TW202229224A - 二烯之雙烷氧基羰基化 - Google Patents
二烯之雙烷氧基羰基化 Download PDFInfo
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- palladium
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- alcohol
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- 150000001993 dienes Chemical class 0.000 title claims abstract description 12
- 238000007083 alkoxycarbonylation reaction Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 66
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 17
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 12
- 239000003446 ligand Substances 0.000 claims description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- VQKFNUFAXTZWDK-UHFFFAOYSA-N 2-Methylfuran Chemical compound CC1=CC=CO1 VQKFNUFAXTZWDK-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 4
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 claims description 4
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 4
- 150000005690 diesters Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- UKSZBOKPHAQOMP-SVLSSHOZSA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 UKSZBOKPHAQOMP-SVLSSHOZSA-N 0.000 claims description 2
- SDRZFSPCVYEJTP-UHFFFAOYSA-N 1-ethenylcyclohexene Chemical compound C=CC1=CCCCC1 SDRZFSPCVYEJTP-UHFFFAOYSA-N 0.000 claims description 2
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 239000007848 Bronsted acid Substances 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- RBYGDVHOECIAFC-UHFFFAOYSA-L acetonitrile;palladium(2+);dichloride Chemical compound [Cl-].[Cl-].[Pd+2].CC#N.CC#N RBYGDVHOECIAFC-UHFFFAOYSA-L 0.000 claims description 2
- 230000001476 alcoholic effect Effects 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 claims description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- PBDBXAQKXCXZCJ-UHFFFAOYSA-L palladium(2+);2,2,2-trifluoroacetate Chemical compound [Pd+2].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F PBDBXAQKXCXZCJ-UHFFFAOYSA-L 0.000 claims description 2
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 claims description 2
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 claims description 2
- HNNUTDROYPGBMR-UHFFFAOYSA-L palladium(ii) iodide Chemical compound [Pd+2].[I-].[I-] HNNUTDROYPGBMR-UHFFFAOYSA-L 0.000 claims description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- -1 (1,5-dichloro) Cyclooctadiene Chemical compound 0.000 claims 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims 1
- YGSFNCRAZOCNDJ-UHFFFAOYSA-N propan-2-one Chemical compound CC(C)=O.CC(C)=O YGSFNCRAZOCNDJ-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- JKDRQYIYVJVOPF-FDGPNNRMSA-L palladium(ii) acetylacetonate Chemical compound [Pd+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O JKDRQYIYVJVOPF-FDGPNNRMSA-L 0.000 description 2
- AQIXEPGDORPWBJ-UHFFFAOYSA-N pentan-3-ol Chemical compound CCC(O)CC AQIXEPGDORPWBJ-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- VYXHVRARDIDEHS-UHFFFAOYSA-N 1,5-cyclooctadiene Chemical compound C1CC=CCCC=C1 VYXHVRARDIDEHS-UHFFFAOYSA-N 0.000 description 1
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical class PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
- C07C67/38—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates by addition to an unsaturated carbon-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/5765—Six-membered rings condensed with carbocyclic rings or carbocyclic ring systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
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- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/58—Pyridine rings
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Abstract
一種用於二烯之雙烷氧基羰基化之製程。
Description
本發明關於二烯之雙烷氧基羰基化之製程。
本發明之技術目的係提供新穎製程,其與上述現有技術相比,該製程在二烯之雙烷氧基羰基化中提供增加之產率。
該目的藉由根據請求項1之製程實現。
一種製程,其包含以下製程步驟:
a) 初始進料二烯;
b) 添加式(
I)之配體:
其中
R
1、R
2、R
3、R
4係選自:(C
5-C
20)-雜芳基(heteroaryl radical)、(C
1-C
12)-烷基;
c) 添加含Pd化合物;
d) 添加醇,
其中基於莫耳比,醇係以二烯之至少兩倍之量添加;
e) 添加非醇的有機溶劑,
其中基於該醇與該溶劑之體積總和,該溶劑之體積比例係在50體積%至99.9體積%之範圍內;
f) 饋入CO;
g) 將來自步驟a)至f)的反應混合物加熱,其中該二烯轉化成二酯。
可在此處以任何順序添加物質。然而,一般而言,CO係在步驟a)至e)中共反應物之初始進料之後添加。此外,CO亦可以二或更多個步驟饋入,例如以這樣的方式,首先饋入一部分的CO,然後加熱混合物,然後饋入另一部分的CO。
表述(C
1-C
12)-烷基涵蓋具有1至12個碳原子之直鏈及支鏈烷基。這些較佳地係(C
1-C
8)-烷基、更佳地(C
1-C
6)-烷基、尤佳地(C
1-C
4)-烷基。
表述(C
5-C
20)-雜芳基涵蓋具有5至20個碳原子之單環或多環芳族烴基,其中碳原子中之一或多個被雜原子置換。較佳的雜原子係N、O、及S。(C
5-C
20)-雜芳基具有5至20個,較佳地5或6個環原子。因此,例如,在本發明之上下文中,吡啶基係C
6-雜芳基而呋喃基係C
5-雜芳基。
在製程之一個變體中,R
1、R
2、R
3、R
4基中之至少二者係(C
1-C
12)-烷基。
在製程之一個變體中,R
1、R
2、R
3、R
4基中之至少二者係
tBu。
在製程之一個變體中,R
1、R
2、R
3、R
4基中之至少三者係(C
1-C
12)-烷基。
在製程之一個變體中,R
1、R
2、R
3、R
4基中之至少三者係
tBu。
在製程之一個變體中,(C
3-C
20)-雜芳基係2-吡啶基。
在製程之一個變體中,在製程步驟b)中之配體具有式(
1):
。
在製程之一個變體中,在製程步驟c)中之含Pd化合物係選自:三氟乙酸鈀(II)、二氯化鈀 、乙醯丙酮鈀(II)、乙酸鈀(II)、二氯(1,5-環辛二烯)鈀(II)、雙(二亞苄基丙酮)鈀、雙(乙腈)二氯鈀(II)、(桂皮基)二氯化鈀、碘化鈀、二碘化鈀。
較佳地,含Pd化合物係Pd(TFA)
2、Pd(dba)
2、Pd(acac)
2、或Pd(OAc)
2。特別合適的係Pd(TFA)
2及Pd(acac)
2。
Pd對配體之莫耳比較佳地係在1:1至1:10、較佳地1:1至1:6、更佳地1:1至1:4之範圍內。
在製程之一個變體中,在製程步驟d)中之醇係選自: 甲醇、乙醇、1-丙醇、1-丁醇、1-戊醇、1-己醇、2-丙醇、三級丁醇、3-戊醇。
在製程之一個變體中,在製程步驟d)中之醇係甲醇。
在製程之一個變體中,在製程步驟e)中之溶劑係選自:甲苯、二甲苯、苯甲醚、氯苯、THF、甲基呋喃、碳酸丙烯酯、環己烷、烷烴、酯、醚。
在製程之一個變體中,在製程步驟e)中之溶劑係甲苯。
在製程之一個變體中,基於醇與溶劑之體積總和,溶劑之體積比例係在60體積%至99.9體積%之範圍內。
在製程之一個變體中,基於醇與溶劑之體積總和,溶劑之體積比例係在60體積%至99體積%之範圍內。
在製程之一個變體中,基於醇與溶劑之體積總和,溶劑之體積比例係在70體積%至99體積%之範圍內。
在製程之一個變體中,基於醇與溶劑之體積總和,溶劑之體積比例係在70體積%至95體積%之範圍內。
在製程之一個變體中,在製程步驟a)中之二烯係選自:1,3-丁二烯、1,2-丁二烯、乙烯基環己烯。
在製程之一個變體中,製程包含額外製程步驟h):
h)添加布氏酸(Brønsted acid)。
在製程之一個變體中,在製程步驟h)中之布氏酸係對甲苯磺酸。
CO在製程步驟f)中較佳地係以在0.1至10 MPa(1至100巴)、較佳地1至5 MPa(10至50巴)、更佳地3至5 MPa(30至50巴)之範圍內的CO分壓(CO partial pressure)饋入。
在製程之一個變體中,在根據本發明之製程的製程步驟g)中將反應混合物加熱至在30℃至150℃、較佳地40℃至140℃、更佳地60℃至130℃之溫度範圍內,以將乙烯系不飽和化合物轉化成二酯。
在下文中將藉由工作實施例來詳細說明本發明。
實驗程序 一般來說,在所有催化劑實驗中皆使用過量的配體,以確保在低金屬濃度下活性錯合物之穩定性。所有實驗使用1,3-丁二烯作為氣體。將丁二烯在低溫下冷凝到特殊金屬管(此金屬管可連接至相應的高壓釜)中並精確稱取相應質量的丁二烯,以確定添加至高壓釜中的量。使用100 ml的高壓釜。首先,將高壓釜排空,然後填充氬氣(此製程重複3次)。然後在氬氣氣氛下將固體添加至高壓釜中。使用四當量的甲醇(基於丁二烯之量)及甲苯。在一系列實驗中,甲醇與甲苯之體積比例會有所不同。將反應在特定溫度下攪拌24小時。然後將高壓釜冷卻至室溫並小心釋放壓力。將1,3,5-三甲苯(mesitylene) (0.5 mmol)添加至反應中作為內部標準品。藉由氣相層析法分析混合物之樣本。藉由在矽膠上之管柱層析法(洗提液:戊烷/乙酸乙酯=40)來獲得純產物。
反應條件
醇:MeOH(4當量,基於烯烴)
溶劑:甲苯
壓力(CO):40巴
溫度:120℃
反應時間:24 h
配體:(
1)
Pd:配體= 2 mol%:4 mol%(基於烯烴)
實驗結果 醇及溶劑之體積比例係基於醇及溶劑之體積總和(=100體積%)。
Claims (15)
- 如請求項1之製程, 其中R 1、R 2、R 3、R 4基中之至少二者係(C 1-C 12)-烷基。
- 如請求項1或2中任一項之製程, 其中R 1、R 2、R 3、R 4基中之至少二者係 tBu。
- 如請求項1或2中任一項之製程, 其中R 1、R 2、R 3、R 4基中之至少三者係(C 1-C 12)-烷基。
- 如請求項1至4中任一項之製程, 其中R 1、R 2、R 3、R 4基中之至少三者係 tBu。
- 如請求項1至5中任一項之製程, 其中該(C 3-C 20)-雜芳基係2-吡啶基。
- 如請求項1至7中任一項之製程, 其中在製程步驟c)中之該含Pd化合物係選自:三氟乙酸鈀(II)、二氯化鈀、乙醯丙酮鈀(II)、乙酸鈀(II)、二氯(1,5-環辛二烯)鈀(II)、雙(二亞苄基丙酮)鈀、雙(乙腈)二氯鈀(II)、(桂皮基)二氯化鈀、碘化鈀、二碘化鈀。
- 如請求項1至8中任一項之製程, 其中在製程步驟d)中之該醇係選自:甲醇、乙醇、1-丙醇、1-丁醇、1-戊醇、1-己醇、2-丙醇、三級丁醇、3-戊醇。
- 如請求項1至9中任一項之製程, 其中在製程步驟d)中之該醇係甲醇。
- 如請求項1至10中任一項之製程, 其中在製程步驟e)中之該溶劑係選自:甲苯、二甲苯、苯甲醚、氯苯、THF、甲基呋喃、碳酸丙烯酯、環己烷、烷烴、酯、醚。
- 如請求項1至11中任一項之製程, 其中在製程步驟e)中之該溶劑係甲苯。
- 如請求項1至12中任一項之製程, 其中基於該醇與該溶劑之該體積總和,該溶劑之該體積比例係在60體積%至99.9體積%之範圍內。
- 如請求項1至13中任一項之製程, 其中在製程步驟a)中之該二烯係選自:1,3-丁二烯、1,2-丁二烯、乙烯基環己烯。
- 如請求項1至14中任一項之製程, 其中該製程包含額外製程步驟h): h)添加布氏酸(Brønsted acid)。
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