轴手性联萘骨架含膦配体的环钯催化剂、合成方法及其应用转让专利
申请号 : CN200810040497.4
文献号 : CN101306388B
文献日 : 2011-06-29
发明人 : 侯雪龙 , 莫冬亮 , 张廷珂 , 戴立信
申请人 : 中国科学院上海有机化学研究所
摘要 :
权利要求 :
1.一种具有轴手性联萘骨架含膦配体的环钯催化剂,具有如下的结构式;
其中,Ar1=未取代、单取代或二取代的苯基,其中取代基是C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基或卤原子;
R1=C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基、卤原子、苯基、单取代或二取代的苯基,其中取代基是C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基或卤原子;
X=OAc、OOCF3、OOCPh、I、Br或Cl。
2.一种如权利要求1所述的轴手性联萘骨架含膦配体的环钯催化剂的制备方法,其特征是通过下述步骤获得:惰性气体保护条件下、有机溶剂中和50-80℃下,配体、PdX2的混合物搅拌反应
1h-12h;
其中,所述的配体、PdX2的摩尔比为1∶1;
所述的配体结构式为
其中,R1和Ar1如权利要求1所述。
3.如权利要求2所述的轴手性联萘骨架含膦配体的环钯催化剂的制备方法,其特征是所述的反应后采用下述方法分离纯化:反应液依次过滤、旋去部分有机溶剂,然后柱层析、薄层层析或重结晶。
4.如权利要求3所述的轴手性联萘骨架含膦配体的环钯催化剂的制备方法,其特征是所述的柱层析或薄层层析采用的洗脱液为极性溶剂和非极性溶剂体积比为1∶1~20的混和溶剂。
5.如权利要求2所述的轴手性联萘骨架含膦配体的环钯催化剂的制备方法,其特征所述的有机溶剂是苯、甲苯、环己烷、石油醚、四氯化碳、四氢呋喃、乙酸乙酯、乙腈、乙醚、二氯甲烷、丙酮、三氯甲烷、正己烷或二氧六环。
6.一种如权利要求1中所述的含膦配体的环钯催化剂在有机硼试剂对杂原子降冰片二烯的不对称催化的开环反应中的应用;所述的有机硼试剂的结构为:R2为C1~6的烷基、芳基或卤素;
R3为芳基、C1-6的烷基或卤素;
R4为C1-6的烷基和未取代、单取代或二取代的苯基,其中取代基是C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基或卤原子;
R5为C1-6的烷基和未取代、单取代或二取代的苯基,其中取代基是C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基或卤原子。
7.如权利要求6中所述的应用,其特征是所述的含膦配体的环钯催化剂在有机硼试剂对杂原子降冰片二烯的不对称催化的开环反应中的应用是由所述的含膦配体的环钯催化剂、有机硼试剂、杂原子降冰片二烯和碱,在有机溶剂中,空气或者惰性气体下,
0℃到室温下反应0.5h-24h;所述的催化剂、硼试剂、杂原子降冰片二烯和碱的摩尔比为
0.005-0.05∶1.2-2.0∶1.0∶0.5-1.0;
所述的含膦配体的环钯催化剂的结构式为:
所述的有机硼试剂如权利要求6所述;
所述的杂原子降冰片二烯的结构为:
其中,R1、Ar1如权利要求1所述;
R6为C1~6的烷基、芳基、卤素、酯基或甲氧基;
R7为C1~6的烷基、甲氧基或苄基;
R8为C1~6的烷基、芳基、卤素或甲氧基;
R9为C1~6的烷基、芳基、卤素或甲氧基;
Y为氧或氮原子;
所述的碱是磷酸三钾、氢氧化钠、氢氧化钾、氢氧化铯、碳酸铯,碳酸钾、叔丁醇钾、叔丁醇钠、氟化钾、吡啶、三乙胺或N,N-二异丙基乙基胺。
8.如权利要求6中所述的应用,其特征是所述的有机溶剂是苯、甲苯、环己烷、石油醚、四氯化碳、四氢呋喃、乙酸乙酯、乙腈、乙醚、二氯甲烷、丙酮、三氯甲烷、正己烷或二氧六环。
说明书 :
轴手性联萘骨架含膦配体的环钯催化剂、合成方法及其应
用
技术领域
背景技术
发明内容
具体实施方式
HNMR(300MHz,CDCl3):δ1.80(s,3H),6.45-7.22(m,11H),7.23-8.15(m,11H);
13
CNMR(75MHz,CDCl3)δ23.50,125.01,126.10,126.30,127.20,128.31,128.72,128.84,
31
131.60,133.12,133.70,134.22,134.38,136.01,136.29,137.45,141.30,176.00;P -1
NMR(300MHz,CDCl3):δ35.6;IR(KBr):3051,1559,1436,1100,743,693cm ;MS(ESI)+ +
m/z(相对强度):625(M+Na);HRMS for C34H25O2PPdNa :理论值(Calc)625.0524;实测
20
值(Found).625.0519.Cat-2(Ar1=p-MeOC6H4):产率88%.[a]D =-62℃(c=0.44,
1
CHCl3);M.p.198-204℃;H NMR(300MHz,CDCl3):δ1.81(s,3H),3.83(s,6H),6.40-7.24(m,
13
11H),7.25-8.10(m,11H);C NMR(75MHz,CDCl3)δ24.50,55.83,114.33,125.08,126.15,
126.33,127.20,128.37,129.71,133.12,133.75,134.22,134.39,136.10,141.30,
31
160.70,178.01;P NMR(300MHz,CDCl3):δ35.1;IR(KBr):3055,1580,1445,1112,748,-1 + +
700cm ;MS(ESI)m/z(相对强度):685(M+Na);HRMS for C36H29O4PPdNa :Calc.685.0736;
Found.685.0764.
20
M.p.195-200℃;H NMR(300MHz,CDCl3):δ1.88(s,3H),6.55-7.40(m,10H),7.41-8.30(m,
13
10H);C NMR(75MHz,CDCl3)δ23.65,124.11,125.08,125.12,126.05,126.34,127.20,
128.36,131.66,133.12,133.78,134.22,134.35,136.00,136.55,140.70,141.33,177.65;
31 19
P NMR(300MHz,CDCl3):δ35.1;F NMR(300MHz,CDCl3):δ-63.2;IR(KBr):3048,1556,-1 + +
1454,1005,738,689cm ;MS(ESI)m/z(相对强度):761(M+Na);HRMS for C36H23O2F6PPdNa :
Calc.761.0272;Found.761.0245.
20
M.p.203-208 ℃;H NMR(300MHz,CDCl3):δ1.83(s,3H),2.34(s,12H),6.70-7.24(m,
13
11H),7.25-8.40(m,7H);C NMR(75MHz,CDCl3)δ21.90,23.10,125.06,126.05,126.31,
127.25,128.34,131.01,131.67,132.50,133.11,133.72,134.22,134.39,136.00,137.22,
31
141.30,175.01;P NMR(300MHz,CDCl3):δ34.9;IR(KBr):3048,1573,1454,1110,746,-1 + +
693cm ;MS(ESI)m/z(相对强度):681(M+Na);HRMS forC38H33O2PPdNa :Calc.681.1151;
Found.681.1175.
M.p.199-204℃;H NMR(300MHz,CDCl3):δ1.81(s,3H),7.10-7.40(m,10H),7.41-8.50(m,
13
8H);C NMR(75MHz,CDCl3)δ23.80,123.23,124.71,125.08,126.05,126.35,127.20,
128.36,131.36,131.60,133.11,133.76,134.22,134.90,136.04,138.06,141.35,178.56;
31 19
P NMR(300MHz,CDCl3):δ35.3;F NMR(300MHz,CDCl3):δ-63.3;IR(KBr):3033,1567,-1 + +
1468,1110,745,694cm ;MS(ESI)m/z(相对强度):897(M+Na);HRMS for C38H21O2F12PPdNa :
Calc.897.0020;Found 897.0062
H NMR(300MHz,CDCl3):δ3.86-3.92(m,1H),4.90(t,J=6.9Hz,1H),6.13(dd,J=3.9Hz,
9.6Hz,1H),6.71(dd,J=1.8Hz,9.9Hz,1H),7.17(dd,J=1.5Hz,7.2Hz,1H),7.23-7.38(m,+
8H);MS(EI)m/z(相对强度):222(M,65),204(21),202(17),131(88),118(100),115(29).[0055] 3ab:oil,47mg,94%yield,ee值由手性HPLC测定。(OD柱流速,1.0mL/min,
1
n-hexane/i-PrOH=90/10,λ=254nm,tR=9.8min,16.3min,ee:79%);H NMR(300MHz,CDCl3):δ3.78(s,3H),3.82-3.86(m,1H),4.93(t,J = 6.9Hz,1H),6.10(dd,J = 4.2Hz,
9.6Hz,1H),6.67(d,J = 9.6Hz,1H),6.84(d,J = 8.4Hz,2H),7.16(d,J = 7.8Hz,3H),+
7.20-7.38(m,3H);MS(EI)m/z( 相 对 强 度 ):252(M,40),234(18),131(72),121(57),
118(100),115(19),91(13).
73%);M.p.112-115℃;H NMR(300MHz,CDCl3):δ3.85-3.90(m,1H),4.94(t,J=6.6Hz,
1H),6.09(dd,J = 3.9Hz,9.9Hz,1H),6.74(d,J = 9.6Hz,1H),7.19(d,J = 6.9Hz,1H),+
7.24-7.43(m,6H),7.57(d,J=7.4Hz,2H);MS(EI)m/z(相 对强 度):290(M),273(18),
13
272(100),203(19),202(43),118(50),101(12),91(15). CNMR(75MHz,CDCl3):δ47.15,
71.19,125.27,125.32,125.37,125.59,126.59,128.25,128.57,128.66,128.70,129.62,
19
132.26,135.68,142.42;F NMR(CDCl3):δ-62.84;IR(KBr,neat)3516,1618,1330,1114,-1
817cm ;HRMS for C17H13OF3:Calc.290.0918;Found.290.0911.
74 %);H NMR(300MHz,CDCl3):δ3.81-3.86(m,1H),4.89(t,J = 6.0Hz,6H),6.08(dd,J= 3.6Hz,9.6Hz,1H),6.73(dd,J= 2.4Hz,9.9Hz,1H),7.15-7.22(m,2H),7.25-7.36(m,+
6H);MS(EI)m/z(相对强度):256(M,32),202(11),131(89),118(100),115(17),103(11),
91(10).
min,n-hexane/i-PrOH = 90/10,λ = 254nm,tR = 10.7min,15.4min,ee:73 % );H NMR(300MHz,CDCl3):δ3.75(s,3H),3.83-3.88(m,1H),4.93(t,J=6.6Hz,1H),6.12(dd,J=4.2Hz,9.6Hz,1H),6.70(dd,J=2.1Hz,9.6Hz,1H),6.85(d,J=21.0Hz,2H),6.88(d,J=1.5Hz,1H),7.17(dd,J=1.2Hz,6.9Hz,1H),7.20-7.38(m,4H);MS(EI)m/z(相对强度):
+
252(M,56),131(100),122(55),118(85),115(31),91(19),90(39).
n-hexane/i-PrOH=90/10,λ=254nm,tR=6.7min,10.6min,ee:72%);H NMR(300MHz,CDCl3):δ3.84(m,1H),4.89(t,J=6.6Hz,1H),6.06(dd,J=3.9Hz,9.3Hz,1H),6.68(dd,J=1.8Hz,9.6Hz,1H),6.96-7.03(m,2H),7.16-7.35(m,6H).
min,n-hexane/i-PrOH=90/10,λ=254nm,tR=18min,39min,ee:79%);HNMR(300MHz,CDCl3):δ4.82-4.87(m,1H),4.95(t,J = 5.4Hz,1H),6.22(dd,J = 3.0Hz,9.6Hz,1H),
6.82(dd,J=2.4Hz,9.6Hz,1H),7.23-7.40(m,5H),7.48-7.52(m,4H),7.83(d,J=8.4Hz,+
1H),7.90-7.95(m,1H),8.17(d,J= 8.4Hz,1H);MS(EI)m/z( 相 对 强 度 ):272(M,28),
254(29),253(32),141(26),131(100),118(65),115(21).
n-hexane/i-PrOH=90/10,λ=254nm,tR=7.4min,12.2min,ee:30%);H NMR(300MHz,CDCl3):δ2.54(s,3H),4.19-4.23(m,1H),4.80-4.85(m,1H),6.08(dd,J = 3.3Hz,9.9Hz,+
1H),6.73(dd,J=2.7Hz,9.6Hz,1H),7.15-7.20(m,8H);MS(EI)m/z(相对强度):236(M,
55),131(100),118(84),115(26),106(39),91(23),90(33).
1
M.p.96-98 ℃;H NMR(300MHz,CDCl3):δ2.35(s,6H),3.85-3.90(m,1H),4.85(t,J =
6.3Hz,1H),6.07(dd,J=3.6Hz,9.3Hz,1H),6.66(d,J=9.9Hz,1H),6.98(s,1H),7.12(s,+
1H),7.22-7.40(m,5H);MS(EI)m/z(相对强度):250(M,37),232(78),217(40),202(20),
13
159(76),146(100),118(45),115(22);C NMR(75MHz,CDCl3):δ19.46,19.64,47.57,
71.21,127.23,127.81,128.01,128.26,128.53,128.57,129.23,130.17,133.43,136.29,-1
136.40,138.36;IR(KBr,neat:3527,2933,1598,1492,1452,1064,887cm ;HRMS for C18H18O:Calc.250.1358;Found.250.1352.3ca:white solid,68mg,90 % yield,ee值 由手性HPLC测定。(OD柱流速,1.0mL/min,n-hexane/i-PrOH=90/10,λ=254nm,tR=
1
8.5min,10.4min,ee:83 %);HNMR(300MHz,CDCl3):δ3.83(t,J= 5.4Hz,1H),4.97(t,J=7.5Hz,1H),6.20(dd,J=4.5Hz,9.9Hz,1H),6.59(dd,J=9.6Hz,1H),7.24-7.38(m,+
3H),7.42(s,1H),7.58(s,1H);MS(EI)m/z(相对强 度):380(M,63),291(49),289(100),
287(53),278(52),276(97),274(49),91(66).
H NMR(300MHz,CDCl3):δ3.80-3.82(m,1H),3.82(d,J=3.3Hz,6H),5.09(t,J=3.9Hz,
1H),6.15(dt,J=2.1Hz,9.9Hz,1H),6.82(d,J=3.3Hz,2H),7.10(dd,J=3.3Hz,9.9Hz,+
1H),7.30-7.36(m,1H),7.38-7.48(m,4H);MS(EI)m/z(相对强度):282(M,57),191(100),
13
178(87),176(35),163(27),121(28),120(19),91(26);C NMR(75MHz,CDCl3):δ47.22,
56.12,56.20,64.29,110.84,111.39,122.05,122.47,124.20,127.00,128.55,128.88,
129.07,140.37,149.61,150.68;IR(KBr,neat):2939,2836,1710,1484,1260,1092,-1
757cm ;HRMS for C18H18O3:Calc.282.1256;Found.282.1253.
1
HNMR(300MHz,CDCl3):δ1.61(s,OH,1H),3.74-3.75(m,1H),3.81(s,3H),3.82(s,6H),
5.03(d,J=4.2Hz,1H),6.11(dt,J=2.1Hz,9.9Hz,1H),6.81(d,J=9.0Hz,2H),6.92(d,J=6.6Hz,2H),7.06(dd,J=2.1Hz,9.9Hz,1H),7.35(d,J=6.6Hz,2H),MS(EI)m/z(相对+
强度):312(M,28),294(84),279(100),264(59),191(80),178(57),176(26),121(39).[0065] 3dc:white power,39mg,71%yield,ee值由手性HPLC测定。(OD柱 流速,
1.0mL/min,n-hexane/i-PrOH=90/10,λ=254nm,tR=16.1min,24.3min,ee:70%);
1
M.p.94-95℃.H NMR(300MHz,CDCl3):δ1.64(s,OH,1H),3.81-3.83(m,7H),5.10(m,1H),
6.07(d,J=9.9Hz,1H),6.791(t,J=1.6Hz,2H),7.09(dd,J=2.4Hz,9.6Hz,1H),7.53(d,+
J=7.8Hz,2H),7.63(d,J=8.1Hz,2H);MS(EI)m/z(相对强度):350(M,43),332(79),
13
318(20),317(100),274(27),246(21),191(43),178(41). C NMR(75MHz,CDCl3):δ47.09,
56.06,56.15,64.23,111.01,111.45,122.08,122.43,124.11,125.23,125.28,127.81,
19 1
129.30,129.53,144.86,149.63,150.46;F{ H}NMR δ-62.77;IR(KBr,neat):3429,-1
3001,2961,2939,2838,1618,1598,1486,1326,1260,811,796cm ;HRMS for C19H17O3F3:
Calc.350.1130;Found.350.1133.
1
HNMR(300MHz,CDCl3):δ1.87-1.89(d,J = 9.0Hz,1H),3.29-3.36(m,1H),4.91(dd,J =