-3-(4-(2-(3-(3-溴苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-甲氧基苯基)-5-乙酰胺甲基-2-噁唑烷酮(20)
Mp219-222℃;EIMS m/z:602[M+];1H NMR(DMSO-d6)δppm:1.88(s,3H),2.00(s,1H),2.69(t,2H),2.98(t,2H),3.05(d,1H),3.33(d,1H),3.39(t,2H),3.46(d,2H),3.85(s,3H),4.02(s,1H),4.26(t,2H),4.90(s,2H),5.27(t,1H),6.50(d,1H),6.68(d,1H),7.10(dd,1H),7.19(s,1H),7.30-7.38(m,1H),7.45(dd,1H),7.55(s,1H),8.43(s,1H)。
(S)-3-(4-(4-(3-(3-甲基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-乙氧基苯基)-5-丙酰胺甲基-2-噁唑烷酮(21)
Mp256-259℃;EIMS m/z:592[M+];1H NMR(DMSO-d6)δppm:1.05(t,3H),1.40(t,3H),2.29(q,2H),2.39(s,3H),3.08(t,2H),3.21(d,1H),3.35(d,1H),3.51(d,2H),3.66(t,8H),4.11(q,2H),4.26(t,2H),4.93(s,2H),5.23(t,1H),6.65(d,1H),6.79(d,1H),7.00-7.11(m,3H),7.20(s,2H),7.70(s,1H)。
(S)-3-(4-((R)-3-(3-(3-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-氟苯基)-5-正戊酰胺甲基-2-噁唑烷酮(22)
Mp195-198℃;EIMS m/z:594M+];1H NMR(DMSO-d6)δppm:1.01(t,3H),1.35-1.44(m,2H),1.55-1.63(m,2H)1.80(t,2H),2.02(s,1H),2.16(t,2H),2.36(s,3H),2.53-2.62(m,1H),2.73(t,2H),2.83(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.45(d,2H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.74(d,1H),6.92(d,1H),7.00-7.11(m,4H),7.60(s,1H),8.09(s,1H)。
(S)-3-(4-((R)-2-(3-(3-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-溴苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(23)
Mp189-192℃;EIMS m/z:690[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.36(s,3H),2.80(t,2H),2.88(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.43(d,2H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.24(t,1H),6.66(d,1H),6.99(dd,1H),7.05(s,1H),7.20(d,1H),7.45(dd,1H),7.59-7.68(m,1H),7.74(s,1H),7.87-7.96(m,5H),8.45(s,1H)。
(S)-3-(4-(2-(3-(3-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氨基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(24)
Mp230-233℃;EIMS m/z:586[M+];1H NMR(DMSO-d6)δppm:1.88(s,1H),2.37(s,3H),2.64(t,2H),2.94(t,2H),3.08(d,1H),3.20(d,2H),3.35(d,1H),3.49(t,2H),4.05(s,1H),4.25(t,2H),4.93(s,2H),5.30(t,1H),6.25(s,2H),6.34(d,1H),6.46(d,1H),6.74(s,1H),7.02-7.11(m,3H),7.38(s,1H),7.60-7.70(m,1H),8.00(s,1H),8.25(dd,1H),8.75(dd,1H),9.04(s,1H)。
(S)-3-(4-(4-(3-(3-三氟甲基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-甲胺基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(25)
Mp260-263℃;EIMS m/z:669[M+];1H NMR(DMSO-d6)δppm:3.01(t,2H),3.11(d,1H),3.19(s,3H),3.29(d,2H),3.39(d,1H),3.48(t,8H),4.20(s,1H),4.46(t,2H),4.93(s,2H),5.23(t,1H),6.50(d,1H),6.68(d,1H),6.80(s,1H),6.95(q,1H),7.30(d,1H),7.40-7.50(m,3H),7.82(s,1H),8.04(s,1H),8.12(d,1H)。
(S)-3-(4-((R)-3-(3-(3-三氟甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-乙胺基苯基)-5-乙酰胺甲基-2-噁唑烷酮(26)
Mp218-221℃;EIMS m/z:631[M+];1H NMR(DMSO-d6)δppm:1.30(t,3H),1.63(t,2H),1.88(s,3H),2.01(s,1H),2.53-2.63(m,1H),2.72(t,2H),2.80(d,2H),2.96(t,2H),3.12(d,1H),3.35(d,1H),3.50(d,4H),4.03(s,1H),4.20(t,2H),4.94(s,2H),5.24(t,1H),6.48(d,1H),6.65(d,1H),7.20(dd,1H),7.34-7.42(m,1H),7.50(s,1H),7.63(dd,1H),6.78(s,1H),8.05(s,1H)。
(S)-3-(4-((R)-2-(3-(3-三氟甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-(N,N-二甲基氨基)苯基)-5-丙酰胺甲基-2-噁唑烷酮(27)
Mp193-196℃;EIMS m/z:661[M+];1H NMR(DMSO-d6)δppm:1.06(t,3H),2.05(s,1H),2.30(q,2H),2.61(t,2H),2.88(d,2H),2.95(t,2H),3.08(s,6H),3.22(d,1H),3.32(d,1H),3.40(d,2H),3.85(t,2H),4.15(t,2H),4.82(t,1H),4.96(s,2H),5.24(t,1H),6.42(d,1H),6.60(d,1H),6.95(s,1H),7.20(dd,1H),7.33-7.42(m,1H),7.55(s,1H),7.63(dd,1H),8.18(s,1H)。
(S)-3-(4-(2-(3-(3-三氟甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-(N,N-二乙基氨基)苯基)-5-丁酰胺甲基-2-噁唑烷酮(28)
Mp258-261℃;EIMS m/z:661[M+];1H NMR(DMSO-d6)δppm:0.95(t,3H),1.20(t,6H),1.31-1.40(m,2H),1.99(s,1H),2.40(t,2H),2.60(t,2H),2.98(t,2H),3.09(d,1H),3.15(d,1H),3.28(t,2H),3.42(q,4H),3.78(d,2H),4.02(s,1H),4.30(t,2H),4.95(s,2H),5.20(t,1H),6.44(d,1H),6.59(d,1H),6.90(s,1H),7.05-7.12(m,1H),7.30(dd,1H),7.42(s,1H),7.55(dd,1H),7.91(s,1H)。
(S)-3-(4-(4-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(29)
Mp239-242℃;EIMS m/z:628[M+];1H NMR(DMSO-d6)δppm:3.10(t,2H),3.23(d,1H),3.35(d,1H),3.45(d,2H),3.68(t,8H),3.90(s,3H),4.27(t,2H),4.93(s,2H),5.25(t,1H),5.40(s,1H),6.60(d,1H),6.70(d,1H),6.90(dd,2H),7.00(s,1H),7.20(s,1H),7.60(q,1H),7.92-8.05(m,5H),8.30(s,1H)。
(S)-3-(4-((R)-3-(3-(3-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-甲氧基苯基)-5-3-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(30)
Mp229-232℃;EIMS m/z:643[M+];1H NMR(DMSO-d6)δppm:1.63(t,2H),2.04(s,1H),2.52-2.62(m,1H),2.75(t,2H),2.86(d,2H),2.94(t,2H),3.15(d,1H),3.24(d,2H),3.35(d,1H),3.95(s,6H),4.10(t,2H),4.94(s,2H),5.24(t,1H),6.65(d,1H),6.82(d,1H),6.95(s,1H),7.20(s,1H),7.52-7.62(m,2H),7.76(dd,1H),8.05(s,1H),8.26(dd,1H),8.74(dd,1H),9.03(s,1H)。
(S)-3-(4-((R)-2-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-乙氧基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(31)
Mp255-258℃;EIMS m/z:662[M+];1H NMR(DMSO-d6)δppm:1.35(t,3H),2.04(s,1H),2.84(t,2H),2.86(d,2H),2.95(t,2H),3.16(d,1H),3.20(d,2H),3.35(d,1H),3.85(t,2H),3.99(s,3H),4.10(q,2H),4.18(t,2H),4.82(t,1H),4.98(s,2H),5.24(t,1H),6.66(d,1H),6.73(d,1H),6.88-6.95(m,4H),7.22(s,1H),7.30(d,1H),7.62-7.71(m,1H),8.00(s,1H),8.12(d,1H)。
(S)-3-(4-(2-(3-(3-甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氟苯基)-5-乙酰胺甲基-2-噁唑烷酮(32)
Mp201-204℃;EIMS m/z:542[M+];1H NMR(DMSO-d6)δppm:1.85(s,3H),2.00(s,1H),2.64(t,2H),2.93(t,2H),3.10(d,1H),3.33(d,1H),3.40(t,2H),3.47(d,2H),3.85(s,3H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.25(t,1H),6.60(d,1H),6.70(dd,1H),6.81(dd,1H),6.88(d,1H),6.95(s,1H),7.51(s,1H),7.62-7.73(m,1H),8.00(s,1H)。
(S)-3-(4-(4-(3-(3-硝基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-氯苯基)-5-丙酰胺甲基-2-噁唑烷酮(33)
Mp199-202℃;EIMS m/z:613M+];1H NMR(DMSO-d6)δppm:1.05(t,3H),2.30(q,2H),3.07(t,2H),3.24(d,1H),3.35(d,1H),3.42(d,2H),3.58(t,8H),4.27(t,2H),4.93(s,2H),5.24(t,1H),6.70(d,1H),7.06(d,1H),7.35(s,1H),7.60-7.69(m,3H),7.95(s,1H),8.24(s,1H)。
(S)-3-(4-((R)-3-(3-(3-硝基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-氨基苯基)-5-丁酰胺甲基-2-噁唑烷酮(34)
Mp236-239℃;EIMS m/z:608[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.33-1.42(m,2H),1.60(t,2H),2.02(s,1H),2.36(t,3H),2.53-2.61(m,1H),2.75(t,2H),2.83(d,2H),2.95(t,2H),3.16(d,1H),3.35(d,1H),3.43(d,2H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.30(s,2H),6.52(d,1H),6.80(s,1H),7.58(dd,1H),7.69-7.76(m,1H),7.95(s,1H),8.08(s,1H)8.17(dd,1H)。
(S)-3-(4-((R)-2-(3-(3-硝基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-甲胺基苯基)-5-正戊酰胺甲基-2-噁唑烷酮(35)
Mp210-213℃;EIMS m/z:652[M+];1H NMR(DMSO-d6)δppm:0.94(t,3H),1.11-1.22(m,2H),1.62-1.70(m,2H),2.05(s,1H),2.20(t,2H),2.84(t,2H),2.88(d,2H),2.96(t,2H),3.05(s,3H),3.14(d,1H),3.35(d,1H),3.50(d,2H),3.88(t,2H),4.03(s,1H),4.12(t,2H),4.82(t,1H),4.93(s,2H),5.28(t,1H),6.56(d,1H),6.50(d,1H),6.70(s,1H),7.60(dd,1H),7.70-7.81(m,1H),7.94(s,1H),8.04(s,1H),8.17(dd,1H)。
(S)-3-(4-(2-(3-(3-硝基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-乙胺基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(36)
Mp177-180℃;EIMS m/z:645[M+];1H NMR(DMSO-d6)δppm:1.34(t,3H),2.02(s,1H),2.65(t,2H),2.94(t,2H),3.13(d,1H),3.21(d,2H),3.35(d,1H),3.44(t,2H),3.57(q,2H),4.02(s,2H),4.26(t,2H),4.93(s,2H),5.30(t,1H),6.40(d,1H),6.55(d,1H),6.74(s,1H),7.35(dd,1H),7.61-7.69(m,1H),7.80-7.88(m,1H),7.96(s,1H),8.08(s,1H),8.18(dd,1H),8.26(dd,1H),8.68(dd,1H),9.05(s,1H)。
(S)-3-(4-(4-(3-(4-氨基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-(N,N-二甲基氨基)苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(37)
Mp230-233℃;EIMS m/z:630[M+];1H NMR(DMSO-d6)δppm:2.98(s,6H),3.11(t,2H),3.25(d,3H),3.35(d,1H),3.46(t,8H),4.27(t,2H),4.93(s,2H),5.24(t,1H),6.20(s,2H),6.35(d,2H),6.52(d,1H),6.61(d,1H),6.83(q,1H),7.00(s,1H),7.17(d,2H),7.30(d,1H),7.82(s,1H),8.13(d,1H)。
(S)-3-(4-((R)-3-(3-(4-氨基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-(N,N-二乙基氨基)苯基)-5-乙酰胺甲基-2-噁唑烷酮(38)
Mp254-257℃;EIMS m/z:606[M+];1H NMR(DMSO-d6)δppm:1.20(t,6H),1.60(t,2H),1.90(s,3H),2.04(s,1H),2.51-2.60(m,1H),2.73(t,2H),2.82(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.44(q,4H),3.75(d,2H),4.20(t,2H),4.96(s,2H),5.24(t,1H),6.20(s,2H),6.35(d,2H),6.50(d,1H),6.60(d,1H),7.00(s,1H),7.20(s,2H),8.15(s,1H)。
(S)-3-(4-((R)-2-(3-(4-氨基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-羟基苯基)-5-丙酰胺甲基-2-噁唑烷酮(39)
Mp222-225℃;EIMS m/z:581[M+];1H NMR(DMSO-d6)δppm:1.05(t,3H),2.00(s,1H),2.32(q,2H),2.65(t,2H),2.79(d,2H),2.94(t,2H),3.12(d,1H),3.37(d,1H),3.53(d,2H),3.87(t,2H),4.10(t,2H),4.82(t,1H),4.95(s,2H),5.24(t,1H),5.40(s,1H),6.20(s,2H),6.35(d,2H),6.60(d,1H),6.70(d,1H),7.10(d,2H),7.18(s,1H),8.09(s,1H)。
(S)-3-(4-(2-(3-(4-氨基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-甲氧基苯基)-5-丁酰胺甲基-2-噁唑烷酮(40)
Mp246-249℃;EIMS m/z:567[M+];1H NMR(DMSO-d6)δppm:0.92(t,3H),1.33-1.41(m,2H),2.05(s,1H),2.38(t,2H),2.69(t,2H),2.91(t,2H),3.09(d,1H),3.30(d,1H),3.38(t,2H),3.55(d,2H),3.87(s,3H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.31(t,1H),6.35(d,2H),6.50(d,1H),6.68(d,1H),7.01(d,2H),7.17(s,1H),8.00(s,1H)。
(S)-3-(4-(4-(3-(4-氟苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-乙氧基苯基)-5-正戊酰胺甲基-2-噁唑烷酮(41)
Mp212-215℃;EIMS m/z:624[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.12-1.21(m,2H),1.38(t,3H),1.60-1.69(m,2H),2.20(t,2H),3.09(t,2H),3.22(d,1H),3.45(d,3H),3.67(t,8H),4.12(q,2H),4.26(t,2H),4.93(s,2H),5.25(t,1H),6.70(d,1H),6.67(d,1H),7.10(s,1H),7.20(d,2H),7.40(d,2H)8.16(s,1H)。
(S)-3-(4-((R)-3-(3-(4-氟苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-乙氧基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(42)
Mp236-239℃;EIMS m/z:618[M+];1H NMR(DMSO-d6)δppm:1.62(t,2H),2.00(s,1H),2.51-2.60(m,1H),2.75(t,2H),2.84(d,2H),2.97(t,2H),3.12(d,1H),3.35(d,1H),3.50(d,2H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.74(d,1H),6.92(d,1H),7.21(d,2H),7.40(d,2H),7.60(s,1H),7.96-8.05(m,5H),8.15(s,1H)。
(S)-3-(4-((R)-2-(3-(4-氟苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-氯苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(43)
Mp254-257℃;EIMS m/z:651[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.71(t,2H),2.83(d,2H),2.94(t,2H),3.11(d,1H),3.19(d,2H),3.35(d,1H),3.85(t,2H),4.15(t,2H),4.82(t,1H),4.98(s,2H),5.24(t,1H),6.70(d,1H),7.10(d,1H),7.20(d,2H),7.40(d,2H),7.52-7.62(m,1H),7.87(s,1H),8.01(s,1H),8.20(d,1H),8.75(d,1H),9.05(s,1H)。
(S)-3-(4-(2-(3-(4-氟苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-溴苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(44)
Mp243-246℃;EIMS m/z:642[M+];1H NMR(DMSO-d6)δppm:1.96(s,1H),2.60(t,2H),2.98(t,2H),3.11(d,1H),3.19(d,2H),3.35(d,1H),3.38(t,2H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.30(t,1H),6.50(d,1H),6.80-6.88(m,1H),7.00(d,1H),7.20(d,2H),7.30(dd,1H),7.41(d,2H),7.60(s,1H),7.99(s,1H),8.10(dd,1H)。
(S)-3-(4-(4-(3-(4-氯苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-氨基苯基)-5-乙酰胺甲基-2-噁唑烷酮(45)
Mp232-235℃;EIMS m/z:569[M+];1H NMR(DMSO-d6)δppm:1.95(s,3H),3.00(t,2H),3.12(d,1H),3.35(d,1H),3.46(d,2H),3.68(t,8H),4.27(t,2H),4.93(s,2H),5.27(t,1H),6.30(s,2H),6.50(d,1H),6.62(d,1H),7.00(s,1H),7.36(d,2H),7.44(d,2H),8.04(s,1H)。
(S)-3-(4-((R)-3-(3-(4-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-甲胺基苯基)-5-丙酰胺甲基-2-噁唑烷酮(46)
Mp213-216℃;EIMS m/z:597[M+];1H NMR(DMSO-d6)δppm:1.05(t,3H),1.60(t,2H),2.02(s,1H),2.30(q,2H),2.43-2.52(m,1H),2.75(t,2H),2.80(d,2H),2.95(t,2H),3.06(s,3H),3.16(d,1H),3.35(d,1H),3.48(d,2H),3.98(s,1H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.48(d,1H),6.57(d,1H),6.80(s,1H),7.30(d,2H),7.47(d,2H),7.88(s,1H)。
(S)-3-(4-((R)-2-(3-(4-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-乙胺基苯基)-5-丁酰胺甲基-2-噁唑烷酮(47)
Mp229-232℃;EIMS m/z:641[M+];1H NMR(DMSO-d6)δppm:0.91(t,3H),1.30(t,3H),1.46-1.55(m,2H),2.00(s,1H),2.36(t,2H),2.73(t,2H),2.77(d,2H),2.90(t,2H),3.10(d,1H),3.35(d,1H),3.48(q,2H),3.73(d,2H),3.87(t,2H),4.02(s,1H),4.21(t,2H),4.84(t,1H),4.93(s,2H),5.24(t,1H),6.48(d,1H),6.56(d,1H),6.80(s,1H),7.30(d,2H),7.48(d,2H),7.99(s,1H)。
(S)-3-(4-(2-(3-(4-氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-(N,N-二甲基氨基)苯基)-5-正戊酰胺甲基-2-噁唑烷酮(48)
Mp244-247℃;EIMS m/z:613[M+];1H NMR(DMSO-d6)δppm:0.95(t,3H),1.34-1.44(m,2H),1.56-1.64(m,2H),2.00(s,1H),2.15(t,2H),2.65(t,2H),2.95(t,2H),3.03(s,6H),3.19(d,1H),3.30(d,1H),3.38(t,2H),3.50(d,2H),4.02(s,1H),4.20(t,2H),4.90(s,2H),5.33(t,1H),6.34(d,1H),6.49(d,1H),6.90(s,1H),7.30(d,2H),7.45(d,2H),8.10(s,1H)。
(S)-3-(4-(4-(3-(4-甲基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-(N,N-二乙基氨基)苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(49)
Mp226-228℃;EIMS m/z:667[M+];1H NMR(DMSO-d6)δppm:1.20(t,6H),2.39(s,3H),3.10(t,2H),3.22(d,1H),3.35(d,1H),3.46(q,4H),3.59(t,8H),3.70(d,2H),4.26(t,2H),4.93(s,2H),5.26(t,1H),6.51(d,1H),6.61(d,1H),7.02(s,1H),7.22(d,2H),7.30(d,2H),7.50-7.61(m,2H),7.75-7.84(m,1H),8.36(s,1H),8.69(dd,2H)。
(S)-3-(4-((R)-3-(3-(4-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-羟基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(50)
Mp234-237℃;EIMS m/z:613[M+];1H NMR(DMSO-d6)δppm:1.60(t,2H),2.02(s,1H),2.28(s,3H),2.50-2.60(m,1H),2.75(t,2H),2.83(d,2H),2.95(t,2H),3.12(d,1H),3.23(d,2H),3.35(d,1H),4.10(t,2H),4.93(s,2H),5.24(t,1H),5.38(s,1H),6.62(d,1H),7.02(d,1H),7.18(s,1H),7.27(d,2H),7.38(d,2H),7.59-7.68(m,1H),8.04(s,1H),8.26(dd,1H),8.75(dd,1H),9.05(s,1H)。
(S)-3-(4-((R)-2-(3-(4-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-甲氧基苯基)-5-乙酰胺甲基-2-噁唑烷酮(51)
Mp199-202℃;EIMS m/z:580[M+];1H NMR(DMSO-d6)δppm:1.69(s,3H),2.00(s,1H),2.38(s,3H),2.79(t,2H),2.88(d,2H),2.99(t,2H),3.12(d,1H),3.35(d,1H),3.46(d,2H),3.80(s,3H),3.89(t,2H),4.10(t,2H),4.82(t,1H),4.90(s,2H),5.26(t,1H),6.66(d,1H),6.74(d,1H),7.15(d,2H),7.26(s,1H),7.39(d,2H),8.22(s,1H)。
(S)-3-(4-(2-(3-(4-甲基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-乙氧基苯基)-5-丙酰胺甲基-2-噁唑烷酮(52)
Mp228-231℃;EIMS m/z:566[M+];1H NMR(DMSO-d6)δppm:1.05(t,3H),1.35(t,3H),2.06(s,1H),2.30(q,2H),2.38(s,3H),2.65(t,2H),2.93(t,2H),3.15(d,1H),3.35(d,1H),3.44(t,2H),3.51(d,2H),4.05(s,1H),4.16(q,2H),4.26(t,2H),4.93(s,2H),5.10(t,1H),6.50(d,1H),6.60(d,1H),7.17(s,1H),7.25(d,2H),7.39(d,2H),7.95(s,1H)。
(S)-3-(4-(4-(3-(4-苄氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-氟苯基)-5-丁酰胺甲基-2-噁唑烷酮(53)
Mp191-194℃;EIMS m/z:672[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.43-1.51(m,2H),2.39(t,2H),3.10(t,2H),3.22(d,1H),3.35(d,1H),3.45(d,2H),3.78(t,8H),4.27(t,2H),4.93(s,2H),5.20(s,2H),5.54(t,1H),6.77(d,1H),6.99(d,3H),7.40-7.50(m,5H),7.63(s,1H),7.87(d,2H),8.02(s,1H)。
(S)-3-(4-((R)-3-(3-(4-苄氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-氯苯基)-5-正戊酰胺甲基-2-噁唑烷酮(54)
Mp262-265℃;EIMS m/z:702[M+];1H NMR(DMSO-d6)δppm:0.95(t,3H),1.17-1.25(m,2H),1.35-1.44(m,2H),1.62(t,2H),2.06(s,1H),2.16(t,2H),2.33-2.44(m,1H),2.78(t,2H),2.87(d,2H),2.98(t,2H),3.14(d,1H),3.35(d,1H),3.43(d,2H),4.10(t,2H),4.93(s,2H),5.20(s,2H),5.44(t,1H),6.72(d,1H),6.98(d,2H),7.14(d,1H),7.40-7.50(m,5H),7.59(d,2H),7.84(s,1H),8.55(s,1H)。
(S)-3-(4-((R)-2-(3-(4-苄氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-溴苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(55)
Mp241-244℃;EIMS m/z:782[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.80(t,2H),2.88(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.43(d,2H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.20(s,2H),5.28(t,1H),6.67(d,1H),6.96(d,2H),7.10(d,1H),7.41-7.50(m,5H),7.58(d,2H),7.72(s,1H),7.97-8.08(m,5H),8.06(s,1H)。
(S)-3-(4-(2-(3-(4-苄氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氨基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(56)
Mp211-214℃;EIMS m/z:678[M+];1H NMR(DMSO-d6)δppm:2.00(s,1H),2.66(t,2H),2.95(t,2H),3.11(d,1H),3.25(d,2H),3.35(d,1H),3.48(t,2H),4.03(s,1H),4.26(t,2H),4.93(s,2H),5.26(s,2H),5.49(t,1H),6.21(s,2H),6.34(d,1H),6.45(d,1H),6.74(s,1H),6.90(d,2H),7.30-7.37(m,5H),7.50(d,2H),7.60-7.68(m,1H),8.00(s,1H),8.25(dd,1H),8.75(dd,1H),8.99(s,1H)。
(S)-3-(4-(4-(3-(3,4-二羟基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-甲胺基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(57)
Mp206-209℃;EIMS m/z:633[M+];1H NMR(DMSO-d6)δppm:3.02(t,5H),3.20(d,3H),3.37(d,1H),3.47(t,8H),4.08(s,1H),4.27(t,2H),4.95(s,2H),5.24(t,1H),5.40(s,2H),6.57(d,2H),6.78(s,1H),6.88(q,1H),6.96(d,1H),7.06(d,1H),7.19(s,1H),7.30(d,1H),8.01(s,1H),8.12(d,1H)。
(S)-3-(4-((R)-3-(3-(3,4-二羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-乙胺基苯基)-5-丙酰胺甲基-2-噁唑烷酮(58)
Mp234-237℃;EIMS m/z:609[M+];1H NMR(DMSO-d6)δppm:1.06(t,3H),1.30(t,3H),1.60(t,2H),2.02(s,1H),2.30(q,2H),2.51-2.60(m,1H),2.72(t,2H),2.84(d,2H),2.95(t,2H),3.12(d,1H),3.35(d,1H),3.49(d,4H),4.02(s,1H),4.16(t,2H),4.93(s,2H),5.24(t,1H),5.38(s,2H),6.55(d,2H),6.77(s,2H),6.96(d,1H),7.06(d,1H),8.04(s,1H)。
(S)-3-(4-((R)-2-(3-(3,4-二羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-(N,N-二甲基氨基)苯基)-5-丁酰胺甲基-2-噁唑烷酮(59)
Mp258-261℃;EIMS m/z:639[M+];1H NMR(DMSO-d6)δppm:0.84(t,3H),0.99-1.08(m,2H),2.07(s,1H),2.36(t,2H),2.77(t,2H),2.85(d,2H),2.97(t,2H),3.09(s,6H),3.17(d,1H),3.38(d,1H),3.51(d,2H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.93(s,2H),5.19(t,1H),5.39(s,2H),6.50(d,1H),6.59(d,1H),6.75(s,1H),6.95(d,1H),6.99(s,1H),7.09(d,1H),7.62(s,1H)。
(S)-3-(4-(2-(3-(3,4-二羟基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-(N,N-二乙基氨基)苯基)-5-正戊酰胺甲基-2-噁唑烷酮(60)
Mp211-214℃;EIMS m/z:639[M+];1H NMR(DMSO-d6)δppm:0.92(t,3H),1.20(t,6H),1.33-1.41(m,2H),1.55-1.65(m,2H),1.95(s,1H),2.15(t,2H),2.60(t,2H),2.90(t,2H),3.15(d,1H),3.26(d,1H),3.37(t,2H),3.45(d,2H),3.70(q,4H),4.02(s,1H),4.26(t,2H),4.93(s,2H),5.23(t,1H),5.40(s,2H),6.34(d,1H),6.48(d,1H),6.76(s,2H),6.96(d,1H),7.09(d,1H),8.00(s,1H)。
(S)-3-(4-(4-(3-(3,4-二乙氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-羟基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(61)
Mp230-233℃;EIMS m/z:686[M+];1H NMR(DMSO-d6)δppm:1.36(t,6H),3.12(t,2H),3.23(d,1H),3.37(d,3H),3.47(t,8H),4.11(q,4H),4.28(t,2H),4.95(s,2H),5.24(t,1H),5.40(s,1H),6.60(d,1H),6.72(d,1H),6.85(s,1H),6.99(d,1H),7.11(d,1H),7.47(s,1H),7.66-7.74(m,5H),8.58(s,1H)。
(S)-3-(4-((R)-3-(3-(3,4-二乙氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-甲氧基苯基)-5-乙酰胺甲基-2-噁唑烷酮(62)
Mp266-269℃;EIMS m/z:701[M+];1H NMR(DMSO-d6)δppm:1.36(t,6H),1.61(t,2H),2.02(s,1H),2.31-2.41(m,1H),2.62(t,2H),2.80(d,2H),2.95(t,2H),3.12(d,1H),3.21(d,2H),3.35(d,1H),3.86(s,3H),4.10(t,2H),4.36(q,4H),4.93(s,2H),5.24(t,1H),6.68(d,1H),6.85(s,1H),7.02(d,2H),7.11(d,1H),7.22(s,1H),7.62-7.70(m,1H),7.81(s,1H),8.26(dd,1H),8.75(dd,1H),9.06(s,1H)。
(S)-3-(4-((R)-2-(3-(3,4-二乙氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-乙氧基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(63)
Mp258-261℃;EIMS m/z:720[M+];1H NMR(DMSO-d6)δppm:1.35(t,9H),1.99(s,1H),2.78(t,2H),2.87(d,2H),2.95(t,2H),3.12(d,1H),3.23(d,2H),3.35(d,1H),3.89(t,2H),4.08(t,2H),4.19(q,6H),4.82(t,1H),4.94(s,2H),5.32(t,1H),6.66(d,2H),6.78(s,1H),6.90-6.99(m,1H),7.12(d,2H),7.23(s,1H),7.60(d,1H),8.22(s,1H),8.41(d,1H)。
(S)-3-(4-(2-(3-(3,4-二乙氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-氟苯基)-5-乙酰胺甲基-2-噁唑烷酮(64)
Mp215-218℃;EIMS m/z:600[M+];1H NMR(DMSO-d6)δppm:1.22(t,6H),1.89(s,3H),2.06(s,1H),2.65(t,2H),2.97(t,2H),3.11(d,1H),3.21(d,1H),3.30(t,2H),3.55(d,2H),4.01(s,1H),4.12(q,4H),4.26(t,2H),4.95(s,2H),5.24(t,1H),6.44(s,1H),6.60(d,1H),6.76(s,1H),6.84(d,1H),6.99(d,2H),7.55(s,1H)。
(S)-3-(4-(4-(3-(3,4-二氯苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-氯苯基)-5-丁酰胺甲基-2-噁唑烷酮(65)
Mp207-210℃;EIMS m/z:650[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.21-1.30(m,2H),2.37(t,2H),3.09(t,2H),3.22(d,1H),3.37(d,1H),3.48(t,8H),3.90(d,2H),4.27(t,2H),4.94(s,2H),5.25(t,1H),6.72(d,1H),7.11(d,2H),7.27(s,1H),7.42(d,1H),7.89(s,1H),8.15(s,1H)。
(S)-3-(4-((R)-3-(3-(3,4-二氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-溴苯基)-5-正戊酰胺甲基-2-噁唑烷酮(66)
Mp245-248℃;EIMS m/z:708[M+];1H NMR(DMSO-d6)δppm:0.86(t,3H),1.03-1.12(m,2H),1.34-1.42(m,2H),1.59(t,2H),2.03(s,1H),2.18(t,2H),2.56-2.65(m,1H),2.76(t,2H),2.89(d,2H),2.98(t,2H),3.12(d,1H),3.35(d,1H),3.44(d,2H),4.16(t,2H),4.98(s,2H),5.25(t,1H),6.69(d,1H),7.10(d,1H),7.22(d,1H),7.30(s,1H),7.42(d,2H),7.74(s,1H),8.04(s,1H)。
(S)-3-(4-((R)-2-(3-(3,4-二氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-氨基苯基)-5-苯甲酰胺甲基-2-噁唑烷酮(67)
Mp222-225℃;EIMS m/z:681[M+];1H NMR(DMSO-d6)δppm:2.02(s,1H),2.70(t,2H),2.84(d,2H),2.96(t,2H),3.12(d,1H),3.35(d,1H),3.46(d,2H),3.85(t,2H),4.10(t,2H),4.82(t,1H),4.98(s,2H),5.26(t,1H),6.25(s,2H),6.42(d,2H),6.79(s,1H),7.18(d,1H),7.26(s,1H),7.40(d,1H),7.94-8.02(m,5H),8.23(s,1H)。
(S)-3-(4-(2-(3-(3,4-二氯苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-甲胺基苯基)-5-(吡啶-3-基)甲酰胺甲基-2-噁唑烷酮(68)
Mp239-342℃;EIMS m/z:654[M+];1H NMR(DMSO-d6)δppm:2.06(s,1H),2.66(t,2H),2.95(t,2H),3.16(s,3H),3.29(d,2H),3.38(t,2H),3.45(d,2H),4.06(s,2H),4.26(t,2H),4.93(s,2H),5.33(t,1H),6.38(d,1H),6.47(d,1H),6.74(s,1H),7.15(d,1H),7.25(s,1H),7.39(d,1H),7.63-7.71(m,1H),7.99(s,1H),8.26(dd,1H),8.75(dd,1H),9.06(s,1H)。
(S)-3-(4-(4-(3-(3,4-二甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙基)哌嗪-1-基)-3-乙胺基苯基)-5-(呋喃-2-基)甲酰胺甲基-2-噁唑烷酮(69)
Mp256-259℃;EIMS m/z:675[M+];1H NMR(DMSO-d6)δppm:1.30(t,3H),3.12(t,3H),3.20(d,3H),3.37(d,1H),3.46(t,8H),3.60(q,2H),3.92(s,6H),4.07(s,1H),4.27(t,2H),4.95(s,2H),5.24(t,1H),6.52(d,1H),6.67(d,1H),6.77(s,1H),6.88(q,1H),6.95(d,1H),7.11(d,1H),7.30(d,1H),7.75(s,1H),8.34(s,1H),8.55(d,1H)。
(S)-3-(4-((R)-3-(3-(3,4-二甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吡咯烷-1-基)-3-(N,N-二甲基氨基)苯基)-5-乙酰胺甲基-2-噁唑烷酮(70)
Mp251-254℃;EIMS m/z:623[M+];1H NMR(DMSO-d6)δppm:1.60(t,2H),1.88(s,3H),2.02(s,1H),2.63-2.72(m,1H),2.80(d,2H),2.94(t,4H),3.13(s,6H),3.35(d,4H),3.43(s,6H),4.10(t,2H),4.93(s,2H),5.24(t,1H),6.50(d,1H),6.61(d,1H),6.82(s,2H),6.98(d,1H),7.12(d,1H),8.44(s,1H)。
(S)-3-(4-((R)-2-(3-(3,4-二甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)吗啉-4-基)-3-(N,N-二乙基氨基)苯基)-5-丙酰胺甲基-2-噁唑烷酮(71)
Mp187-191℃;EIMS m/z:568[M+];1H NMR(DMSO-d6)δppm:1.00(t,3H),1.20(t,6H),2.06(s,1H),2.31(q,2H),2.61(t,2H),2.85(d,2H),2.97(t,2H),3.12(d,1H),3.26(d,1H),3.39(q,4H),3.47(d,2H),3.80(s,6H),3.88(t,2H),4.10(t,2H),4.86(t,1H),4.93(s,2H),5.34(t,1H),6.50(d,1H),6.60(d,1H),6.80(s,1H),6.92(s,1H),6.95(d,1H),7.10(d,1H),8.00(s,1H)。
(S)-3-(4-(2-(3-(3,4-二甲氧基苯基)-2(5H)-呋喃酮-4-基氧乙胺基)乙胺基)-3-羟基苯基)-5-乙酰胺甲基-2-噁唑烷酮(72)
Mp213-216℃;EIMS m/z:568[M+];1H NMR(DMSO-d6)δppm:1.88(s,3H),2.00(s,1H),2.69(t,2H),2.97(t,2H),3.09(d,1H),3.39(t,2H),3.49(d,3H),3.85(s,6H),4.00(s,1H),4.26(t,2H),4.93(s,2H),5.32(t,1H),5.40(s,1H),6.44(d,1H),6.68(d,1H),6.85(s,1H),6.99(d,1H),7.12(d,1H),7.35(s,1H),7.96(s,1H)。

Claims (4)

1.一类呋喃酮-芳基-噁唑烷酮型化合物,其特征是它们具有如下结构通式: 
Figure 2013104041928100001DEST_PATH_IMAGE001
I中R1、R2、R3和R4的定义如下:
R1=
Figure 541439DEST_PATH_IMAGE002
Figure DEST_PATH_IMAGE003
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Figure DEST_PATH_IMAGE005
Figure 907491DEST_PATH_IMAGE006
Figure DEST_PATH_IMAGE007
Figure 833859DEST_PATH_IMAGE008
Figure 2013104041928100001DEST_PATH_IMAGE009
Figure 913810DEST_PATH_IMAGE010
Figure 2013104041928100001DEST_PATH_IMAGE011
Figure 81935DEST_PATH_IMAGE014
Figure DEST_PATH_IMAGE015
Figure DEST_PATH_IMAGE017
Figure 746451DEST_PATH_IMAGE018
Figure DEST_PATH_IMAGE019
,R2=
Figure 431827DEST_PATH_IMAGE022
Figure DEST_PATH_IMAGE023
,R3=F、Cl、Br、NH2、NHMe、NHEt、NMe2、NEt2、OH、OMe或OEt,则R4=Me、Et、n-Pr、n-Bu、
Figure DEST_PATH_IMAGE025
Figure 629908DEST_PATH_IMAGE026
2.一种制备上述呋喃酮-芳基-噁唑烷酮型化合物的方法,其特征是它包括下列步骤:
步骤1:将2-R1乙酸钠溶于DMSO中,在室温下加入溴乙酸乙酯,物质的量之比:2-R1乙酸钠:溴乙酸乙酯=1:1-1:3,升温至30-40 ℃之间反应7-l0h,乙酸乙酯稀释,水洗,有机层用饱和食盐水洗至中性,干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为20:1-5:1,得到油状2-(2-R1乙酰氧基)乙酸乙酯(II);
步骤2:在室温下将NaH加入到无水四氢呋喃(THF)中,然后滴入2-(2-R1乙酰氧基)乙酸乙酯(II)的无水四氢呋喃溶液,物质的量之比为:II:NaH=l:l,室温反应2-7 h,反应完毕,加入碎冰,用乙醚萃取,水层酸化,析出沉淀,抽滤,得白色到淡黄色固体,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为10:1-2:1,得到4-羟基-3-R1-2(5H)-呋喃酮(III);
步骤3:将4-羟基-3-R1-2(5H)-呋喃酮(III),1,2-二溴乙烷和三乙胺溶于无水丙酮中,物质量之比:III:1,2-二溴乙烷:三乙胺=1:(10-30):(1-3),回流4-10 h,反应完毕,加水,乙酸乙酯萃取,有机层分别用饱和NaHCO3溶液及饱和食盐水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOEt,石油醚与AcOEt的体积比为8:1-1:4,得产物4-溴乙氧基-3-R1-2(5H)-呋喃酮(IV);
步骤4:将3-R2-4-R3苯甲酸加入到含三乙胺的甲氧基甲酰氯中,室温下反应1-2h后,加入适量叠氮化钠,继续反应1h,加入(S)-2-叠氮甲基环氧乙烷、溴化锂、三丁基氧磷,物质的量之比:3-R2-4-R3苯甲酸:三乙胺:叠氮化钠: (S)-2-叠氮甲基环氧乙烷:溴化锂:三丁基氧磷=1:(1-2):(4-6):(1-2):(1-2):(0.5-1.5):(1-3),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为14:1-2:1,得到(R)-N-(3-R2-4-R3苯基)-5-叠氮甲基-2-噁唑烷酮(V);
步骤5:将4-溴乙氧基-3-R1-2(5H)-呋喃酮(IV)、(R)-N-(3-R2-4-R3苯基)-5-叠氮甲基-2-噁唑烷酮(V)、4-N,N-二甲胺基吡啶(DMAP)、KI和溶剂DMSO,70℃反应48-72h,物质量之比:IV:V:4-N,N-二甲胺基吡啶:KI=(2-4):(4-7):(3-6):1,反应完毕后,加入二氧化铂并通入氢气,物质量之比:V:二氧化铂=1:(0.1-0.2),室温下反应0.5-1h,加入水,析出固体,经柱层析纯化,得产物得到化合物(R)-N-(3-R3-4-R2苯基)-5-胺甲基-2-噁唑烷酮(VI),洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为15:1-10:1; 
步骤6:将(R)-N-(3-R3-4-R2苯基)-5-胺甲基-2-噁唑烷酮(VI)与R4-甲酸溶于5mLDMSO中,搅拌下加入TBTU和三乙胺25-40 ℃下反应5-10h,物质量比为:VI:R4-甲酸:TBTU:三乙胺=1:( 1-2):(1-3):(10-30),反应完毕后加入水,析出固体,经柱层析纯化,得呋喃酮-芳基-噁唑烷酮型化合物(I),洗脱剂为氯仿-甲醇,氯仿与甲醇的体积比为7:1-15:1;
其中所述的R1、R2、R3和R4的定义与上述的定义相同。
3.权利要求1所述的一类呋喃酮-芳基-噁唑烷酮型化合物具有多靶点的抗菌作用机制。
4.权利要求1所述的一类呋喃酮-芳基-噁唑烷酮型化合物在抗菌药物中的应用。
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