TW202302618A - 醇的雙亞磷酸酯配位基 - Google Patents

醇的雙亞磷酸酯配位基 Download PDF

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TW202302618A
TW202302618A TW111109370A TW111109370A TW202302618A TW 202302618 A TW202302618 A TW 202302618A TW 111109370 A TW111109370 A TW 111109370A TW 111109370 A TW111109370 A TW 111109370A TW 202302618 A TW202302618 A TW 202302618A
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butene
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安娜 塞爾
羅柏特 法蘭克
亞歷山大 布萊契
德克 佛瑞達格
安娜 馬克維
彼得 庫米伊克
強尼斯 諾薩拉
戴特雷夫 瑟倫特
亞敏 柏納
柯斯丁 羅美克
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德商贏創運營有限公司
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Abstract

基於苯

Description

基於苯醇的雙亞磷酸酯配位基
本發明有關基於苯
Figure 111109370-A0304-1
醇的雙亞磷酸酯配位基及其於氫甲醯化反應中的用途。
WO 2008/071508 A1描述了一種使用雙亞磷酸酯配位基進行氫甲醯化反應的方法。尤其描述了配位基(D-1)的用途。
Figure 02_image001
本發明解決的技術問題是提供與先前技術已知的化合物相比,在烯烴的氫甲醯化反應中提供(deliver)增加的產量的新穎化合物的問題。
如請求項1之化合物解決了此問題。
一種式(I)之化合物:
Figure 02_image003
其中 R 1、R 2、R 3、R 4、R 5、R 6、R 7、R 8係各自獨立地選自:-H、-(C 1-C 12)-烷基、-O-(C 1-C 12)-烷基。
表述-(C 1-C 12)-烷基和-O-(C 1-C 12)-烷基涵蓋具有1至12個碳原子的直鏈和支鏈烷基。此等較佳為-(C 1-C 8)-烷基或-O-(C 1-C 8)-烷基,特佳為-(C 1-C 4)-烷基或-O-(C 1-C 4)-烷基。
在一個具體例中,R 5和R 8為-(C 1-C 12)-烷基。
在一個具體例中,R 5和R 8為- tert Bu。
在一個具體例中,R 6、R 7係選自:-(C 1-C 12)-烷基、-O-(C 1-C 12)-烷基。
在一個具體例中,R 6和R 7為-OCH 3或- tert Bu。
在一個具體例中,R 1、R 2、R 3、R 4係選自-H、-(C 1-C 12)-烷基。
在一個具體例中,R 1、R 2、R 3、R 4為-H或  - tert Bu。
在一個具體例中,化合物具有結構( 1)至( 6)中之一者:
Figure 02_image005
除了化合物本身以外,還請求保護其中使用該化合物的方法。
一種方法,其包含下列方法步驟: a) 最初加入(charging)烯系不飽和化合物; b) 添加上述化合物以及包含Rh的物質; c) 饋入H 2和 CO, d) 加熱來自a)至c)的反應混合物,其中該烯系不飽和化合物轉化成醛。
在此方法中,方法步驟a)、b)及c)可以任何所欲順序實行。然而,通常是共反應物已在步驟a)和b)中最初加入之後才添加CO。此外,CO亦可在二或更多個步驟中饋入,例如先饋入一部分CO,接著加熱混合物,及接著饋入另一部分CO的方式。
在根據本發明的方法中,用作反應物的烯系不飽和化合物含有一或多個碳-碳雙鍵。為了簡化起見,此等化合物在後文中也稱為烯烴。雙鍵可為末端的或內部的。
在方法的一個變體中,烯系不飽和化合物不包含碳-碳雙鍵之外的任何其他官能基。
在方法的一個變體中,烯系不飽和化合物係選自:乙烯、丙烯、1-丁烯、順式-及/或反式-2-丁烯、異丁烯、1,3-丁二烯、1-戊烯、順式-及/或反式-2-戊烯、2-甲基-1-丁烯、3-甲基-1-丁烯、2-甲基-2-丁烯、己烯、四甲基乙烯、庚烯、1-辛烯、2-辛烯、二-正丁烯、或其混合物。
在方法的一個變體中,包含Rh的物質係選自:Rh(acac)(CO) 2、[(acac)Rh(COD)](Umicore,acac = 乙醯丙酮酸根陰離子(acetylacetonate anion);COD = 1,5-環辛二烯)、Rh 4CO 12
在方法的一個變體中,在方法步驟c)中,在1至6 Mpa (10至60 bar)的範圍內的壓力下饋入CO。
在方法的一個變體中,在方法步驟d)中,加熱反應混合物至80℃至160℃的範圍內的溫度。
下文中參考實施例以更詳細地闡明本發明。 2-((3,3’-二-三級丁基-5,5’-二甲氧基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1,3,2]二氧雜磷雜環戊二烯(dioxaphosphole)( 1)的合成:
Figure 02_image007
於室溫下,在2-((3,3’-二-三級丁基-2’-((二氯膦基)氧基)-5,5’-二甲氧基-[1,1’-聯苯]-2-基)氧基)-4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷(0.639 g;0.7483 mmol)於6 ml的甲苯的溶液中滴加兒茶酚(0.0824 g;0.7483 mmol)和三乙胺(0.42 ml)於3 ml 的甲苯的混合物。將混合物攪拌過夜並過濾,並且將濾液於減壓下濃縮至乾。將所獲得的固體在60℃/0.1 mbar下乾燥2 h,溶解(taken up)於6.5 ml的熱乙腈中。將冷卻後所形成的固體濾除,用少量冷乙腈洗滌,以及於減壓下乾燥。產量:0.426 g (0.5537 mmol,74%)。 元素分析(C 54H 52O 8P 2的計算值= 890.945 g/mol): C = 72.79 (72.80);H = 5.93 (5.88);P = 6.98 (6.95). ESI-TOF HRMS: m/ z= 891.3212;[M ++H], 計算值 m/ z= 891.3215. 31P NMR (CD 2Cl 2): d 136.0 (d, J PP= 55 Hz);146.9 (d, J PP= 55 Hz). 1H NMR (CD 2Cl 2): d 1.29 (s, 9H);1.35 (s, 9H);3.74 (s, 3H);3.80 (s, 3H);6.75 (m, 1H);6.82 (m, 1 H);6.95-7.16 (m, 22H);7.32 (m, 4H) ppm. 5-(三級丁基)-2-((3,3’-二-三級丁基-5,5’-二甲氧基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1, 3,2]二氧雜磷雜環戊二烯( 2)的合成:
Figure 02_image009
於室溫下,在2-((3,3’-二-三級丁基-2’-((二氯膦基)氧基)-5,5’-二甲氧基-[1,1’-聯苯]-2-基)氧基)-4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷(0.4384 g;0.5135 mmol)於4 ml的甲苯的溶液中滴加4-三級丁基兒茶酚(0.0853 g;0.5135 mmol)和三乙胺(0.29 ml)於2 ml的甲苯的混合物。將混合物攪拌過夜並過濾,並且將濾液於減壓下濃縮至乾。將所獲得的固體在60℃/0.1 mbar下乾燥2 h,然後溶解於4.3 ml的熱乙腈中。將冷卻後所形成的固體濾除,用少量冷乙腈洗滌,以及於減壓下乾燥。產量:0.201 g (0.261 mmol,51%)。 元素分析(C 58H 60O 8P 2的計算值= 947.052 g/mol): C = 73.51 (73.56);H = 6.63 (6.39);P = 6.81 (6.54). ESI-TOF HRMS: m/ z= 696.3655;[M ++Na], 計算值 m/ z= 696.3660. 31P NMR (CD 2Cl 2): d 135.7 (d, J PP= 44 Hz);136.0 (d, J PP= 55 Hz);145.0 (d, J PP= 55 Hz);145.1 (d, J PP= 44 Hz) ppm. 1H NMR (CD 2Cl 2): d 1.29+1.31 (2s, 9H);1.33+1.34 (2s, 9H);1.35 (s;4.5H);1.38 (s, 4.5H);3.73 (s, 1.5H);3.74 (s, 1.5H);3.77 (s, 1.5H);3.80 (s, 1.5H);6.73 (m, 1H);6.82 (m, 1H);6.90-7.13 (m, 21H);7.27-7.37 (m, 4H) ppm. 4,6-二-三級丁基-2-((3,3’-二-三級丁基-5,5’-二甲氧基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1,3,2]二氧雜磷雜環戊二烯( 3)的合成:
Figure 02_image011
於-20℃下,在L1於4 ml的THF的溶液中滴加n-BuLi的溶液。將混合物再攪拌20 min,然後使其加溫至室溫,以及滴加溶解於1.8 ml的THF中的苯
Figure 111109370-A0304-1
醇氯磷酸酯(benzopinacol phosphorochloridite)。將反應混合物攪拌過夜。隨後添加三乙胺A,然後在冷卻至0℃的反應混合物中滴加三氯化磷於1.5 ml的THF的溶液。使混合物加溫至室溫並攪拌6 h。
於減壓下,除去從混合物中的揮發性組分,並且將殘餘物於60℃和0.1至0.5 mbar下乾燥2 h。將所獲得的固體溶解於8 ml的甲苯中。於室溫下,在所產生的懸浮液中滴加由3,5-二-三級丁基兒茶酚、三乙胺B以及3 ml的甲苯所組成的混合物。將混合物攪拌過夜,過濾(G4),於減壓下除去溶劑,以及將固體於60℃和0.1至0.5 mbar下乾燥。粗產量:1.03 g (95%)。
將粗產物溶解於11 ml的沸騰乙腈中。首先使混合物緩慢冷卻至室溫,然後於-30℃下儲存過夜。在冷卻至-30℃的情況下,藉由使用浸沒的玻璃料虹吸移除上清母液而單離出所沉積的固體,然後於60℃和減壓下乾燥5 h。產量:0.786 g (72%)。 元素分析(C 62H 68O 8P 2的計算值=1003.16 g/mol): C = 74.24 (74.23);H = 6.85 (6.83);P = 6.07 (6.18). ESI-TOF HRMS: m/ z= 1025.4309;[M ++H], 計算值 m/ z= 1025.4287. 31P NMR (CD 2Cl 2): d 134.1 (s, br);134.5 (d, J PP= 77.3 Hz);144.6 (d, J PP= 77.3 Hz);145.2 (d, J PP= 24.7 Hz),2種非鏡像異構物的混合物。 1H NMR (CD 2Cl 2): d 1.22 (s);1.27 (s);1.33 (s);1.34 (s);1.36 (s);1.44 (s);1.46 (s);1.47 (s) ppm;S = 36H. 3.68 (s);3.69 (s);3.77 (s);3.87 (s) ppm;S = 12H. 6.59-7.43 ppm (m, 26H). 2-((3,3’,5,5’-四-三級丁基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1,3,2]二氧雜磷雜環戊二烯( 4)的合成:
Figure 02_image013
於室溫下,在4,4,5,5-四苯基-2-((3,3’,5,5’-四-三級丁基-2’-((二氯膦基)氧基)-[1,1’-聯苯]-2-基)氧基)-1,3,2-二氧雜磷雜環戊烷(0.7936 g;0.8760 mmol)於5 ml的甲苯的溶液中滴加兒茶酚(0.0964 g;0.8760 mmol)和三乙胺(0.49 ml)於3 ml的甲苯的混合物。將混合物攪拌過夜並過濾,並且將濾液於減壓下濃縮至乾。將所獲得的固體在60℃/0.1 mbar下乾燥2 h,然後攪拌入7 ml的乙腈1 h。將剩餘的固體濾除,用少量冷乙腈洗滌,以及於減壓下乾燥。產量:0.6197 g (0.657 mmol,75%)。 元素分析(C 60H 64O 6P 2的計算值= 943.1076 g/mol): C = 76.48 (76.41);H = 6.84 (6.84);P = 6.57 (6.57). ESI-TOF HRMS: m/ z= 965.4076;[M ++Na], 計算值 m/ z= 965.4070. 31P NMR (CD 2Cl 2): d 134.4 (d, J PP= 13 Hz);145.6 (d, J PP= 13 Hz) ppm. 1H NMR (CD 2Cl 2): d 1.25 (s, 9H);1.38 (s, 9H);1.46 (s, 9H);1.48 (s, 9H);6.64 (m, 2H);6.85 (m, 1H);6.99-7.13 (m, 19H);7.33-7.38 (m, 3H);7.44 (m, 1H), 7.67 (m, 2H) ppm. 5-(三級丁基)-2-((3,3’-二-三級丁基-5,5’-二甲氧基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1,3,2]二氧雜磷雜環戊二烯( 5)的合成:
Figure 02_image015
於室溫下,在4,4,5,5-四苯基-2-((3,3’,5,5’-四-三級丁基-2’-((二氯膦基)氧基)-[1,1’-聯苯]-2-基)氧基)-1,3,2-二氧雜磷雜環戊烷(0.618 g;0.682 mmol)於5 ml的甲苯的溶液中滴加4-三級丁基兒茶酚(0.1133 g;0.6818 mmol)和三乙胺(0.38 ml)於3 ml的甲苯的混合物。將混合物攪拌過夜並過濾,並且將濾液於減壓下濃縮至乾。將所獲得的固體在60℃/0.1 mbar下乾燥2 h,並且溶解於6 ml的熱乙腈中。將溶液在冷凍器中儲存後所形成的固體濾除,用少量冷乙腈洗滌,以及於減壓下乾燥。產量:0.416 g (0.477 mmol, 70%)。 元素分析(C 64H 72O 6P 2的計算值 = 999.215 g/mol): C = 76.75 (76.93);H = 7.20 (7.26);P = 6.15 (6.20). ESI-TOF HRMS: m/ z= 1021.4708;[M ++Na], 計算值 m/ z= 1021.4696. 31P NMR (CD 2Cl 2): d 136.2 (d, J PP= 10 Hz);136.3 (d, J PP= 10 Hz);145.7 (d, J PP= 10 Hz);145.8 (d, J PP= 10 Hz) ppm。2種非鏡像異構物。 1H NMR (CD 2Cl 2): d 1.24+1.25 (2s, 9H);1.35+1.37+ 1.38 (3s, 18H);1.45+1.48+1.49 (3s, 18H);6.53 (m, 2H);6.79 (m, 1H);6.96-7.18 (m, 18H);7.31-7.46 (m, 4H);7.64 (t; J HH= 2.3 Hz;1H), 7.67(d; J HH= 2.5 Hz;1H) ppm. 4,6-二-三級丁基-2-((3,3’,5,5’-四-三級丁基-2’-((4,4,5,5-四苯基-1,3,2-二氧雜磷雜環戊烷-2-基)氧基)-[1,1’-聯苯]-2-基)氧基)苯并[d][1,3,2]二氧雜磷雜環戊二烯( 6)的合成:
Figure 02_image017
於室溫下,在4,4,5,5-四苯基-2-((3,3’,5,5’-四-三級丁基-2’-((二氯膦基)氧基)-[1,1’-聯苯]-2-基)氧基)-1,3,2-二氧雜磷雜環戊烷(0.6529 g;0.7207 mmol)於5 ml的甲苯的溶液中滴加3,5-二-三級丁基兒茶酚(0.1602 g;0.7207 mmol)和三乙胺(0.40 ml)於3 ml的甲苯的混合物。將混合物攪拌過夜並過濾,並且將濾液於減壓下濃縮至乾。將所獲得的固體在60℃/0.1 mbar下乾燥2 h,然後攪拌入7 ml的乙腈1.5 h,以及在過濾後於減壓下乾燥。產量:0.5345 g (0.5064 mmol,70%)。 元素分析(C 68H 80O 6P 2的計算值= 1055.322 g/mol): C = 77.49 (77.39);H = 7.57 (7.64);P = 5.90 (5.87). ESI-TOF HRMS: m/ z= 1077.5305;[M ++Na], 計算值 m/ z= 1077.5322. 31P NMR (CD 2Cl 2): d 132.5 (d, J PP= 20 Hz);134.4 (s, br);144.3 (d, J PP= 20 Hz);145.3 (d, J PP= 11 Hz) ppm。2種非鏡像異構物。 1H NMR (CD 2Cl 2): d 1.19 (s;4.5H);1.24 (s;4.5H);1.31 (s;4.5H);1.33 (s;4.5H);1.34 (s;4.5H);1.37 (s;4.5H);1.41 (s;4.5H);1.44 (s;4.5H);1.45 (s, 9H);1.47 (s;4.5H);1.49 (s, 4.5H);6.42 (m, 1H);6.73 (m;0.5H);6.85 (dd, J HH= 20.3 Hz; J HH= 1.99 Hz;1H);6.96-7.16 (m, 16H);7.23-7.30 (m;1.5H);7.31-7.43 (m, 4H);7.60 (dd, J HH= 12.5 Hz; J HH= 2.4 Hz;1H), 7.66 (dd, J HH= 8.5 Hz; J HH= 2.5 Hz;1H) ppm. 催化實驗
氫甲醯化反應係在來自Premex Reactor AG,Lengau,Switzerland的200 ml高壓釜中進行,該高壓釜配備有移液器保壓閥、氣體流量計、噴氣攪拌器(sparging stirrer)以及壓力。為了使水分和氧氣的影響最小化,用作溶劑的甲苯在Pure Solv. MD-7系統中純化,並且在氬氣下儲存。將作為作用物的烯烴順式/反式-2-戊烯(Aldrich)與鈉在回流下加熱,並且在氬氣下蒸餾。於氬氣氛圍下,將催化劑前體的甲苯溶液和配位基的甲苯溶液於高壓釜中混合。將[(acac)Rh(COD)](Umicore,acac = 乙醯丙酮酸根陰離子;COD = 1,5-環辛二烯)用作催化劑前體。將高壓釜加熱,同時在12 bar (1500 rpm)(最終壓力為20 bar)下攪拌。在達到反應溫度後,利用壓力吸量管中產生的正壓,將烯烴注入高壓釜中。反應在恆定壓力(來自Bronkhorst, the Netherlands的閉環壓力控制器)下進行4 h。在反應時間結束時,將高壓釜冷卻至室溫,在攪拌的同時減壓並用氬氣吹掃。在剛關閉攪拌器時,立即取出1 ml的各反應混合物,將其用10 ml的戊烷稀釋並且以氣相層析術分析:HP 5890 Series II plus,PONA,50 m x 0.2 mm x 0.5 µm。
使用根據本發明的化合物( 1)至( 6)及使用比較性配位基( D-1)進行反應。
Figure 02_image019
反應條件: 烯烴:2-戊烯,溶劑:甲苯,銠的質量比例:100 ppm,p:20 bar,T:120℃,t:4 h,Rh:配位基的比 = 1:2。
結果匯總如下表:
Figure 02_image021
如實驗結果所示,根據本發明的化合物解決了該問題。
Figure 111109370-A0101-11-0002-1

Claims (13)

  1. 一種式(I)之化合物,
    Figure 03_image001
    其中 R 1、R 2、R 3、R 4、R 5、R 6、R 7、R 8係各自獨立地選自:-H、-(C 1-C 12)-烷基、-O-(C 1-C 12)-烷基。
  2. 如請求項1之化合物,其中R 5和R 8為    -(C 1-C 12)-烷基。
  3. 如請求項1和2中任一項之化合物,其中R 5和R 8為- tert Bu。
  4. 如請求項1至3中任一項之化合物,其中R 6、R 7係選自:-(C 1-C 12)-烷基、-O-(C 1-C 12)-烷基。
  5. 如請求項1至4中任一項之化合物,其中R 6和R 7為-OCH 3或- tert Bu。
  6. 如請求項1至5中任一項之化合物,其中R 1、R 2、R 3、R 4係選自-H、-(C 1-C 12)-烷基。
  7. 如請求項1至8中任一項之化合物,其中R 1、R 2、R 3、R 4為-H或- tert Bu。
  8. 如請求項1至7中任一項之化合物,其中該化合物具有結構(1)至(6)中之一者:
    Figure 03_image003
  9. 一種方法,其包含下列方法步驟: a) 最初加入烯系不飽和化合物; b) 添加如請求項1至8中任一項之化合物以及包含Rh的物質; c) 饋入H 2和CO, d) 加熱來自a)至c)的反應混合物,以將該烯烴轉化成醛。
  10. 如請求項9之方法,其中方法步驟a)中的該烯系不飽和化合物係選自:乙烯、丙烯、1-丁烯、順式-及/或反式-2-丁烯、異丁烯、1,3-丁二烯、1-戊烯、順式-及/或反式-2-戊烯、2-甲基-1-丁烯、3-甲基-1-丁烯、2-甲基-2-丁烯、己烯、四甲基乙烯、庚烯、1-辛烯、2-辛烯、二-正丁烯、或其混合物。
  11. 如請求項9和10中任一項之方法,其中,該包含Rh的物質係選自:Rh(acac)(CO) 2、[(acac)Rh(COD)] (Umicore,acac = 乙醯丙酮酸根陰離子;COD = 1,5-環辛二烯)、Rh 4CO 12
  12. 如請求項9至11中任一項之方法,其中在方法步驟c)中,在1至6 Mpa (10至60 bar)的範圍內的壓力下饋入CO。
  13. 如請求項9至12中任一項之方法,其中在方法步驟d)中,加熱該反應混合物至80℃至160℃的範圍內的溫度。
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