一种多取代γ-丁内酯类化合物、制备方法及其应用与流程

文档序号:18701329发布日期:2019-09-17 22:56阅读:672来源:国知局

本发明涉有机合成的技术领域,具体的说,是指一种多取代γ-丁内酯类化合物、制备方法及其应用。



背景技术:

γ-丁内酯是一种无色油状液体,能与水混溶,溶于甲醇、乙醇、丙酮、乙醚和苯。能随水蒸气挥发并可在热碱溶液中分解,有芳香气味。

目前,合成γ-丁内酯的方法有很多,但是现有制备多取代的γ-丁内酯的却很少,而多取代的γ-丁内酯广泛存在各种天然产物和药物分子中,具有很好的生物活性,现有制备过程复杂,且转化率较低。



技术实现要素:

本发明提供一种多取代γ-丁内酯类化合物、制备方法及其应用,

本发明的第一个目的的在于提供一种多取代γ-丁内酯类化合物,其化学结构式如下:

其中,r1为芳基或芳杂基,r2与r3为烷基,r4为芳基或烷基。

r1选自对氟苯基、对氯苯基、対溴苯基、吡啶基中的一种或多种。

r4选自2-萘基、对氟苯基、对氯苯基、対溴苯基、对三氟甲基苯基中的一种或多种。

本发明所提供的化合物具有一定的生物活性和抗菌和/或抗肿瘤的功能,具体是因为化合物中的r1含有对氟苯基、对氯苯基、対溴苯基、吡啶基;或者r4为2-萘基、对氟苯基、对氯苯基、対溴苯基、对三氟甲基苯基,才使得该化合物具有一定的生物活性,从而使得该化合物可以作为潜在药物或候选药物,本化合物中因为含有三氟甲基、f、cl、br、氰基、萘基等,从而可以用于抗菌和/或抗肿瘤。

本发明的第二个目的的在于提供一种多取代γ-丁内酯类化合物的制备方法,该多取代γ-丁内酯类化合物的化学反应式如下:

具体的反应步骤为:

称取一定量的n-取代马来酰亚胺和烯丙醇加入反应瓶中,并向反应瓶中加入溶剂、催化剂和还原剂,反应一定时间后,通过分离提纯得到最终的多取代γ-丁内酯类化合物。

本发明所提供的一种多取代γ-丁内酯类化合物的制备方法,通过采用缺电子的烯烃受体(n-取代马来酰亚胺)和富电子的烯烃给体(烯丙醇)配合反应制得。

该制备过程简单,易于操作,且收率高,进而使得该制备方法更适用于工业化大规模的生产。

为了更好的实现本发明,进一步的,所述溶剂选自甲苯、乙苯、苯、二氯甲烷、乙醇、异丙醇、甲醇、正丁醇、1,2-二氯乙烷、四氢呋喃、1,4-二氧六环、乙醚、乙二醇二甲醚、乙腈、dmf、dma、dmso中的一种或几种。

进一步,优选溶剂为乙腈或乙腈与醚类溶剂的混合溶剂,该优选的溶剂对合成收率有着较大的影响,通过长期的实验得出,当溶剂选用乙腈或乙腈与醚类溶剂时,收率最高。

为了更好的实现本发明,进一步的,所述催化剂选自zn(oac)2.2h2o、cuso4.5h2o、cu(otf)2、pd(oac)2、feso4、fe(acac)3、fecl3、fe(ox)3.6h2o、febr3、co(acac)2、ni(acac)2、mncl2.4h2o、la(otf)3中的一种或几种。

为了使合成反应中收率最高,因此优选催化剂为co(acac)2、ni(acac)2,,除了能够提高收率外,现在镍钴催化剂相对钯催化剂较便宜,能够为企业节约生产成本。

为了更好的实现本发明,进一步的,所述还原剂选自nabh4、nacnbh3、hsicl3、et3sih、phsih3、(eto)3sih、hcooh、pmhs中的一种或几种。

通常还原剂与催化剂的协同作用来提高合成的收率,优选还原剂为nabh4、nacnbh3,主要原因是能够提高收率的同时还能够降低成本。

为了更好的实现本发明,进一步的,所述n-取代马来酰亚胺与烯丙醇的摩尔比为1:0.4~5。

在该比值范围下均能以较高的收率得到目标产物,进一步优选比例为1:4,在该条件下,收率高,成本低。

为了更好的实现本发明,进一步的,所述n-取代马来酰亚胺与催化剂的摩尔比为1:0.1~2。

在该比值范围下均能以较高的收率得到目标产物,进一步优选比例为1:1,在该条件下,收率高,成本低。

为了更好的实现本发明,进一步的,所述n-取代马来酰亚胺与还原剂的摩尔比为1:0.5~6。

在该比值范围下均能以较高的收率得到目标产物,进一步优选比例为1:1,在该条件下,收率高,成本低。

为了更好的实现本发明,进一步的,所述n-取代马来酰亚胺与溶剂的比例为n-取代马来酰亚胺浓度为0.1-2mol/l,其最优浓度为1mol/l。

为了更好的实现本发明,进一步的,所述反应时间为1~24h。

设置反应时间为1~24h,可以使反应更加充分,并且杂质少,当超过24小时,反应体现杂质增多。

为了更好的实现本发明,进一步的,所述该反应的反应温度为室温~100℃,最优温度为40℃。反应对压力没有要求。

本发明的第三个目的在于提供一种多取代γ-丁内酯类化合物在抗菌和/或抗肿瘤药物中的应用。

在抗心脏病药物喜巴辛、ixocarpalactone提取于墨西哥粘果酸浆、杯苋甾酮是川牛膝的有效成分中均含有γ-丁内酯,其中杯苋甾酮具有祛风除湿的疗效,ixocarpalactone具有抗结肠癌的活性。

合成机理:

本发明实施例的有益效果是:本发明通过n-取代马来酰亚胺与烯丙醇在溶剂、催化剂和还原剂制得多取代γ-丁内酯类化合物,该化合物具有生物活性,可以应用在抗菌、抗肿瘤等药物中;

本发明通过n-取代马来酰亚胺与烯丙醇一步合成,原料易得,操作简单,合成方便、快捷,可以应用于工业生产;

本发明所提供的制备方法采用的原料价格低廉,对环境友好,且中间产物少,同时最终得到的多取代γ-丁内酯收率高。

具体实施方式

为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。

一种多取代γ-丁内酯的制备方法,包括以下反应式:

具体制备步骤如下:

反应瓶中依次加入n-对氯苯基马来酰亚胺、烯丙烯、催化剂、还原剂和混合溶剂,室温反应1~24h,加水淬灭,乙酸乙酯萃取,重结晶得最终目标产物白色固体。

实施例1:

原料是:1.7gn-苯基马来酰亚胺;1.5g1-苯基-2-甲基烯丙醇

还原剂是:2.0g苯硅烷

催化剂是:2.1g乙酰丙酮钴

溶剂是:6mldmf与thf的混合溶剂

目标产物如下:

白色固体,熔点.196-198℃;1hnmr(400mhz,dmso-d6)δ9.79(s,1h),7.27(d,j=7.8hz,2h),7.05(dd,j=14.3,7.0hz,3h),7.01–6.91(m,4h),6.71(t,j=7.4hz,1h),5.05(s,1h),3.06(s,1h),2.28(dd,j=15.5,7.4hz,1h),2.21–2.14(m,1h),0.79(s,3h),0.16(s,3h).13cnmr(101mhz,dmso-d6)δ177.49,169.32,139.58,135.13,129.18,128.65,128.62,126.53,123.65,119.51,87.29,48.59,44.45,32.07,22.91,17.51.hrms:[m+na]+calcd.forc20h21nnao3+:346.1414;found:346.1416。

实施例2:

原料是:1.7gn-苯基马来酰亚胺;1.6g1-(4-氟-苯基)-2-甲基烯丙醇

还原剂是:2.0g苯硅烷

催化剂是:2.1g乙酰丙酮钴

溶剂是:6ml乙腈

目标产物如下:

白色固体,熔点.176-177℃;1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.61(d,j=7.8hz,2h),7.39–7.19(m,6h),7.04(t,j=7.6hz,1h),5.40(s,1h),3.37-3.40(d,j=9hz,1h),2.70–2.51(m,2h),1.11(s,3h),0.50(s,3h).1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.57(d,j=7.4hz,2h),7.37–7.20(m,6h),7.03(t,j=7.4hz,1h),5.34(s,1h),3.05(t,j=6.8hz,1h),2.60(dd,j=6.8,4.6hz,2h),1.16(s,3h),0.66(s,3h).13cnmr(101mhz,dmso-d6)δ177.33,169.27,163.57,139.58,131.29,129.18,128.73,128.65,123.64,119.51,115.67,115.46,86.68,48.52,44.45,32.05,22.82,17.43.19fnmr(376mhz,dmso-d6)δ-114.16.hrms:[m+na]+calcd.forc20h20nfnao3+:364.1319;found:364.1322.

实施例3:

原料是:1.7gn-苯基马来酰亚胺;1.8g1-(4-氯-苯基)-2-甲基烯丙醇

还原剂是:1.2g三乙基硅烷

催化剂是:2.0g醋酸铜

溶剂是:10ml甲醇与dmf的混合溶剂

目标产物如下:

白色固体,熔点.207-208℃;1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.61(d,j=8.0hz,2h),7.48(d,j=8.2hz,2h),7.30(t,j=7.6hz,4h),7.03(d,j=7.7hz,1h),5.40(s,1h),3.39-3.41(d,j=6hz,1h),2.62(dd,j=15.6,7.3hz,1h),2.48(d,j=6.4hz,1h),1.13(s,3h),0.50(s,3h).1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.57(d,j=8.0hz,2h),7.50(d,j=8.2hz,2h),7.29(dd,j=8.1,5.3hz,4h),7.04(t,j=7.3hz,1h),5.34(s,1h),3.04(t,j=6.7hz,1h),2.71–2.53(m,2h),1.16(s,3h),0.67(s,3h).13cnmr(101mhz,dmso-d6)δ177.27,169.25,139.57,134.18,133.26,129.18,128.73,128.43,123.65,119.52,86.53,48.50,44.49,32.02,22.81,17.43.hrms:[m+na]+calcd.forc20h20nclnao3+:380.1024;found:380.1028.

实施例4:

原料是:1.7gn-苯基马来酰亚胺;2.3g1-(4-溴-苯基)-2-甲基烯丙醇

还原剂是:1.2g三乙基硅烷

催化剂是:2.0g醋酸铜

溶剂是:10ml甲醇与dmf的混合溶剂

目标产物如下:

白色固体,熔点.118-120℃;1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.62(d,j=8.6hz,4h),7.37–7.21(m,4h),7.04(t,j=7.3hz,1h),5.39(s,1h),3.40(d,j=6.8hz,1h),2.62(dd,j=15.5,7.3hz,1h),2.47(s,1h),1.13(s,3h),0.50(s,3h).1hnmr(300mhz,dmso-d6)δ10.12(s,1h),7.63(d,j=8.4hz,2h),7.57(d,j=7.9hz,3h),7.35–7.19(m,4h),7.04(t,j=7.3hz,1h),5.32(s,1h),3.04(t,j=6.7hz,1h),2.68–2.53(m,2h),1.16(s,3h),0.67(s,3h).13cnmr(101mhz,dmso-d6)δ177.27,169.25,139.57,134.62,131.64,129.18,128.74,123.66,121.81,119.52,86.56,48.49,44.45,32.02,22.81,17.44.hrms:[m+na]+calcd.forc20h20nbrnao3+:424.0519;found:424.0521.

实施例5:

原料是:1.7gn-苯基马来酰亚胺;2.2g1-(4-三氟甲基-苯基)-2-甲基烯丙醇

还原剂是:1.2g三乙基硅烷

催化剂是:1.6g三氯化铁

溶剂是:10ml甲醇与dmf的混合溶剂

目标产物如下:

白色固体,熔点.222-224℃;1hnmr(400mhz,dmso-d6)δ9.88(s,1h),7.52(d,j=8.1hz,2h),7.40–7.32(m,2h),7.27(d,j=8.0hz,2h),7.08–7.00(m,2h),6.82–6.74(m,1h),5.25(s,1h),3.21–3.15(m,1h),2.41–2.34(m,1h),2.26(dd,j=14.1,4.9hz,1h),0.91(s,3h),0.23(s,3h).1hnmr(400mhz,dmso-d6)δ9.86(s,1h),7.56(d,j=6.1hz,2h),7.36–7.28(m,2h),7.25(d,j=7.7hz,2h),7.08–6.98(m,2h),6.82–6.73(m,1h),5.20(s,1h),2.83–2.75(m,1h),2.40(d,j=15.7hz,1h),2.24(t,j=3.6hz,1h),0.93(s,3h),0.41(s,3h).13cnmr(101mhz,dmso-d6)δ177.16,169.22,140.02,139.57,129.33,129.17,129.02,127.34,125.94,125.62,125.58,123.66,123.23,119.53,86.40,48.47,44.58,31.97,22.82,17.47.19fnmr(376mhz,dmso-d6)δ-61.11.hrms:[m+na]+calcd.forc21h20nf3nao3+:414.1287;found:414.1290.

实施例6:

原料是:1.7gn-苯基马来酰亚胺;1.8g1-(4-氰基-苯基)-2-甲基烯丙醇

还原剂是:1.2g三乙基硅烷

催化剂是:1.7g草酸铁

溶剂是:10ml甲醇

目标产物如下:

白色固体,熔点.194-196℃;1hnmr(300mhz,dmso-d6)δ10.14(s,1h),7.61(d,j=7.2hz,2h),7.45(d,j=6.4hz,2h),7.29(dd,j=15.3,7.4hz,4h),7.04(t,j=7.4hz,1h),5.41(s,1h),3.39(s,1h),2.62(dd,j=15.6,7.3hz,1h),2.53(d,j=6.3hz,1h),1.14(s,3h),0.51(s,3h).1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.57(d,j=7.3hz,2h),7.51–7.40(m,2h),7.39–7.19(m,4h),7.04(t,j=7.4hz,1h),5.35(s,1h),3.05(t,j=6.7hz,1h),2.71–2.51(m,2h),1.17(s,3h),0.69(s,3h).13cnmr(101mhz,dmso-d6)δ177.15,169.22,139.57,137.74,133.54,130.67,129.18,128.66,126.24,125.33,123.65,119.51,86.34,48.47,44.50,31.98,22.88,17.48.hrms:[m+na]+calcd.forc21h20n2nao3+:371.1366;found:371.1369.

实施例7:

原料是:1.7gn-苯基马来酰亚胺;1.9g1-(2-氯-苯基)-2-甲基烯丙醇

还原剂是:0.5g硼氢化钠

催化剂是:2.0g醋酸钯

溶剂是:10ml1,2-二氯乙烷

目标产物如下:

白色固体,熔点.150-152℃;1hnmr(400mhz,dmso-d6)δ10.14(s,1h),7.61(d,j=8.0hz,2h),7.56–7.48(m,1h),7.47–7.36(m,3h),7.31(t,j=7.8hz,2h),7.04(t,j=7.5hz,1h),5.85(d,j=2.9hz,1h),3.51(t,j=6.8hz,1h),2.63(dd,j=15.6,7.4hz,1h),2.56–2.50(m,1h),1.19(s,3h),0.64(s,3h).1hnmr(300mhz,dmso-d6)δ10.16(s,1h),7.63–7.51(m,3h),7.50–7.40(m,2h),7.35–7.22(m,3h),7.10–6.98(m,1h),5.64(s,1h),3.15(t,j=6.7hz,1h),2.70–2.53(m,2h),1.23(s,4h),0.80(s,3h).13cnmr(101mhz,dmso-d6)δ177.39,169.25,139.58,132.84,132.30,130.54,130.24,129.71,129.18,127.40,123.64,119.52,83.47,48.59,45.60,32.01,24.35,18.20.hrms:[m+na]+calcd.forc20h20nclnao3+:380.1024;found:380.1029.

实施例8:

原料是:1.7gn-苯基马来酰亚胺;1.6g1-(3-氯-苯基)-2-甲基烯丙醇

还原剂是:2.0g苯硅烷

催化剂是:2.1g乙酰丙酮钴

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.185-187℃;1hnmr(400mhz,dmso-d6)δ10.11(s,1h),7.58(d,j=7.3hz,2h),7.46–7.39(m,2h),7.33–7.21(m,4h),7.06–6.98(m,1h),5.39(s,1h),3.39–3.34(m,1h),2.59(dd,j=15.6,7.4hz,1h),2.51(d,j=6.3hz,1h),1.12(s,3h),0.49(s,3h).1hnmr(300mhz,dmso-d6)δ10.11(s,1h),7.57(d,j=8.0hz,2h),7.47(d,j=6.4hz,2h),7.28(td,j=15.4,13.9,8.0hz,4h),7.04(t,j=7.3hz,1h),5.35(s,1h),3.05(t,j=6.7hz,1h),2.61(t,j=6.3hz,2h),1.17(s,3h),0.70(s,3h).13cnmr(101mhz,dmso-d6)δ177.15,169.22,139.57,137.74,133.54,130.68,129.18,128.67,126.24,125.33,123.65,119.52,86.35,48.47,44.51,31.98,22.88,17.48.hrms:[mh+]calcd.forc20h21nclo3:358.1204;found:358.1207.

实施例9:

原料是:1.7gn-苯基马来酰亚胺;2.6g1-(3,4-二氯-苯基)-2-甲基烯丙醇

还原剂是:2.0g苯硅烷

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.165-168℃;1hnmr(400mhz,dmso-d6)δ10.14(s,1h),7.70(d,j=8.3hz,1h),7.65–7.56(m,2h),7.55(d,j=2.0hz,1h),7.36–7.26(m,3h),7.10–7.01(m,1h),5.43(s,1h),3.42–3.37(m,1h),2.65–2.59(m,1h),2.54(d,j=6.3hz,1h),1.15(s,3h),0.53(s,3h).1hnmr(300mhz,dmso-d6)δ10.12(s,1h),7.70(d,j=8.3hz,1h),7.57(dd,j=4.9,2.6hz,3h),7.35–7.22(m,3h),7.04(t,j=7.4hz,1h),5.36(s,1h),3.04(t,j=6.7hz,1h),2.72–2.52(m,2h),1.17(s,3h),0.71(s,3h).13cnmr(101mhz,dmso-d6)δ177.01,169.18,139.56,136.39,131.62,131.34,131.02,129.18,128.46,127.00,123.66,119.52,85.76,48.41,44.55,31.95,22.83,17.42.hrms:[m+na]+calcd.forc20h19ncl2nao3+:414.0634;found:414.0638.

实施例10:

原料是:1.7gn-苯基马来酰亚胺;1.6g1-(4-甲基-苯基)-2-甲基烯丙醇

还原剂是:1.3g三乙基硅烷

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.194-195℃;1hnmr(300mhz,dmso-d6)δ10.13(s,1h),7.62(d,j=8.7hz,2h),7.31(dd,j=8.5,7.3hz,2h),7.19(q,j=8.1hz,4h),7.04(t,j=7.4hz,1h),5.34(s,1h),3.41–3.36(m,1h),2.62(dd,j=15.5,7.4hz,1h),2.53(s,1h),2.32(s,3h),1.11(s,3h),0.50(s,3h).13cnmr(101mhz,dmso-d6)δ177.54,169.33,139.60,137.86,132.08,129.20,129.17,126.52,123.63,119.50,87.36,48.61,44.45,32.11,22.90,21.17,17.48.hrms:[mh+]calcd.forc21h24no3:338.1751;found:338.1749.

实施例11:

原料是:1.7gn-苯基马来酰亚胺;1.8g1-(4-乙基-苯基)-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.152-155℃;1hnmr(300mhz,dmso-d6)δ10.12(s,1h),7.61(d,j=7.4hz,2h),7.37–7.15(m,6h),7.10–6.99(m,1h),5.35(s,1h),3.44–3.36(m,1h),2.62(q,j=7.4hz,3h),2.53(s,1h),1.19(t,j=7.6hz,3h),1.11(s,3h),0.50(s,3h).13cnmr(101mhz,dmso-d6)δ177.55,169.33,144.11,139.60,132.35,129.17,127.99,126.58,123.63,119.50,87.37,48.61,44.46,32.11,28.27,22.91,17.52,15.85.hrms:[mh+]calcd.forc22h26no3:352.1907;found:352.1909.

实施例12:

原料是:1.7gn-苯基马来酰亚胺;3.2g1-(4-甲氧基-苯基)-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.147-149℃;1hnmr(400mhz,dmso-d6)δ10.09(s,1h),7.58(d,j=8.6hz,2h),7.33–7.23(m,2h),7.18(d,j=6.8hz,2h),7.06–6.97(m,1h),6.94(d,j=6.6hz,2h),5.29(s,1h),3.74(s,3h),3.30(s,1h),2.59(dd,j=15.5,7.4hz,1h),2.45(d,j=6.4hz,1h),1.06(s,3h),0.49(s,3h).13cnmr(101mhz,dmso-d6)δ177.55,169.34,159.56,139.59,129.17,127.96,126.83,123.63,119.51,114.04,87.28,55.52,48.61,44.49,32.13,22.88,17.47.hrms:[m+na]+calcd.forc21h23nnao4+:376.1519;found:376.1525.

实施例13:

原料是:1.7gn-苯基马来酰亚胺;2.8g1-(2-萘基)-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

无色液体;1hnmr(400mhz,dmso-d6)δ10.15(s,1h),7.93(q,j=5.6hz,3h),7.82(s,1h),7.59(d,j=8.0hz,2h),7.55–7.47(m,2h),7.43–7.38(m,1h),7.28(t,j=7.8hz,2h),7.02(t,j=7.5hz,1h),5.55(s,1h),3.44(s,1h),2.66–2.51(m,2h),1.17(s,3h),0.51(s,3h).1hnmr(400mhz,dmso-d6)δ10.15(s,1h),7.94(t,j=9.3hz,3h),7.76(s,1h),7.60–7.47(m,4h),7.39(d,j=8.7hz,1h),7.26(t,j=7.9hz,2h),7.01(t,j=7.6hz,1h),5.47(s,1h),3.16–3.10(m,1h),2.62(dp,j=16.0,9.2,7.9hz,2h),1.20(s,3h),0.67(s,3h).13cnmr(101mhz,dmso-d6)δ178.26,169.22,139.47,134.59,133.05,132.91,129.19,128.44,128.35,128.05,127.03,126.84,124.98,124.66,123.71,119.49,88.23,45.15,42.77,32.41,23.70,23.63.hrms:[m+na]+calcd.forc24h23nnao3+:396.1570;found:396.1569.

实施例14:

原料是:1.7gn-苯基马来酰亚胺;1.3g1-丙基-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.51-53℃;1hnmr(400mhz,dmso-d6)δ10.07(s,1h),7.59(d,j=7.4hz,2h),7.30(t,j=7.1hz,2h),7.10–7.00(m,1h),3.29(dd,j=7.6,6.2hz,1h),2.54(d,j=7.6hz,1h),2.42(dd,j=15.4,6.1hz,1h),1.91(d,j=10.7hz,1h),1.64(d,j=11.4hz,2h),1.44(qd,j=10.1,3.6hz,3h),1.27–1.13(m,2h),1.00(s,3h),0.84(s,3h).13cnmr(101mhz,dmso-d6)δ176.99,169.53,139.60,129.15,123.60,119.48,88.00,46.19,44.03,32.25,31.27,25.15,22.72,21.38,19.42.hrms:[m+na]+calcd.forc17h23nnao3+:290.1751;found:290.1757.

实施例15:

原料是:1.7gn-苯基马来酰亚胺;1.7g1-环己基-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

白色固体,熔点.118-120℃;1hnmr(300mhz,dmso-d6)δ10.08(s,1h),7.65–7.55(m,2h),7.30(t,j=7.8hz,2h),7.03(t,j=7.4hz,1h),3.91(d,j=9.6hz,1h),3.14–3.06(m,1h),2.49–2.37(m,2h),1.90(d,j=12.7hz,1h),1.64(dq,j=32.8,12.8,10.6hz,5h),1.21(d,j=9.8hz,3h),1.13(s,3h),1.03(t,j=11.5hz,2h),0.85(s,3h).1hnmr(300mhz,dmso-d6)δ10.06(s,1h),7.57(d,j=6.5hz,2h),7.31(d,j=7.7hz,2h),7.04(t,j=7.3hz,1h),3.89(d,j=5.0hz,1h),2.98(t,j=6.8hz,1h),2.53(s,1h),1.66(d,j=14.5hz,6h),1.20(d,j=22.1hz,5h),1.10(s,3h),1.02(s,3h).13cnmr(101mhz,dmso-d6)δ177.19,169.49,139.63,129.15,123.57,119.45,90.44,49.26,42.63,38.21,31.39,31.12,30.60,28.72,26.14,25.46,24.33,16.16.hrms:[m+na]+calcd.forc20h27nnao3+:352.1883;found:352.1886.

实施例16:

原料是:1.7gn-苯基马来酰亚胺;1.8g1-(4-苯基乙基)-2-甲基烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

无色液体;1hnmr(400mhz,dmso-d6)δ10.01(s,1h),7.60–7.43(m,2h),7.36–7.13(m,7h),7.06–6.95(m,1h),4.45(dd,j=9.7,3.2hz,1h),3.17–3.08(m,1h),2.96(q,j=8.2,7.6hz,1h),2.57–2.50(m,1h),2.41(td,j=14.4,13.7,5.3hz,1h),1.30–1.17(m,3h),0.88(s,3h),0.66(s,3h).13cnmr(101mhz,dmso-d6)δ177.71,176.97,169.20,144.37,139.48,129.15,129.12,128.94,128.78,128.68,128.55,128.15,127.84,127.00,126.69,123.68,119.57,119.53,119.46,90.88,90.21,89.72,49.24,47.45,46.99,42.82,41.75,41.63,32.98,24.32,24.27,23.38,23.14,22.11,21.16,20.88,19.46.hrms:[mh+]calcd.forc22h26no3:352.1907;found:352.1910.

实施例17:

原料是:1.7gn-苯基马来酰亚胺;1.8g1-(丙烯基)环己-1-醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.50-51℃;1hnmr(400mhz,dmso-d6)δ10.04(s,1h),7.57(d,j=7.2hz,2h),7.28(d,j=7.4hz,2h),7.05–6.97(m,1h),3.26(dd,j=7.7,6.2hz,1h),2.54–2.47(m,1h),2.39(dd,j=15.4,6.1hz,1h),1.87(d,j=10.6hz,1h),1.71–1.56(m,4h),1.41(ddt,j=19.5,13.0,9.2hz,4h),1.20–1.13(m,1h),0.97(s,3h),0.81(s,3h).13cnmr(101mhz,dmso-d6)δ176.98,169.52,139.61,129.15,123.58,119.47,87.99,46.19,44.02,32.26,31.27,29.69,25.15,22.72,22.12,21.38,19.42.hrms:[mh+]calcd.forc19h26no3:316.1907;found:316.1904.

实施例18:

原料是:1.7gn-苯基马来酰亚胺;1.6g环戊烯甲醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

白色固体,熔点.145-147℃;1hnmr(400mhz,chloroform-d)δ8.62(s,1h),7.53(d,j=7.9hz,2h),7.31(t,j=7.7hz,2h),7.10(t,j=7.5hz,1h),4.12(d,j=8.7hz,1h),3.99(d,j=8.7hz,1h),3.13(dd,j=9.0,3.8hz,1h),2.73(dd,j=14.9,8.8hz,1h),2.40(dd,j=15.0,4.0hz,1h),1.92–1.67(m,3h),1.50(dd,j=17.6,8.3hz,2h),1.26(m,3h).13cnmr(101mhz,cdcl3)δ179.76,168.84,137.94,128.95,124.27,119.82,78.33,51.27,44.66,33.87,33.68,29.69,24.30,24.06.hrms:[mh+]calcd.forc16h20no3:274.1438;found:274.1435.

实施例19:

原料是:1.7gn-苯基马来酰亚胺;2.2g1-苯基-2-甲酸甲酯烯丙醇

还原剂是:0.8g硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

白色固体,熔点.175-176℃;1hnmr(400mhz,dmso-d6)δ10.13(s,1h),7.56(d,j=7.9hz,2h),7.39(dd,j=11.7,7.2hz,3h),7.30(t,j=7.9hz,2h),7.21(d,j=7.2hz,2h),7.04(t,j=7.6hz,1h),5.95(s,1h),4.01(t,j=7.0hz,1h),3.65(s,3h),2.82(dd,j=16.2,5.4hz,1h),2.59(dd,j=16.2,9.0hz,1h),0.78(s,3h).13cnmr(101mhz,cdcl3)δ180.21,177.23,173.22,144.19,139.50,133.94,133.69,130.96,128.43,124.19,88.02,58.74,57.81,51.85,37.23,17.78.hrms:[mh+]calcd.forc21h22no5:368.1492;found:368.1498.

实施例20:

原料是:1.7gn-苯基马来酰亚胺;0.9g3,3-二甲基烯丙醇

还原剂是:1.1g氰基硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:8ml乙腈

目标产物如下:

白色固体,熔点.150-151℃;1hnmr(300mhz,dmso-d6)δ8.12(s,1h),7.50(d,j=8.0hz,2h),7.30(d,j=7.5hz,3h),7.07(t,j=7.3hz,1h),4.43–4.27(m,2h),2.95(dd,j=9.8,2.1hz,1h),2.75(dd,j=14.1,9.9hz,1h),2.49–2.37(m,1h),1.91(dt,j=14.4,5.1hz,1h),1.84–1.68(m,1h),1.21(s,3h),0.95(s,3h).13cnmr(101mhz,cdcl3)δ175.32,170.08,138.00,129.21,128.88,126.46,124.10,119.71,65.42,48.10,38.43,34.00,33.24,28.94,24.57.hrms:[mh+]calcd.forc15h20no3262.1438;found:262.1436.

实施例21:

原料是:1.9gn-4-甲基苯基马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:1.1g氰基硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

白色固体,熔点.134-135℃;1hnmr(300mhz,chloroform-d)δ8.46(s,1h),7.40(d,j=8.4hz,2h),7.11(d,j=8.2hz,2h),4.06–3.95(m,2h),2.90(dd,j=8.7,4.3hz,1h),2.67(dd,j=14.8,8.7hz,1h),2.39–2.32(m,1h),2.30(s,3h),1.21(s,3h),1.03(s,3h).13cnmr(101mhz,cdcl3)δ179.56,168.63,135.35,133.90,129.43,119.90,78.83,62.84,47.78,40.37,33.13,23.69,20.86.hrms:[mh+]calcd.forc15h20no3:262.1438;found:262.1439.

实施例22:

原料是:2.8gn-4-苄氧基苯基马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:1.1g氰基硼氢化钠

催化剂是:1.9g乙酰丙酮钴

溶剂是:10ml乙醇

目标产物如下:

白色固体,熔点.178-180℃;1hnmr(300mhz,chloroform-d)δ8.40(s,1h),7.47–7.28(m,7h),6.92(d,j=8.9hz,2h),5.04(s,2h),4.08–3.94(m,2h),2.89(dd,j=8.8,4.1hz,1h),2.66(dd,j=14.8,8.7hz,1h),2.35(dd,j=14.8,4.2hz,1h),1.21(s,3h),1.03(s,3h).13cnmr(101mhz,cdcl3)δ179.55,168.54,155.53,136.94,131.31,128.56,127.94,127.45,121.60,115.15,78.83,70.24,47.83,40.38,33.03,23.69,21.05.hrms:[mh+]calcd.forc21h24no4:354.1699;found:354.1700.

实施例23:

原料是:2.1gn-4-氯苯基马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:1.1g氰基硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml甲醇

目标产物如下:

白色固体,熔点.154-155℃;1hnmr(300mhz,dmso-d6)δ10.24(s,1h),7.63(d,j=8.9hz,2h),7.36(d,j=8.9hz,2h),3.98(q,j=8.5hz,2h),3.03(t,j=6.9hz,1h),2.56(d,j=7.2hz,2h),1.09(s,3h),0.96(s,3h).13cnmr(101mhz,dmso-d6)δ178.52,169.59,138.52,129.10,127.14,120.99,77.96,46.77,32.01,31.14,23.65,21.44.hrms:[mh+]calcd.forc14h17no3cl:282.0891;found:282.0891.

实施例24:

原料是:2.1gn-3-氯苯基马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:1.1g氰基硼氢化钠

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml甲醇

目标产物如下:

白色固体,熔点.145-148℃;1hnmr(400mhz,dmso-d6)δ10.31(s,1h),7.83(t,j=2.1hz,1h),7.44(ddd,j=8.3,2.0,1.0hz,1h),7.33(t,j=8.1hz,1h),7.09(ddd,j=8.0,2.1,1.0hz,1h),4.03–3.94(m,2h),3.04(t,j=6.9hz,1h),2.49(tt,j=15.6,7.5hz,2h),1.09(s,3h),0.95(s,3h).13cnmr(101mhz,dmso-d6)δ178.48,169.85,140.97,133.53,130.88,123.33,118.94,117.83,77.99,46.78,39.61,32.07,23.68,21.43.hrms:[mh+]calcd.forc14h17no3cl:282.0891;found:282.0892.

实施例25:

原料是:2.5gn-3-氯-4-甲基苯基马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:2.1g苯硅烷

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

白色固体,熔点.146-147℃;1hnmr(300mhz,chloroform-d)δ8.65(s,1h),7.63(d,j=2.2hz,1h),7.24(d,j=2.2hz,1h),7.12(d,j=8.2hz,1h),4.08–3.98(m,2h),2.90–2.86(m,1h),2.65(dd,j=14.8,9.1hz,1h),2.39–2.33(m,1h),2.31(s,3h),1.21(s,3h),1.02(s,3h).13cnmr(101mhz,cdcl3)δ179.70,168.76,136.72,134.35,131.74,130.88,120.35,118.04,78.92,47.78,40.39,33.08,23.62,21.03,19.43.hrms:[mh+]calcd.forc15h19no3cl:296.1048;found:296.1047.

实施例26:

原料是:2.1gn-5-(2-氯吡啶基)马来酰亚胺;1.4g2-甲基烯丙醇

还原剂是:2.1g苯硅烷

催化剂是:2.6g乙酰丙酮镍

溶剂是:10ml乙腈

目标产物如下:

淡黄色固体,熔点.142-144℃;1hnmr(300mhz,chloroform-d)δ9.13(s,1h),8.43(d,j=2.8hz,1h),8.08(dd,j=8.7,2.8hz,1h),7.27(s,1h),4.09–4.02(m,2h),2.91(dd,j=9.5,3.5hz,1h),2.67(dd,j=14.9,9.5hz,1h),2.40(dd,j=14.9,3.6hz,1h),1.22(s,3h),1.02(s,3h).13cnmr(101mhz,cdcl3)δ179.91,169.33,145.66,140.61,134.08,129.89,124.19,79.07,47.73,40.44,32.88,23.55,21.06.hrms:[mh+]calcd.forc13h16n2o3cl:283.0844;found:283.0843.

尽管已经示出和描述了本发明的实施例,本领域的普通技术人员可以理解为:在不脱离本发明的原理和宗旨下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由权利要求及其等同物限定。

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