CN107382644A - 一种手性叔醇或叔醚类化合物的制备方法及应用 - Google Patents

一种手性叔醇或叔醚类化合物的制备方法及应用 Download PDF

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CN107382644A
CN107382644A CN201710530611.0A CN201710530611A CN107382644A CN 107382644 A CN107382644 A CN 107382644A CN 201710530611 A CN201710530611 A CN 201710530611A CN 107382644 A CN107382644 A CN 107382644A
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张勇健
阿尔玛
萨达拉兹
伊贾兹
赵灿
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Shanghai Jiaotong University
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Abstract

本发明公开了一种手性叔醇或叔醚类化合物的制备方法及应用;以消旋4‑取代‑4‑乙烯基‑1,3‑二氧戊环‑2‑酮类化合物为原料,在钯源与手性配体配位作用生成的钯配合物和硼化合物为催化剂催化下,与水或醇反应制得手性叔醇或叔醚类化合物。本发明提供的手性化合物是多官能化的手性叔醇或叔醚类化合物,可灵活方便地进行官能转化,将是制备手性药物及中间体的重要手性分子砌块。本发明提供的制备方法是钯和硼共催化的不对称羟基化和醚化反应,制备方法催化活性高,区域选择性和对映选择性高,反应条件温和,反应原料方便易得。

Description

一种手性叔醇或叔醚类化合物的制备方法及应用
技术领域
本发明涉及化工技术领域的化合物的制备方法,具体涉及一种手性叔醇或叔醚类化合物的制备方法及应用。
背景技术
手性叔醇和叔醚是多种药物及具有生理活性的天然产物的重要结构单元。相对于制备手性仲醇和仲醚类化合物,构建手性叔醇和叔醚类化合物一直是不对称合成领域具有挑战性的课题。手性叔醇类化合物的不对称合成方法主要依赖于碳亲核试剂对酮类化合物的不对称加成反应(Shibasaki,M.;Kanai,M.Chem.Rev.2008,108,2853)。然而该反应通常需要活化酮羰基提供酮的亲电能力,而且为了得到高立体选择性酮羰基的两个取代基通常需要有较大的立体差异。对1,1-二取代烯烃类化合物的不对称双羟基化反应和环氧化反应是构建手性叔醇或叔醚类化合物的另一种可选择的方法(Kolb,H.C.;VanNieuwenhze,M.S.;Sharpless,K.B.Chem.Rev.1994,94,2483;Wong,O.A.;Shi,Y.Chem.Rev.2008,108,3958.)。然而为了得到高立体选择性1,1-二取代烯烃类化合物的两个取代基仍需要具有较大的立体差异。本申请人之前申请的专利CN103788056A,报道了手性1-取代-1-乙烯基乙二醇的制备方法,利用消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物与甲醛反应得到手性4-取代-4-乙烯基-1,3-二氧戊环类化合物,然后再通过水解得到手性叔醇类化合物。该方法虽然用到大宗化工原料甲醛为原料,但需要两步制备。
含有三唑的抗真菌类药物广泛应用于临床,如雷夫康唑、阿巴康唑、泊沙康唑等(Saksena,A.K.;Girijavallabhan,V.M.;Wang,H.;Liu,Y.-T.;Pike,R.E.;Ganguly,A.K.Tetrahedron Lett.1996,37,5657;Acetti,D.;Brenna,E.;Fuganti,C.;Gatti,F.G.;Serra,S.Tetrahedron:Asymmetry 2009,20,2413)。该类药物均含有手性叔醇或手性叔醚的结构单元。开发该类药物及其中间体的新方法具有重要的意义。
不对称烯丙基醚化反应是制备手性仲醚类化合物的重要方法(Hartwig,J.F.Allylic Substitution;University Science Books:Sausalito,CA,2010.),但是该方法很难构建手性叔醇或叔醚类化合物。本申请人之前申请的专利CN103788056A,利用化合物III与甲醛反应得到手性4-取代-4-乙烯基-1,3-二氧戊环类化合物。该方法的反应历程如下式所示。钯催化剂与化合物III反应得到烯丙基钯中间体A,中间体A的氧负离子进攻甲醛得到中间体B,中间体B通过分子内的反应得到更加稳定的五元环化合物构建季碳手性中心。该方法的关键是作为亲电试剂的甲醛在钯催化下与化合物III反应,通过上述反应历程可以构建季碳手性中心。然而利用作为亲核试剂的水或醇在钯催化下与化合物III反应,直接构建叔醇或叔醚却很难实现,因为该反应很难进行区域选择性控制。Trost等利用乙烯基环氧乙烷为反应原料实现了烯丙基醚化反应构建了手性叔醚类化合物(Trost,B,M.;McEachem,E.J.;Toste,F.D.J.Am.Chem.Soc.1998,120,12702.)。但该方法使用的原料,乙烯基环氧乙烷类化合物不稳定,不利于反应的产业化应用。
本发明开发的4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物,原料稳定,方便易得。在钯与硼共催化下,直接用水或醇与该原料反应直接制备手性叔醇或手性叔醚的化合物,将具有重要的产业化应用前景。
发明内容
本发明的目的在于针对现有技术中的缺陷,提供一种手性叔醇或叔醚类化合物的制备方法及应用;采用消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物直接与水或醇反应制备该类手性叔醇或叔醚类类化合物,是钯和硼共催化的不对称羟基化反应和醚化反应,制备方法催化活性高,对映选择性高,反应条件温和,反应原料稳定、方便易得。
本发明的目的是通过以下技术方案来实现的:
本发明涉及上述一种手性叔醇或叔醚类化合物I或II的制备方法,在有机溶剂中,以钯源与手性配体配位作用生成的钯配合物和硼化合物为催化剂,消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物III和水或醇,在0-60℃下反应,制得所述手性叔醇和叔醚类化合物I或II;
上述化合物I、II、III,结构式如下所示:
其中:R为氢、C1-C20的烷基、C3-C16的环烷基、C4-C16的含N、O或S的杂环基、C6-C24的芳基、取代基含N、O、S、P或卤素的C4-C24的取代芳基、C7-C26的芳基烷基、-CnH2n-OR1、-CnH2n-SR2或-CnH2n-NR3R4;其中,n为1~10中任一整数,R1、R2、R3、R4和R5分别为氢、C1-C8烷基、C4-C15芳基或C5-C15芳基烷基;R’为氢或-CH2R;其中R为上述R中的一种。
优选地,所述醇为RCH2OH。
优选地,所述有机溶剂为四氢呋喃、二氧六环、二氯甲烷、三氯甲烷、乙酸乙酯、甲苯、苯、乙醚、甲基叔丁基醚、丙酮、二甲基甲酰胺或乙腈。
优选地,所述钯源为Pd2(dba)3、Pd2(dba)3CHCl3、Pd(dba)2、[Pd(allyl)Cl]2、Pd(OAc)2、Pd(CF3COO)2、Pd(CH3CN)2Cl2或Pd(PhCN)2Cl2
优选地,所述手性配体为具有如下结构的手性膦配体中的一种:
其中,X为C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基、OR1’或NR2’R3’,其中R1’为C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基,R2’、R3’分别为氢、C1-C20的烷基、C6-C20的芳基或C6-C20的取代芳基。
优选地,所述硼化合物为具有如下结构的硼化合物中的一种:
其中R6、R7、R8分别为C1-C10的烷基、C6-C16的芳基、C6-C16的取代芳基或-OR9,其中R9为氢、C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基。
优选地,所述消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物III、水、钯源、手性配体及硼化合物的摩尔比为1∶(1~20)∶(0.0001~0.05)∶(0.0001~0.20)∶(0.0001~0.40)。
本发明还涉及上述述的一种手性叔醇化合物I的应用,利用手性叔醇化合物Ia制备手性三醇化合物IV,具体制备方法如下描述:
1)化合物Ia在二氯甲烷溶剂中,与间氯过氧苯甲酸在-15-0℃下反应,得到化合物V;
2)化合物V在乙醚溶液中,与氢化铝锂在0-40℃下反应,得到手性三醇化合物IV;上述化合物Ia、IV、V,结构式如下所示:
本发明还涉及一种手性叔醚类化合物Ib、烯丙醇化合物VI和二氢呋喃化合物VII,制备药物泊沙康唑的中间体,化合物Ib、VI、VII,结构式如下所示:
本发明还涉及上述的一种叔醚类化合物Ib和二氢呋喃化合物VI的制备方法,如前述的制备方法,由化合物IIIa与烯丙醇化合物VI制备手性叔醚类化合物Ib;化合物Ib与钌催化剂VIII在二氯甲烷中,在20-60℃下反应,得到二氢呋喃化合物VII;所述的化合物IIIa、钌催化剂VIII,结构式如下所示:
本发明还涉及上述的烯丙醇化合物VI的制备方法,过量的2-甲叉-1,3-丙二醇在催化剂氯化亚铜和碳酸钾存在下,与1,4-二溴苯,在80-150℃下反应,得到烯丙醇化合物VI。
本发明还涉及一种前述的手性叔醚类化合物II的用途,手性叔醚类化合物Ib与钌催化剂VIII在二氯甲烷中,在20~60℃下反应,得到二氢呋喃化合物VII;所述二氢呋喃化合物VII为制备药物泊沙康唑的中间体。所述手性叔醚类化合物Ib是由化合物IIIa与烯丙醇化合物VI制备而得。所述烯丙醇化合物VI是由过量的2-甲叉-1,3-丙二醇在催化剂氯化亚铜和碳酸钾存在下,与1,4-二溴苯,在80~150℃下反应而得。
本发明涉及的一种手性叔醇或叔醚类化合物作为重要的手性分子砌块具有重要的用途。化合物Ia、Ib、IV、V、VII可用于多种手性药物的制备,如抗真菌药物Ravuconazole,Albaconazole,Voriconazole,Genaconazole,Posaconazole等。
与现有技术相比,本发明具有如下有益效果:
1、本发明所提供的手性叔醇或叔醚类化合物及其中间体制备方法,包括以结构稳定的消旋化合物为原料,与广泛存在、绿色安全的水以及醇反应,通过金属钯和硼的共催化不对称催化技术制备,是一种高效的、环境友好的制备方法;其具有如下优点:制备方法具有很好的催化活性;反应的区域选择性和立体选择性高;反应条件温和,反应原料方便易得,具有重要的应用前景。
2、本发明所提供的手性叔醇或叔醚类化合物是一类多官能化的手性季碳类化合物,化合物含有一个季碳手性中心,其季碳手性中心含有三个不同的官能团。三种官能团可灵活方便地分别进行官能转化,将是一个重要的手性分子砌块应用于多种手性化合物的合成中,如制备手性药物及其中间体。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明,但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例1
本实施例提供手性叔醇Ic的制备,其中给出了利用不同硼化合物进行的制备结果。
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体2a[X=N(iPr)](0.1mmol)、硼化合物(0.2mmol)、化合物IIIc(1.0mmol)、水(10mmol)以及四氢呋喃(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醇Ic。
本实施例的反应式以及利用不同硼化合物制备手性叔醇类化合物Ic的结果如下所示:
实施例2
本实施例提供手性叔醇类化合物Ic或IIc的制备,其中给出了利用不同配体进行的制备结果。
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体(0.1mmol)、苯硼酸(0.2mmol)、化合物IIIa(1.0mmol)、水(10mmol)以及四氢呋喃(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醇类化合物Ic或IIc。
本实施例的反应式以及利用不同配体制备手性叔醇类化合物Ic或IIc的结果如下所示:
序号 配体 产率(%) ee(%)
1 (R)-2a 91 82(IIc)
2 (S,S,S)-1a 32 57(Ic)
3 (S,R,R)-1b 66 77(Ic)
4 (R)-3a 96 95(IIc)
6 (S,R,R)-4a 26 50(Ic)
实施例3
本实施例提供手性叔醇类化合物Ic或IIc的制备,其中给出了利用不同溶剂进行的制备结果。
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体3a(0.1mmol)、苯硼酸(0.2mmol)、化合物IIIc(1.0mmol)、水(10mmol)以及溶剂(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醇类化合物Ic或IIc。
本实施例反应式以及利用不同溶剂制备手性叔醇类化合物Ic的结果如下所示:
序号 溶剂 产率(%) ee(%)
1 THF 96 95
2 toluene 81 92
3 1,4-dioxane 92 92
4 CH3CN 95 79
5 Et2O 87 94
6 cyclohexane 61 84
7 acetone 90 91
8 CH2Cl2 88 76
实施例4
本实施例提供手性叔醚类化合物Id或IId的制备,其中给出了利用不同配体进行的制备结果。
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体(0.1mmol)、三乙基硼(0.05mmol)、化合物IIIc(1.0mmol)、苄醇(1.1mmol)以及四氢呋喃(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醚类化合物Id或IId。
本实施例的反应式以及利用不同配体制备手性叔醚类化合物Id或IId的结果如下所示:
序号 配体 产率(%) ee(%)
1 (R)-2a 92 80(IId)
2 (S,S,S)-1a 80 86(Id)
3 (S,R,R)-1b 89 70(Id)
4 (R)-3a 88 89(IId)
5 (R,R,R)-3b 28 65(IId)
实施例5
本实施例提供手性叔醚类化合物IId的制备,其中给出了利用不同硼试剂和不同溶剂进行的制备结果。
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、(R)-3a(0.1mmol)、三乙基硼(0.05mmol)、化合物IIIc(1.0mmol)、苄醇(1.1mmol)以及四氢呋喃(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醚类化合物Id或IId。
本实施例的反应式以及利用不同硼试剂和不同溶剂制备手性叔醚类化合物IId的结果如下所示:
实施例6、手性叔醇或叔醚类化合物I或II的制备
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体3a(0.1mmol)、苯硼酸(0.2mmol)、化合物III(1.0mmol)、水(10mmol)或醇(1.1mmol)以及四氢呋喃或甲苯(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到相应手性叔醇或叔醚类化合物I或II。
以下是R和R’为不同选择时对应的手性叔醇和手性叔醚类化合物I或II的1H NMR、13C NMR谱图数据,所有化合物可以利用实施例1~5的任意一种方法制备,相应的产率和对映选择性有一定的差异。
Ia:R=2,4-二氟苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.64-7.58(m,1H),6.89-6.84(m,1H),6.80-6.74(m,1H),6.22(dd,J=10.8,17.2Hz,1H),5.34(d,J=17.2Hz,1H),5.24(d,J=10.8Hz,1H),3.84(s,2H),3.57(br,1H)2.88(br,1H);13C NMR(100MHz,CDCl3)δ163.7,163.6,161.2,161.1,160.7,160.6,158.2,158.1,138.8,129.1,129.0,125.4,125.4,125.3,115.8,111.3,111.2,111.1,111.0,104.5,104.2,104.0,76.3,67.8,67.7;HRMS(ESI-MS):Calcd.forC10H10O2F2(M-H):199.0600,Found:199.0561;HPLC conditions:Chiralcel OD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tmajor=14.56min,tminor=24.74min;97%ee.
Ic:R=苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.43-7.40(m,2H),7.35-7.31(m,2H),7.27-7.23(m,1H),6.10(dd,J=10.8,17.2Hz,1H),5.34(d,J=17.2Hz,1H),5.24(d,J=10.8Hz,1H),3.75(d,J=11.6Hz,1H),3.70(d,J=11.6Hz,1H),3.05(br,1H),2.24(br,1H);13C NMR(100MHz,CDCl3)δ142.4,140.5,128.3,127.3,125.8,115.4,77.4,69.1;HRMS(ESI-MS):Calcd.forC10H12O2(M-H2O+H):147.0800,Found:147.0808;HPLC conditions:Chiralcel AD-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=9.70min,tminor=10.80min;95%ee.
IId:R=苯基;R’=Bn
1H NMR(400MHz,CDCl3)δ7.49-7.46(m,2H),7.40-7.35(m,6H),7.33-7.28(m,2H),6.10(dd,J=11.2,17.6Hz,1H),5.72(dd,J=1.2,11.2Hz,1H),5.49(dd,J=1.2,17.6Hz,1H),4.43(d,J=11.2Hz,1H),4.39(d,J=11.2Hz,1H),3.98-3.89(m,2H),2.04(brt,1H);13CNMR(100MHz,CDCl3)δ140.0,138.9,137.3,128.4,128.3,127.7,127.4,127.3,127.0,118.3,82.4,67.6,65.3;HRMS(ESI-MS):Calcd.for C17H18O2(M+Na):277.1200,Found:277.1198;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=12.66min,tmajnor=16.37min;93%ee.
Ie:R=3-甲氧基苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.26-7.22(m,1H),7.03-6.95(m,2H),6.80-6.77(m,1H),6.08(dd,J=10.8,17.2Hz,1H),5.33(d,J=17.2Hz,1H),5.22(d,J=10.8Hz,1H),3.77(s,3H),3.74(d,J=11.2Hz,1H),3.69(d,J=11.2Hz,1H),3.01(br,1H);13C NMR(100MHz,CDCl3)δ159.4,144.2,140.4,129.2,117.9,115.2,112.4,111.9,77.3,69.1,55.1;HRMS(ESI-MS):Calcd.for C11H14O3(M-H):193.0900,Found:193.0865;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=14.60min,tminor=17.42min;96%ee.
If:R=4-甲氧基苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.39-7.35(m,2H),6.91-6.87(m,2H),6.13(dd,J=10.8,17.2Hz,1H),5.37(d,J=17.2Hz,1H),5.29(d,J=10.4Hz,1H),3.80(s,3H),3.77(d,J=11.2Hz,1H),3.73(d,J=11.2Hz,1H),2.91(br,1H),2.11(br,1H);13C NMR(100MHz,CDCl3)δ158.8,140.7,134.4,126.9,115.3,113.8,77.3,69.4,55.2;HRMS(ESI-MS):Calcd.forC11H14O3(M-H):193.0900,Found:193.0865;HPLC conditions:Chiralcel OD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tminor=11.14min,tmajor=12.68min;93%ee.
Ig:R=4-氯苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.40-7.30(m,4H),6.10(dd,J=10.4,17.2Hz,1H),5.36(d,J=17.6Hz,1H),5.30(d,J=10.8Hz,1H),3.73(s,2H),3.19(bs,1H)2.42(bs,1H);13CNMR(100MHz,CDCl3)δ140.9,140.1,133.2,128.4,127.2,115.9,77.3,69.1;HRMS(ESI-MS):Calcd.for C10H11O2Cl(M-H):197.0400,Found:197.0370;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=10.57min,tminor=13.45min;95%ee.
Ih:R=4-溴苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.51-7.47(m,2H),7.36-7.32(m,2H),6.12(dd,J=10.8,17.6Hz,1H),5.38(d,J=17.2Hz,1H),5.31(d,J=10.8Hz,1H),3.78(d,J=11.2Hz,1H),3.74(d,J=11.2Hz,1H),2.96(bs,1H)2.04(bs,1H);13C NMR(100MHz,CDCl3)δ141.4,140.0,131.5,127.5,121.5,116.0,77.0,69.2;HRMS(ESI-MS):Calcd.for C10H11O2Br(M-H):240.9900,Found:240.9916;HPLC conditions:Chiralcel AS-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/9,tmajor=9.70min,tminor=10.45min;94%ee.
Ii:R=2-溴苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.67-7.57(m,1H),7.41-7.32(m,2H),7.23-7.17(m,1H),6.06(dd,J=10.8,17.6Hz,1H),5.35(d,J=17.2Hz,1H),5.27(d,J=10.8Hz,1H),3.73(d,J=11.2Hz,1H),3.70(d,J=11.2Hz,1H),3.02(br,2H);13C NMR(100MHz,CDCl3)δ144.9,140.0,130.4,129.9,128.9,124.3,122.6,116.0,76.7,69.0;HRMS(ESI-MS):Calcd.forC10H11O2Br(M-H):240.9900,Found:240.9864;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=9.29min,tminor=10.34min;90%ee.
Ij:R=4-甲基苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.367.33(m,2H),7.17(d,J=8.0Hz,2H),6.15(dd,J=10.8,17.2Hz,1H),5.38(d,J=17.2Hz,1H),5.29(d,J=10.8Hz,1H),3.79(d,J=11.2,Hz,1H),3.75(d,J=11.2,Hz,1H),2.81(bs,1H)2.34(s,3H),1.97(bs,1H);13C NMR(100MHz,CDCl3)δ140.7,139.4,137.1,129.1,125.5,115.3,77.3,69.4,21.0;HRMS(ESI-MS):Calcd.for C11H14O2(M-H):177.0900,Found:177.0916;HPLC conditions:Chiralcel AD-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=9.67min,tminor=10.95min;98%ee.
Ik.R=4-叔丁基苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.41-7.34(m,4H),6.14(dd,J=10.8,17.6Hz,1H),5.39(d,J=17.6Hz,1H),5.27(d,J=10.8Hz,1H),3.78(d,J=11.2,Hz,1H),3.73(d,J=11.2,Hz,1H),3.08(br,1H)2.30(br,1H),1.31(s,9H);13C NMR(100MHz,CDCl3)δ150.2,140.7,139.3,125.3,125.2,115.3,77.2,69.3,34.4,31.3;HRMS(ESI-MS):Calcd.forC14H20O2(M-H):219.1400,Found:219.1416;HPLC conditions:Chiralcel AS-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/9,tmajor=6.16min,tminor=6.79min;93%ee.
Il:R’=H
1H NMR(400MHz,CDCl3)δ6.36-6.97(m,1H),6.92-6.90(m,1H),6.80-6.78(m,1H),6.10(dd,J=10.8,17.2Hz,1H),5.95(s,2H),5.39(d,J=17.2Hz,1H),5.30(d,J=10.8Hz,1H),3.74(s,2H),2.92(bs,1H)2.06(bs,1H);13C NMR(100MHz,CDCl3)δ147.8,146.8,140.5,136.4,118.9,115.5,108.0,106.6,101.1,77.2,69.4;HRMS(ESI-MS):Calcd.forC11H12O4(M-H):207.0700,Found:207.0650;HPLC conditions:Chiralcel AD-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/9,tmajor=19.17min,tminor=22.94min;95%ee.
Im:R=2,4-二甲氧基苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.35(dd,J=3.2,6.0Hz,1H),6.49-6.46(m,2H),6.20(dd,J=10.8,17.2Hz,1H),5.27(dd,J=1.2,17.2Hz,1H),5.16(dd,J=1.6,10.8Hz,1H),4.19(bs,1H),3.93(d,J=11.2Hz,2H),3.79(s,3H)3.77(s,3H),2.65(bs,1H);13C NMR(100MHz,CDCl3)δ160.1,157.7,140.5,128.1,122.5,114.3,104.2,99.4,77.3,67.4,55.2,55.1;HRMS(ESI-MS):Calcd.for C12H16O4(M-H):223.1000,Found:223.0970;HPLC conditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=17.71min,tminor=19.24min;92%ee.
In:R=3,4-二氯苯基;R’=H
1H NMR(400MHz,CDCl3)δ7.54(d,J=2.0Hz,1H),7.39(d,J=8.4Hz,1H),7.23-7.19(m,1H),6.04(dd,J=10.8,17.2Hz,1H),5.37(dd,J=0.8,17.2Hz,1H),5.28(dd,J=0.8,10.8Hz,1H),3.69(d,J=11.6,Hz,1H),3.66(d,J=11.6,Hz,1H),3.05(br,1H);13C NMR(100MHz,CDCl3)δ142.7,139.5,132.4,131.4,130.2,128.0,125.2,116.3,76.8,69.8;HRMS(ESI-APCI):Calcd.for C10H10O2Cl2(M+Na):255.0000,Found:254.9952;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=8.13min,tminor=8.68min;92%ee.
Io:R=2-萘基;R’=H
1H NMR(400MHz,CDCl3)δ7.94(s,1H),7.84-7.81(m,3H),7.54-7.45(m,3H),6.23(dd,J=10.8,17.2Hz,1H),5.43(d,J=17.2Hz,1H),5.33(d,J=10.8Hz,1H),3.90(d,J=11.2Hz,1H),3.86(d,J=11.2Hz,1H),3.08(br,1H)2.15(br,1H);13C NMR(100MHz,CDCl3)δ140.4,139.6,133.1,132.6,128.1,127.5,126.2,126.0,124.6,123.7,115.8,77.5,69.3;HRMS(ESI-MS):Calcd.for C14H14O2(M-H2O+H):197.1000,Found:197.0966;HPLCconditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=11.47min,tminor=16.89min;92%ee.
Ip:R=1-萘基;R’=H
1H NMR(400MHz,CDCl3)δ8.40-8.36(m,1H),7.81-7.73(m,2H),7.54(d,J=7.2Hz,1H),7.427.34(m,3H),6.22(dd,J=10.8,17.2Hz,1H),5.21(d,J=10.8Hz,1H),5.18(d,J=17.6Hz,1H),4.05(d,J=11.2Hz,1H),3.83(d,J=11.6Hz,1H),3.52(br,1H)2.86(br,1H);13C NMR(100MHz,CDCl3)δ141.1,137.5,134.7,130.9,129.0,128.8,127.2,125.2,124.7,124.5,116.7,78.1,68.2;HRMS(ESI-MS):Calcd.for C14H14O2(M-H2O+H):197.1000,Found:197.0965;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tminor=7.99min,tmajor=10.81min;97%ee.
Iq:R=2-呋喃基;R’=H
1H NMR(400MHz,CDCl3)δ7.40(s,1H),6.37-6.33(m,2H),6.11(dd,J=10.8,17.2Hz,1H),5.46(dd,J=0.8,17.2Hz,1H),5.35(dd,J=0.8,10.8Hz,1H),3.76(d,J=11.2Hz,1H),3.72(d,J=11.6Hz,1H),1.80(br,2H);13C NMR(100MHz,CDCl3)δ155.0,142.4,137.7,116.4,110.4,107.2,74.7,67.8;HRMS(ESI-MS):Calcd.for C8H10O3(M-H):153.0600,Found:153.0562;HPLC conditions:Chiralcel AD-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/9,tmajor=9.53min,tminor=10.52min;80%ee.
Ir:R=3-噻吩基;R’=H
1H NMR(400MHz,CDCl3)δ7.32-7.29(m,1H),6.26-6.24(m,1H),6.07-6.05(m,1H),6.12(dd,J=10.8,17.2Hz,1H),5.38(d,J=17.2Hz,1H),5.28(d,J=10.8Hz,1H),3.77(d,J=11.2,Hz,1H),3.70(d,J=11.2,Hz,1H),3.18(bs,1H),2.43(bs,1H);13C NMR(100MHz,CDCl3)δ143.9,139.9,126.2,125.8,121.5,115.5,76.3,69.2;HRMS(ESI-MS):Calcd.forC8H10O2S(M-H):169.0300,Found:169.0323;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=10.89min,tminor=11.73min;90%ee.
Is:R=2-苯基乙基;R’=H
1H NMR(400MHz,CDCl3)δ7.29-7.24(m,2H),7.19-7.16(m,3H),5.86(dd,J=10.8,17.2Hz,1H),5.42(d,J=17.6Hz,1H),5.33(d,J=10.8Hz,1H),3.55(d,J=11.2,Hz,1H),3.51(d,J=11.2,Hz,1H),2.74-2.99(m,2H),2.48(bs,1H),2.11(bs,1H),1.95-1.87(m,1H),1.81-1.73(m,1H);13C NMR(100MHz,CDCl3)δ142.1,140.4,128.4,128.3,125.8,115.7,76.0,68.9,38.7,29.5;HRMS(ESI-MS):Calcd.for C12H15O2(M-H):191.1100,Found:191.1072;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tmajor=14.62min;>99%ee.
It:R=甲基;R’=H
1H NMR(400MHz,CDCl3)δ5.88(dd,J=10.8,17.6Hz,1H),5.31(dd,J=1.2,17.2Hz,1H),5.16(dd,J=1.2,10.8Hz,1H),3.54(br,2H),3.48(d,J=11.2Hz,1H),3.42(d,J=11.2Hz,1H),1.25(s,3H);13C NMR(100MHz,CDCl3)δ141.9,113.9,73.7,69.4,23.7;Calcd.for C5H10O2(M-H):101.0600,Found:101.0603;83%ee.
Iu:R=苄基;R’=H
1H NMR(400MHz,CDCl3)δ7.27-7.17(m,5H),5.81(dd,J=10.8,17.6Hz,1H),5.20(d,J=17.2Hz,1H),5.15(d,J=10.8Hz,1H),3.49(s,2H),2.95(br,1H),2.85(s,2H);13CNMR(100MHz,CDCl3)δ140.4,136.0,130.6,128.0,126.5,115.1,75.9,67.7,43.6;HRMS(ESI-MS):Calcd.for C11H14O2(M-H):177.0900,Found:177.0916;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/9,tmajor=6.40min,tminor=9.11min;80%ee.
Iv:R=正十一烷基;R’=H
1H NMR(400MHz,CDCl3)δ5.80(dd,J=10.8,17.6Hz,1H),5.33(d,J=10.8Hz,1H),5.23(d,J=17.2Hz,1H),3.51(d,J=11.2Hz,1H),3.47(d,J=11.2Hz,1H),2.62(br,2H),1.57-1.43(m,2H),1.36-1.20(m,18H),0.88(t,J=6.4Hz,3H);13C NMR(100MHz,CDCl3)δ140.8,114.9,76.1,68.7,37.1,31.9,30.1,29.6,29.5,29.3,23.1,22.6,11.1;HRMS(ESI-MS):Calcd.for C15H30O2(M-H):241.2200,Found:241.2168;95%ee.
Iw:R=4-甲基-3-戊烯基;R’=H
1H NMR(400MHz,CDCl3)δ5.80(dd,J=11.2,17.6Hz,1H),5.34(dd,J=1.6,17.6Hz,1H),5.25(dd,J=1.6,10.8Hz,1H),5.13-5.06(m,1H),3.50(d,J=11.2Hz,1H),3.46(d,J=11.2Hz,1H),2.92(br,2H),2.11-1.94(m,2H),1.67(s,3H),1.64-1.61(m,1H),1.59(s,3H),1.53-1.47(m,1H);13C NMR(100MHz,CDCl3)δ140.6,132.0,124.1,115.0,76.2,68.7,36.7,25.6,21.9,17.6;HRMS(ESI-MS):Calcd.for C10H18O2(M-H):169.1200,Found:169.1229;85%ee.
Ix:R=苄氧甲基;R’=H
1H NMR(400MHz,CDCl3)δ7.35-7.24(m,5H),5.83(dd,J=10.8,17.2Hz,1H),5.40(dd,J=1.6,10.8Hz,1H),5.22(dd,J=1.6,17.2Hz,1H),4.55(d,J=12.0Hz,1H),4.52(d,J=12.4Hz,1H),3.63(d,J=11.6Hz,1H),3.53(d,J=9.6Hz,1H),3.48(d,J=9.6Hz,1H),3.46(d,J=7.6Hz,1H),3.07(br,2H);13C NMR(100MHz,CDCl3)δ138.2,137.6,128.3,127.7,127.6,115.8,75.0,74.2,73.6,66.9;HRMS(ESI-MS):Calcd.for C12H16O3(M-H):207.1000,Found:207.1021;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tmajor=21.00min,tminor=22.53min;98%ee.
Iy:R=2-苄氧乙基;R’=H
1H NMR(400MHz,CDCl3)δ7.37-7.27(m,5H),5.80(dd,J=10.8,17.2Hz,1H),5.39(dd,J=1.6,17.2Hz,1H),5.23(dd,J=1.6,10.8Hz,1H),4.48(s,2H),3.81(bs,1H),3.75-3.62(m,2H),3.44(s,2H),2.51(bs,1H),2.19-2.12(m,1H),1.69-1.63(m,1H),13C NMR(100MHz,CDCl3)δ140.3,137.4,128.7,128.0,127.8,115.3,76.1,73.4,69.1,67.0,35.5;HRMS(ESI-MS):Calcd.for C13H18O3(M-H):221.1200,Found:221.1178;HPLC conditions:Chiralcel OD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tmajor=12.39min,tminor=13.24min;90%ee.
IIz:R=苯基;R’=甲基
1H NMR(400MHz,CDCl3)δ7.42-7.29(m,5H),6.09(dd,J=11.2,17.6Hz,1H),5.49(dd,J=1.2,11.2Hz,1H),5.41(dd,J=1.2,17.6Hz,1H),3.89-3.81(m,2H),3.21(s,3H),1.91(brt,1H);13C NMR(100MHz,CDCl3)δ139.9,137.0,128.4,127.6,127.1,118.2,82.2,67.3,51.3;HRMS(ESI-MS):Calcd.for C11H14O2(M+Na):201.0900,Found:201.0895;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/20,tminor=13.98min,tmajor=15.04min;85%ee.
IIaa:R=苯基;R’=乙基
1H NMR(400MHz,CDCl3)δ7.42-7.27(m,5H),6.10(dd,J=11.2,17.6Hz,1H),5.46(dd,J=1.2,11.2Hz,1H),5.39(dd,J=1.2,17.6Hz,1H),3.85(d,J=2.0,Hz 1H),3.83(d,J=2.8Hz,1H),3.44-3.31(m,2H),2.02(brt,1H),1.23(t,J=5.6Hz,3H);13C NMR(100MHz,CDCl3)δ140.5,137.6,128.3,127.6,126.9,117.8,81.9,67.6,58.7,15.6;HRMS(ESI-MS):Calcd.for C12H16O2(M+Na):215.1000,Found:215.1041;HPLC conditions:Chiralcel OJ-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/10,tminor=7.86min,tmajor=8.40min;87%ee.
IIab:R=苯基;R’=2-苯基乙基
1H NMR(400MHz,CDCl3)δ7.337.20(m,10H),6.03(dd,J=11.2,17.6Hz,1H),5.42(dd,J=0.8,11.2Hz,1H),5.34(dd,J=0.8,17.6Hz,1H),3.87-3.78(m,2H),3.58-3.49(m,2H),2.91(t,J=6.8Hz,2H),1.82(brt,1H);13C NMR(100MHz,CDCl3)δ140.2,139.1,137.6,129.0,128.4,128.3,127.6,126.9,126.3,117.8,81.8,67.1,64.2,36.8;HRMS(ESI-MS):Calcd.for C18H20O2(M+Na):291.1400,Found:291.1358;HPLC conditions:Chiralcel OJ-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/20,tminor=15.09min,tmajor=18.25min;82%ee.
IIac:R=苯基;R’=环己基甲基
1H NMR(400MHz,CDCl3)δ7.41-7.28(m,5H),6.04(dd,J=11.2,17.6Hz,1H),5.42(dd,J=1.2,11.2Hz,1H),5.39(dd,J=1.2,17.6Hz,1H),3.90(d,J=6.0Hz,1H),3.86(d,J=6.0Hz,1H),3.14(d,J=8.8Hz,1H),3.10(d,J=8.8Hz,1H),1.97(bt,1H),1.82-1.861(m,5H),1.31-1.14(m,4H),1.00-0.93(m,2H);13C NMR(100MHz,CDCl3)δ141.0,138.1,128.2,127.5,126.9,117.5,81.1,68.4,66.7,38.5,30.2,26.6,25.9;HRMS(ESI-MS):Calcd.forC17H24O2(M+Na):283.1700,Found:283.1678;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/20,tminor=6.47min,tmajor=6.68min;82%ee.
IIad:R=苯基;R’=3-氧代丁基
1H NMR(400MHz,CDCl3)δ7.38-7.27(m,5H),6.03(dd,J=11.2,17.6Hz,1H),5.38(d,J=11.2Hz,1H),5.30(d,J=17.6Hz,1H),3.99(s,2H),3.62-3.54(m,2H),2.86(brs,1H),2.77-2.74(m,2H),2.20(s,3H);13C NMR(100MHz,CDCl3)δ208.0,140.4,138.5,128.2,127.5,126.7,117.2,81.4,65.5,57.3,43.5,30.4;HRMS(ESI-MS):Calcd.for C14H18O3(M+Na):257.1200,Found:257.1153;HPLC conditions:Chiralcel OD-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/10,tminor=12.62min,tmajor=13.32min;92%ee.
IIae:R=苯基;R’=2-氰基乙基
1H NMR(400MHz,CDCl3)δ7.44-7.29(m,5H),6.12(dd,J=11.2,17.6Hz,1H),5.53(d,J=11.2Hz,1H),5.46(d,J=17.6Hz,1H),3.91(d,J=11.6Hz,1H),3.84(d,J=11.6Hz,1H),3.62-3.51(m,2H),2.61(t,J=6.0Hz,2H),1.99(brs,1H);13C NMR(100MHz,CDCl3)δ139.1,136.5,128.5,128.0,126.9,118.8,117.9,82.6,67.4,58.1,19.2;HRMS(ESI-MS):Calcd.for C13H15NO2(M+Na):240.1000,Found:240.1006;HPLC conditions:ChiralcelOD-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/10,tminor=8.63min,tmajor=12.16min;85%ee.
IIaf:R=苯基;R’=6-氯己基
1H NMR(400MHz,CDCl3)δ7.43-7.28(m,5H),6.07(dd,J=11.2,17.6Hz,1H),5.44(d,J=11.2Hz,1H),5.39(d,J=17.6Hz,1H),3.90-3.82(m,2H),3.53(t,J=6.8Hz,2H),3.36-3.27(m,2H),1.98(brt,1H),1.81-1.74(m,2H),1.66-1.56(m,2H),1.49-1.36(m,4H);13C NMR(100MHz,CDCl3)δ140.4,137.7,128.2,127.5,126.9,117.7,81.5,67.1,62.8,45.0,32.5,30.0,26.7,25.5;HRMS(ESI-MS):Calcd.for C16H23ClO2(M+Na):305.1300,Found:305.1289;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=22.57min,tmajor=25.22min;90%ee.
IIag:R=苯基;R’=3-苯基炔丙基
1H NMR(400MHz,CDCl3)δ7.50-7.29(m,10H),6.18(dd,J=11.2,17.6Hz,1H),5.53(d,J=11.2Hz,1H),5.48(d,J=17.6Hz,1H),4.30(d,J=11.6Hz,1H),4.21(d,J=11.6Hz,1H),3.97-3.87(m,2H),2.20(brt,1H);13C NMR(100MHz,CDCl3)δ139.4,136.6,131.7,128.4,128.2,127.9,127.1,122.5,118.9,85.9,85.7,83.4,67.9,53.0;HRMS(ESI-MS):Calcd.for C19H18O2(M+Na):301.1200,Found:301.1199;HPLC conditions:Chiralcel OD-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=10.51min,tmajor=11.57min;93%ee.
IIah:R=苯基;R’=3-苯基烯丙基
1H NMR(400MHz,CDCl3)δ7.47-7.22(m,10H),6.64(d,J=16.0Hz,1H),6.35-6.28(m,1H),6.16(dd,J=10.8,17.6Hz,1H),5.51(dd,J=1.2,10.8Hz,1H),5.47(dd,J=1.2,17.6Hz,1H),4.09-3.98(m,2H),3.94-3.85(m,2H),2.02(brt,1H);13C NMR(100MHz,CDCl3)δ140.0,137.2,136.8,131.5,128.5,128.4,127.8,127.6,127.0,126.4,126.3,118.4,82.5,67.9,64.3;HRMS(ESI-MS):Calcd.for C19H20O2(M+Na):303.1400,Found:303.1364;HPLCconditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/10,tminor=8.89min,tmajor=10.77min;93%ee.
IIai:R=苯基;R’=3-甲基烯丙基
1H NMR(400MHz,CDCl3)δ7.43-7.27(m,5H),6.12(dd,J=11.2,17.6Hz,1H),5.46(dd,J=1.2,11.2Hz,1H),5.43(dd,J=1.2,17.6Hz,1H),5.09(s,1H),4.90(s,1H),3.90(d,J=4.0,Hz 1H),3.88(d,J=5.2Hz,1H),3.78(d,J=14.0Hz,1H),3.74(d,J=14.0Hz,1H),2.03(brt,1H),1.75(s,3H);13C NMR(100MHz,CDCl3)δ142.5,140.1,137.5,128.3,127.6,126.9,111.9,110.8,82.0,67.4,66.8,19.8;HRMS(ESI-MS):Calcd.for C14H18O2(M+Na):241.1200,Found:241.1209;HPLC conditions:Chiralcel OJ-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/10,tminor=7.32min,tmajor=9.53min;89%ee.
IIaj:R=苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.44-7.28(m,5H),6.13(dd,J=11.2,17.6Hz,1H),6.01-5.91(m,1H),5.48(dd,J=1.2,11.2Hz,1H),5.43(dd,J=1.2,17.6Hz,1H),5.34(dd,J=1.6,17.2Hz,1H),5.18(dd,J=1.6,17.2Hz,1H),3.82-3.82(m,4H),2.03(brt,1H);13C NMR(100MHz,CDCl3)δ140.0,137.1,135.0,128.4,127.7,127.0,118.2,116.1,82.3,67.8,64.5;HRMS(ESI-MS):Calcd.for C13H16O2(M+Na):227.1000,Found:227.1042;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/25,tmajor=15.03min,tminor=17.27min;95%ee.
IIak:R=苯基;R’=3-烯丁基
1H NMR(400MHz,CDCl3)δ7.41-7.27(m,5H),6.07(dd,J=11.2,17.6Hz,1H),5.87-5.79(m,1H),5.45(dd,J=1.2,11.2Hz,1H),5.39(dd,J=1.2,17.6Hz,1H),5.11(dd,J=1.6,17.2Hz,1H),5.05(dd,J=1.6,17.2Hz,1H),3.90-3.82(m,2H),3.42-3.33(m,2H),2.40-2.34(m,2H),2.03(brt,1H);13C NMR(100MHz,CDCl3)δ140.3,137.6,135.3,128.3,127.6,126.9,117.8,116.6,81.7,67.1,62.4,34.6;HRMS(ESI-MS):Calcd.for C14H18O2(M+Na):241.1200,Found:241.1200;HPLC conditions:Chiralcel OJ-H column,220nm,flowrate:1ml/min,i-PrOH/hexanes=1/10,tminor=7.16min,tmajor=7.82min;91%ee.
IIal:R=苯基;R’=4-烯戊基
1H NMR(400MHz,CDCl3)δ7.41-7.27(m,5H),6.07(dd,J=11.2,17.6Hz,1H),5.875.77(m,1H),5.45(dd,J=1.2,11.2Hz,1H),5.39(dd,J=1.2,17.6Hz,1H),5.03(dd,J=1.6,12.8Hz,1H),4.97(dd,J=1.6,10.8Hz,1H),3.89(d,J=16.8Hz,1H),3.84(d,J=16.2Hz,1H),3.37-3.29(m,2H),2.19-2.13(m,2H),1.99(brt,1H),1.76-1.69(m,2H);13CNMR(100MHz,CDCl3)δ140.4,138.4,137.7,128.3,127.6,126.9,117.7,114.7,81.5,67.1,62.3,30.4,29.3,;HRMS(ESI-MS):Calcd.for C15H20O2(M+Na):255.1400,Found:255.1362;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/20,tminor=7.53min,tmaior=7.65min;86%ee.
IIam:R=苯基;R’=5-烯己基
1H NMR(400MHz,CDCl3)δ7.41-7.29(m,5H),6.08(dd,J=11.2,17.6Hz,1H),5.86-5.76(m,1H),5.45(dd,J=1.2,11.2Hz,1H),5.40(dd,J=1.2,17.6Hz,1H),5.00(dd,J=1.6,17.6Hz,1H),4.95(dd,J=1.6,12.0Hz,1H),3.91-3.82(m,2H),3.36-3.27(m,2H),2.10-2.04(m,2H),1.98(brt,1H),1.67-1.60(m,2H),1.51-1.41(m,2H);13C NMR(100MHz,CDCl3)δ140.4,138.7,137.7,128.3,127.5,126.9,117.7,114.6,81.5,67.2,62.8,33.6,29.6,25.5;HRMS(ESI-MS):Calcd.for C16H22O2(M+Na):269.1500,Found:269.1522;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/20,tminor=7.35min,tmajor=8.43min;85%ee.
IIan:R=苯基;R’=2-萘基甲基
1H NMR(400MHz,CDCl3)δ7.85-7.82(m,4H),7.53-7.45(m,5H),7.43-7.38(m,2H),7.35-7.30(m,1H),6.21(dd,J=11.2,17.6Hz,1H),5.56(dd,J=1.2,11.2Hz,1H),5.52(dd,J=1.2,17.6Hz,1H),4.60(d,J=11.6Hz,1H),4.55(d,J=11.6Hz,1H),4.00(d,J=11.6Hz,1H),3.97(d,J=11.6Hz,1H),2.02(brt,1H);13C NMR(100MHz,CDCl3)δ140.0,137.3,136.2,133.3,132.8,128.5,128.1,127.8,127.7,127.6,127.1,126.1,125.8,125.7,125.6,118.5,82.6,67.7,65.5;HRMS(ESI-MS):Calcd.for C21H20O2(M+Na):327.1400,Found:327.1367;HPLC conditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/10,tmaior=8.5min,tminor=9.3min;86%ee.
IIao:R=苯基;R’=4-甲氧基苯基甲基
1H NMR(400MHz,CDCl3)δ7.49-7.46(m,2H),7.41-7.37(m,2H),7.33-7.28(m,3H),6.91-6.87(m,2H),6.18(dd,J=11.2,17.6Hz,1H),5.52(dd,J=1.2,11.2Hz,1H),5.48(dd,J=1.2,17.6Hz,1H),4.37(d,J=11.2Hz,1H),3.31(d,J=11.2Hz,1H),3.94(d,J=11.2Hz,1H),3.91(d,J=11.2Hz,1H),3.81(s,3H),2.03(brs,1H);13C NMR(100MHz,CDCl3)δ159.0,140.1,137.4,130.7,129.0,128.4,127.7,127.1,118.3,113.8,82.3,67.6,65.0,55.3;HRMS(ESI-MS):Calcd.for C18H20O3(M+Na):307.1300,Found:307.1318;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=3/20,tminor=16.3min,tmajnor=31.8min;91%ee.
IIap:R=苯基;R’=4-硝基苯基甲基
1H NMR(400MHz,CDCl3)δ8.21(d,J=8.8Hz,2H),7.54(d,J=8.4Hz,2H),7.47-7.34(m,5H),6.17(dd,J=11.2,17.6Hz,1H),5.55(dd,J=0.8,11.2Hz,1H),5.51(dd,J=0.8,17.6Hz,1H),4.55(d,J=13.2Hz,1H),4.50(d,J=13.2Hz,1H),4.033.93(m,2H),1.90(brt,1H);13C NMR(100MHz,CDCl3)δ147.1,146.4,139.4,136.9,128.6,128.1,127.4,126.9,123.6,118.7,82.8,67.5,64.2;HRMS(ESI-MS):Calcd.for Calcd.for C17H17NO4(M+Na):322.1100,Found:322.1078;HPLC conditions:Chiralcel AS-H column,220um,flowrate:1ml/min,i-PrOH/hexanes=1/10,tminor=21.8min,tmajnor=32.0min;83%ee.
IIaq:R=4-甲氧基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.36-7.31(m,2H),6.91-6.88(m,2H),6.10(dd,J=10.8,17.6Hz,1H),5.99-5.89(m,1H),5.46(dd,J=1.2,10.8Hz,1H),5.42(dd,J=1.2,17.6Hz,1H),5.32(dd,J=1.6,17.2Hz,1H),5.16(dd,J=1.2,17.2Hz,1H),3.87-3.82(m,4H),3.81(s,3H),2.01(brt,1H);13C NMR(100MHz,CDCl3)δ159.0,137.3,135.0,131.8,128.3,117.9,116.0,113.9,82.0,67.8,64.4,55.2;HRMS(ESI-MS):Calcd.for C14H18O3(M+Na):257.1200,Found:257.1156;HPLC conditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=9.48min,tmajor=10.93min;95%ee.
IIar:R=3-甲氧基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.31-7.27(m,1H),6.99-6.97(m,2H),6.85-6.82(m,1H),6.11(dd,J=10.8,17.6Hz,1H),6.01-5.91(m,1H),5.48(dd,J=1.2,10.8Hz,1H),5.44(dd,J=1.2,17.6Hz,1H),5.34(dd,J=1.6,17.2Hz,1H),5.17(dd,J=1.2,10.4Hz,1H),3.90-3.86(m,4H),3.81(s,3H),2.01(brt,1H);13C NMR(100MHz,CDCl3)δ159.7,141.8,137.1,135.0,129.4,119.3,118.2,116.0,113.0,112.9,82.3,67.8,64.5,35.2;HRMS(ESI-MS):Calcd.for C14H18O3(M+Na):257.1200,Found:257.1175;HPLC conditions:Chiralcel AS-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=9.38min,tmajor=10.29min;93%ee.
IIas:R=2-甲氧基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.52(dd,J=1.6,7.6Hz,1H),7.31-7.27(m,1H),7.01-76.97(m,1H),6.91(d,J=8.4Hz,1H),6.13(dd,J=10.8,17.6Hz,1H),6.05-5.96(m,1H),5.38(dd,J=2.0,17.2Hz,1H),5.30(dd,J=1.2,10.8Hz,1H),5.23(dd,J=1.2,17.6Hz,1H),5.19(dd,J=1.6,17.6Hz,1H),4.143.98(m,4H),3.78(s,3H),2.05(brt,1H);13C NMR(100MHz,CDCl3)δ156.7,137.2,135.2,128.9,128.5,128.4,120.7,116.5,115.8,111.7,82.2,66.5,64.3,55.2;HRMS(ESI-MS):Calcd.for C14H18O3(M+Na):257.1200,Found:257.1158;HPLC conditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tmajor=10.06min,tminor=13.91min;99%ee.
IIat:R=4-甲基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.31-7.27(m,2H),7.19-7.14(m,2H),6.11(dd,J=10.8,17.6Hz,1H),5.99-5.90(m,1H),5.46(dd,J=1.2,10.8Hz,1H),5.42(dd,J=1.2,17.6Hz,1H),5.32(dd,J=1.6,17.2Hz,1H),5.16(dd,J=1.6,10.8Hz,1H),3.90-3.79(m,4H),2.35(s,3H),2.02(brt,1H);13C NMR(100MHz,CDCl3)δ137.4,137.3,136.9,135.1,129.1,126.9,117.9,116.0,82.2,67.8,64.4,21.0;HRMS(ESI-MS):Calcd.for C14H18O2(M+Na):241.1200,Found:241.1202;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=11.60min,tmajor=12.74min;92%ee.
IIau:R=4-氟苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.41-7.38(m,2H),7.08-7.03(m,2H),6.09(dd,J=10.8,17.6Hz,1H),5.99-5.90(m,1H),5.48(dd,J=1.2,10.8Hz,1H),5.41(dd,J=1.2,17.6Hz,1H),5.33(dd,J=1.6,17.2Hz,1H),5.18(dd,J=1.6,10.8Hz,1H),3.92-3.80(m,4H),1.98(brt,1H);13C NMR(100MHz,CDCl3)δ161.0,137.1,134.8,128.8,128.7,118.4,116.2,115.1,81.9,67.7,64.5;HRMS(ESI-MS):Calcd.for C13H15FO2(M+Na):245.1000,Found:245.0980;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=12.21min,tmajor=18.45min;90%ee.
IIav:R=4-氯苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.37-7.32(m,4H),6.08(dd,J=11.2,17.6Hz,1H),5.99-5.90(m,1H),5.49(dd,J=1.2,11.2Hz,1H),5.40(dd,J=1.2,17.6Hz,1H),5.34(dd,J=1.6,17.2Hz,1H),5.19(dd,J=1.6,10.8Hz,1H),3.92-3.80(m,4H),2.01(brt,1H);13C NMR(100MHz,CDCl3)δ138.7,136.8,134.7,133.6,128.5,128.4,118.9,116.2,82.0,67.7,64.5;HRMS(ESI-MS):Calcd.for C13H15ClO2(M+Na):261.0700,Found:261.0675;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=11.72min,tmajor=13.34min;92%ee.
IIaw:R=4-溴苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.51-7.48(m,2H),7.31-7.28(m,2H),6.08(dd,J=11.2,17.6Hz,1H),5.99-5.90(m,1H),5.50(dd,J=1.2,11.2Hz,1H),5.40(dd,J=1.2,17.6Hz,1H),5.33(dd,J=1.6,17.2Hz,1H),5.18(dd,J=1.6,10.8Hz,1H),3.92-3.80(m,4H),2.01(brt,1H);13C NMR(100MHz,CDCl3)δ139.3,136.7,134.7,131.4,128.8,121.8,118.7,116.3,82.0,67.6,64.5;HRMS(ESI-MS):Calcd.for C13H15BrO2(M+Na):305.0200,Found:305.0174;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=12.27min,tmajor=15.08min;94%ee.
IIax:R=3-硝基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ8.32(t,J=2.0Hz,1H),8.18-8.15(m,1H),7.79-7.77(m,1H),7.55(t,J=8.0Hz,1H),6.10(dd,J=10.8,17.6Hz,1H),6.035.94(m,1H),5.57(dd,J=1.2,10.8Hz,1H),5.42(dd,J=1.2,17.6Hz,1H),5.38(dd,J=1.6,17.2Hz,1H),5.23(dd,J=1.6,10.4Hz,1H),4.00-3.84(m,4H),2.06(brs,1H);13C NMR(100MHz,CDCl3)δ148.3,143.1,136.3,134.4,133.1,129.2,122.9,122.1,119.6,116.7,81.9,67.4,64.8;HRMS(ESI-MS):Calcd.for C13H15NO4(M+Na):272.0900,Found:272.0895;HPLC conditions:Chiralcel AS-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=27.68min,tmajor=32.21min;94%ee.
IIay:R’=烯丙基
1H NMR(400MHz,CDCl3)δ6.93(d,J=1.6Hz,1H),6.87(dd,J=1.6,8.0Hz,1H),6.80(d,J=8.0Hz,1H),6.07(dd,J=10.8,17.6Hz,1H),5.99-5.89(m,3H),5.47(dd,J=1.2,10.8Hz,1H),5.42(dd,J=1.2,17.6Hz,1H),5.33(dd,J=2.0,17.2Hz,1H),5.17(dd,J=1.6,10.4Hz,1H),3.92-3.78(m,4H),1.99(brt,1H);13C NMR(100MHz,CDCl3)δ147.8,147.0,137.2,134.9,133.0,120.4,118.0,116.1,108.0,107.7,101.1,82.1,67.7,64.4;HRMS(ESI-MS):Calcd.for C14H16O4(M+Na):271.0900,Found:271.0922;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=24.55min,tmajor=30.26min;90%ee.
IIaz:R=2,4-二甲氧基苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.40(d,J=8.4Hz,1H),8.52-6.47(m,2H),6.11(dd,J=10.8,17.6Hz,1H),6.00-5.94(m,1H),5.36(dd,J=1.6,17.2Hz,1H),5.29(dd,J=1.2,10.8Hz,1H),5.26(dd,J=1.6,17.6Hz,1H),5.18(dd,J=1.6,10.4Hz,1H),4.11-3.94(m,4H),3.81(s,3H),3.76(s,3H),2.02(brt,1H);13C NMR(100MHz,CDCl3)δ160.4,157.9,137.6,135.3,129.4,120.7,116.2,115.8,104.1,99.5,82.0,66.6,64.3,55.3,55.2;HRMS(ESI-MS):Calcd.for C15H20O4(M+Na):287.1300,Found:287.1267;HPLC conditiohs:Chiralcel AS-Hcolumn,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tmajor=19.11min,tminor=22.31min;98%ee.
IIba:R=2,4-二氟苯基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.54-7.48(m,1H),6.93-6.87(m,1H),6.83-6.77(m,1H),6.08(dd,J=11.2,17.6Hz,1H),6.00-5.93(m,1H),5.43(dd,J=1.2,11.2Hz,1H),5.37(dd,J=1.6,9.6Hz,1H),5.29(dd,J=1.2,17.6Hz,1H),5.22(dd,J=1.6,10.2Hz,1H),4.00-3.92(m,4H),1.99(brt,1H);13C NMR(100MHz,CDCl3)δ163.9,163.7,161.4,161.3,161.1,161.0,158.8,158.7,135.9,135.8,134.6,130.2,130.1,130.0,123.5,123.3,118.4,116.4,111.3,111.2,111.1,111.0,104.9,104.7,104.6,104.4,81.2,65.9,65.8,64.6;HRMS(ESI-MS):Calcd.for C13H14F2O2(M+Na):263.0900,Found:263.0865;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tminor=17.21min,tmajor=18.45min;90%ee.
IIbb:R=2-萘基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.87-8.82(m,4H),7.55-7.47(m,3H),6.20(dd,J=10.8,17.6Hz,1H),6.03-5.94(m,1H),5.52(dd,J=1.2,10.8Hz,1H),5.48(dd,J=1.2,17.6Hz,1H),5.36(dd,J=1.6,17.2Hz,1H),5.19(dd,J=1.6,10.4Hz,1H),4.03-3.87(m,4H),2.05(bt,1H);13C NMR(100MHz,CDCl3)δ137.5,137.3,135.0,133.0,132.8,128.2,128.1,127.5,126.2,126.1,126.0,124.9,118.3,116.2,82.4,67.5,64.6;HRMS(ESI-MS):Calcd.forC17H18O2(M+Na):277.1200,Found:277.1204;HPLC conditions:Chiralcel AD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tmajor=9.95min,tminor=10.74min;92%ee.
IIbc:R=2-呋喃基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.45(d,J=2.0Hz,1H),6.42(dd,J=0.8,3.2Hz,1H),6.38(dd,J=1.6,3.2Hz,1H),6.07(dd,J=10.8,17.6Hz,1H),5.91-5.82(m,1H),5.49(dd,J=1.2,2.4Hz,1H),5.46(dd,J=1.2,4.4Hz,1H),5.24(dd,J=1.2,17.2Hz,1H),5.12(dd,J=1.2,10.8Hz,1H),3.99(dd,J=5.6,11.2Hz,1H),3.94-3.88(m,1H),3.78(dd,J=5.6,11.2Hz,1H),3.74-3.68(m,1H),2.08(brt,1H);13C NMR(100MHz,CDCl3)δ152.8,142.7,135.3,134.8,118.3,116.2,110.2,109.8,79.1,67.2,65.3;HRMS(ESI-MS):Calcd.forC11H14O3(M+Na):217.0800,Found:217.0823;HPLC conditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=13.00min,tmajor=20.04min;90%ee.
IIbd:R=3-噻吩基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.33(dd,J=3.2,5.2Hz,1H),7.26(dd,J=1.2,3.2Hz,1H),7.10(dd,J=1.6,5.2Hz,1H),6.12(dd,J=10.8,17.6Hz,1H),5.96-5.86(m,1H),5.45(dd,J=1.2,5.6Hz,1H),5.43(dd,J=1.2,12.0Hz,1H),5.30(dd,J=1.2,17.2Hz,1H),5.15(dd,J=1.2,10.8Hz,1H),3.92-3.84(m,2H),3.81-3.75(m,2H),2.05(brt,1H);13C NMR(100MHz,CDCl3)δ141.4,137.1,135.0,126.9,125.9,123.1,117.8,116.1,80.8,68.0,64.7;HRMS(ESI-MS):Calcd.for C11H14O2S(M+Na):233.0600,Found:233.0617;HPLCconditions:Chiralcel OJ-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/19,tminor=12.15min,tmajor=13.16min;87%ee.
IIbe:R=苄氧基甲基;R’=烯丙基
1H NMR(400MHz,CDCl3)δ7.38-7.27(m,5H),5.97-5.87(m,1H),5.77(dd,J=11.2,17.6Hz,1H),5.34(dd,J=1.2,11.2Hz,1H),5.32(dd,J=1.2,17.6Hz,1H),5.28(dd,J=1.6,17.2Hz,1H),5.14(dd,J=1.6,10.4Hz,1H),4.62(d,J=12.0Hz,1H),4.54(d,J=12.0Hz,1H),4.05-3.94(m,2H),3.78(d,J=11.6Hz,1H),3.70(d,J=11.6Hz,1H),3.66(d,J=9.4Hz,1H),3.59(d,J=9.4Hz,1H),2.39(brs,1H);13C NMR(100MHz,CDCl3)δ137.8,136.1,135.3,128.4,127.7,127.6,117.9,116.1,79.3,73.7,72.5,65.3,64.2;HRMS(ESI-MS):Calcd.for C15H20O3(M+Na):271.1300,Found:271.1308;HPLC conditions:ChiralcelOD-H column,220nm,flow rate:1ml/min,i-PrOH/hexanes=1/49,tmajor=10.79min,tminor=11.73min;83%ee.
实施例7、化合物V的制备
在-10度下,间氯过氧苯甲酸(1.2g,6.9mmol)加入到手性叔醇化合物Ia(0.55g,2.8mmol)的二氯甲烷溶液中,反应15小时。反应混合物导入水中,二氯甲烷萃取后,干燥、过滤、用旋转蒸发仪蒸干溶剂。柱层析提纯得到化合物V(0.5g,84%)。
1H NMR(400MHz,CDCl3)δ7.67-7.61(m,1H),6.93-6.88(m,1H),6.84-6.78(m,1H),4.14(dd,J=2.0,11.6Hz,1H),3.84(d,J=11.6Hz,1H),3.65(dd,J=4.0,7.2Hz,1H),3.26(br,2H),2.69-2.65(m,2H);13C NMR(100MHz,CDCl3)δ163.9,163.8,161.4,161.3,160.6,160.5,158.1,158.0,129.4,129.3,129.3,129.2.123.2,123.1,123.0,123.0,111.6,111.6,111.4,111.4,104.4,104.1,104.1,103.9,72.6,72.5,68.3,68.3,54.4,54.3,42.5;HRMS(APCI-MS):Calcd.for C10H11O3F2(M+H):217.0700,Found:217.0674;
实施例8、化合物IV的制备
在0度下,化合物V(0.25g,1.2mmol)加入含氢化铝锂(0.13g,3.5mmol)的乙醚悬浮液。室温搅拌5小时后,用饱和硫酸钠溶液淬灭,过滤、干燥,蒸干溶剂。柱层析提纯得到化合物IV(0.22g,85%)。
1H NMR(400MHz,acetone-d6)δ7.81-7.75(m,1H),7.02-6.90(m,2H),4.34-4.28(m,1H),4.20(s,1H),4.13-4.01(m,3H),3.83(dd,J=6.8,10.8Hz,1H);0.87(d,J=6.4Hz,3H);13C NMR(100MHz,CDCl3)δ164.4,164.2,161.9,161.8,161.3,161.2,158.9,158.7,131.6,131.6,131.5,127.0,126.9,111.8,111.6,104.6,104.4,104.1,78.6,78.5,70.6,70.6,68.5,68.5,18.3;HRMS(ESI-MS):Calcd.for C10H13O3F2(M+H):219.0900,Found:219.0916.
实施例9、化合物VI的制备
反应管中依次加入1,4-二溴苯(1.0mmol)、碳酸钾(3.0mmol)、氯化亚铜(0.05mmol)、2-甲叉-1,3-丙二醇(1.0mL),130℃下反应24小时。反应液降至室温,加入1N的盐酸溶液使PH=3,乙酸乙酯萃取、干燥、蒸干溶剂后残留物柱层析得到化合物VI(42%)。
1H NMR(400MHz,CDCl3)δ7.40-7.34(m,2H),7.83-7.78(m,2H),5.29(s,1H),5.26(s,1H),4.55(s,2H),4.24(s,2H),2.07(br,1H);13C NMR(100MHz,CDCl3)δ157.5,143.65,132.2,116.5,114.0,113.2,69.1,63.8;HRMS(ESI-MS):Calcd.for C10H11BrO2(M+Na):264.9800,Found:264.9769.
实施例10、化合物Ib的制备
反应管中依次加入Pd2(dba)3CHCl3(0.025mmol)、手性配体(S)-3a(0.1mmol)、三乙基硼(0.05mmol)、化合物IIIa(1.0mmol)、烯丙醇化合物VI(1.1mmol)、分子筛(100mg)以及甲苯(5.0mL),40℃下反应16小时。减压蒸去溶剂后残留物柱层析得到化合物Ib(91%,95%ee)。
1H NMR(400MHz,CDCl3)δ7.51-7.45(m,1H),7.38-7.34(m,2H),6.87-6.74(m,4H),6.04(d,J=10.8,17.6Hz,1H),5.41(d,J=10.8Hz,1H),5.37(s,1H),5.32(s,1H),5.28(d,J=17.6Hz,1H),4.62(d,J=13.2Hz,1H),4.58(d,J=13.2Hz,1H),4.09-4.01(m,4H),2.18(brt,1H);13C NMR(100MHz,CDCl3)δ163.8,163.7,161.3,161.2,161.1,158.7,158.6,157.4,141.3,136.1,132.2,130.0,129.9,123.5,118.2,116.5,115.4,113.2,111.2,111.0,104.9,104.6,104.4,81.0,69.1,65.0,64.9,63.8;HRMS(ESI-MS):Calcd.forC20H19BrF2O3(M+Na):447.0400,Found:447.0389.
实施例11、化合物VII的制备
反应管中依次加入化合物Ib(0.12mmol)、钌催化剂化合物VIII(0.01mmol)以及二氯甲烷(2.0mL),40℃下反应12小时。减压蒸去溶剂后残留物柱层析得到化合物VII(83%)。
1H NMR(400MHz,CDCl3)δ7.61-7.55(m,1H),7.37-7.35(m,2H),6.91-6.75(m,4H),6.20(s,1H),4.87(d,J=12.8Hz,1H),4.77(d,J=12.8Hz,1H),4.64(d,J=14.0Hz,1H),4.61(d,J=14.0Hz,1H),3.92(d,J=11.6Hz,1H),3.73(d,J=11.6Hz,1H),2.04(brs,1H);13C NMR(100MHz,CDCl3)δ163.8,163.6,161.3,161.2,159.9,159.8,157.3,138.1,132.3,128.5,128.4,128.3,125.5,125.4,116.3,113.5,111.4,111.2,104.4,104.2,103.9,93.1,74.8,67.3,61.9;HRMS(ESI-MS):Calcd.for C1sH15BrF2O3(M+Na):419.0100,Found:419.0075.
以上对本发明的具体实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。

Claims (11)

1.一种手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,在有机溶剂中,以钯源与手性配体配位作用生成的钯配合物和硼化合物为催化剂,消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物III和水或醇,在0-60℃下反应,制得所述手性叔醇或叔醚类化合物I或II;
上述化合物I、II、III,结构式如下所示:
其中:R为氢、C1-C20的烷基、C3-C16的环烷基、C4-C16的含N、O或S的杂环基、C6-C24的芳基、取代基含N、O、S、P或卤素的C4-C24的取代芳基、C7-C26的芳基烷基、-CnH2n-OR1、-CnH2n-SR2或-CnH2n-NR3R4,其中,n为1~10中任一整数,R1、R2、R3、R4和R5分别选自氢、C1-C8烷基、C4-C15芳基或C5-C15芳基烷基;R’为氢或-CH2R,其中R为上述R中的一种。
2.如权利要求1所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述醇为RCH2OH。
3.如权利要求1所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述有机溶剂为四氢呋喃、二氧六环、二氯甲烷、三氯甲烷、乙酸乙酯、甲苯、苯、乙醚、甲基叔丁基醚、丙酮、二甲基甲酰胺或乙腈。
4.如权利要求1所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述钯源为Pd2(dba)3、Pd2(dba)3CHCl3、Pd(dba)2、[Pd(allyl)Cl]2、Pd(OAc)2、Pd(CF3COO)2、Pd(CH3CN)2Cl2或Pd(PhCN)2Cl2
5.如权利要求1所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述手性配体为具有如下结构的手性膦配体中的一种:
其中,X为C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基、OR1’或NR2’R3’,其中R1’为C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基,R2’、R3’分别为氢、C1-C20的烷基、C6-C20的芳基或C6-C20的取代芳基。
6.如权利要求1所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述硼化合物为具有如下结构的硼化合物中的一种:
其中R6、R7、R8分别为C1-C10的烷基、C6-C16的芳基、C6-C16的取代芳基或-OR9,其中R9为氢、C1-C10的烷基、C6-C16的芳基或C6-C16的取代芳基。
7.如权利要求1-6中任一项所述的手性叔醇或叔醚类化合物I或II的制备方法,其特征在于,所述消旋4-取代-4-乙烯基-1,3-二氧戊环-2-酮类化合物III、水、钯源、手性配体及硼化合物的摩尔比为1∶(1~20)∶(0.0001~0.05)∶(0.0001~0.20)∶(0.0001~0.40)。
8.一种如权利要求1所述方法制备得到的手性叔醇类化合物I的用途,其特征在于,利用手性叔醇化合物Ia制备手性三醇化合物IV,具体包括如下步骤:
S1、化合物Ia在二氯甲烷溶剂中,与间氯过氧苯甲酸在-15~0℃下反应,得到化合物V
S2、化合物V在乙醚溶液中,与氢化铝锂在0~40℃下反应,得到手性三醇化合物IV
9.一种如权利要求1所述方法制备得到的手性叔醚类化合物II的用途,其特征在于,手性叔醚类化合物Ib与钌催化剂VIII在二氯甲烷中,在20~60℃下反应,得到二氢呋喃化合物VII所述二氢呋喃化合物VII为制备药物泊沙康唑的中间体。
10.如权利要求9所述的用途,其特征在于,所述手性叔醚类化合物Ib是由化合物IIIa与烯丙醇化合物VI制备而得。
11.如权利要求10所述的用途,其特征在于,所述烯丙醇化合物VI是由过量的2-甲叉-1,3-丙二醇在催化剂氯化亚铜和碳酸钾存在下,与1,4-二溴苯,在80~150℃下反应而得。
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