WO2021093585A1 - 一种二氰基降冰片烷的制备方法 - Google Patents
一种二氰基降冰片烷的制备方法 Download PDFInfo
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- WO2021093585A1 WO2021093585A1 PCT/CN2020/124225 CN2020124225W WO2021093585A1 WO 2021093585 A1 WO2021093585 A1 WO 2021093585A1 CN 2020124225 W CN2020124225 W CN 2020124225W WO 2021093585 A1 WO2021093585 A1 WO 2021093585A1
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- Prior art keywords
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- dicyanonorbornane
- tetrabutylammonium
- cyanonorbornane
- weigh
- Prior art date
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- NPNGOVIDFDNVBP-UHFFFAOYSA-N bicyclo[2.2.1]heptane-3,4-dicarbonitrile Chemical compound C1CC2(C#N)C(C#N)CC1C2 NPNGOVIDFDNVBP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title abstract description 24
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 claims abstract description 8
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 17
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- OJDABTNGJHBQFD-UHFFFAOYSA-N bicyclo[2.2.1]heptane-4-carbonitrile Chemical compound C1CC2CCC1(C#N)C2 OJDABTNGJHBQFD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- KOKLYLSZOGGBHE-UHFFFAOYSA-N bicyclo[2.2.1]hept-2-ene-4-carbonitrile Chemical compound C1CC2C=CC1(C#N)C2 KOKLYLSZOGGBHE-UHFFFAOYSA-N 0.000 claims description 8
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical compound CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 claims description 8
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 claims description 6
- 238000002390 rotary evaporation Methods 0.000 claims description 6
- GTLDTDOJJJZVBW-UHFFFAOYSA-N zinc cyanide Chemical compound [Zn+2].N#[C-].N#[C-] GTLDTDOJJJZVBW-UHFFFAOYSA-N 0.000 claims description 6
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims description 5
- BMAXQTDMWYDIJX-UHFFFAOYSA-N bicyclo[2.2.1]hept-2-ene-5-carbonitrile Chemical compound C1C2C(C#N)CC1C=C2 BMAXQTDMWYDIJX-UHFFFAOYSA-N 0.000 claims 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 22
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 abstract description 15
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 abstract description 12
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 abstract description 12
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 11
- VFTFKUDGYRBSAL-UHFFFAOYSA-N 15-crown-5 Chemical compound C1COCCOCCOCCOCCO1 VFTFKUDGYRBSAL-UHFFFAOYSA-N 0.000 abstract description 6
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 abstract description 6
- 235000009518 sodium iodide Nutrition 0.000 abstract description 5
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 23
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 125000004093 cyano group Chemical group *C#N 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 229910000039 hydrogen halide Inorganic materials 0.000 description 5
- 239000012433 hydrogen halide Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 3
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 3
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- UXZDIDZICWKGFI-UHFFFAOYSA-N C12C(CC(C=C1)C2)C#N.C(#N)C21C=CC(CC2)C1 Chemical compound C12C(CC(C=C1)C2)C#N.C(#N)C21C=CC(CC2)C1 UXZDIDZICWKGFI-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- CWVZGJORVTZXFW-UHFFFAOYSA-N [benzyl(dimethyl)silyl]methyl carbamate Chemical compound NC(=O)OC[Si](C)(C)CC1=CC=CC=C1 CWVZGJORVTZXFW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- UGGIERTXTWFEES-UHFFFAOYSA-N bicyclo[2.2.1]hept-2-ene-2,3-dicarbonitrile Chemical compound C1CC2C(C#N)=C(C#N)C1C2 UGGIERTXTWFEES-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229940117389 dichlorobenzene Drugs 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229940078552 o-xylene Drugs 0.000 description 2
- 239000000276 potassium ferrocyanide Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- LFAGQMCIGQNPJG-UHFFFAOYSA-N silver cyanide Chemical compound [Ag+].N#[C-] LFAGQMCIGQNPJG-UHFFFAOYSA-N 0.000 description 2
- 229940098221 silver cyanide Drugs 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 2
- LEIMLDGFXIOXMT-UHFFFAOYSA-N trimethylsilyl cyanide Chemical compound C[Si](C)(C)C#N LEIMLDGFXIOXMT-UHFFFAOYSA-N 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- DMSZORWOGDLWGN-UHFFFAOYSA-N ctk1a3526 Chemical compound NP(N)(N)=O DMSZORWOGDLWGN-UHFFFAOYSA-N 0.000 description 1
- 238000007333 cyanation reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/36—Systems containing two condensed rings the rings having more than two atoms in common
- C07C2602/42—Systems containing two condensed rings the rings having more than two atoms in common the bicyclo ring system containing seven carbon atoms
Definitions
- the invention relates to the field of synthesis, in particular to a preparation method of dicyanonorbornane.
- dicyanonorbornene is an important chemical reagent.
- the current method for preparing dicyanonorbornene is obtained by the hydrogen cyanide method of cyanonorbornene or norbornadiene, and its specific preparation is disclosed. The following process:
- Japanese Patent Laid-Open No. 3-95151 and US Patent No. 3328443 provide methods using zero-valent nickel complex catalysts and Lewis acids as catalyst systems.
- the two methods disclosed above require the use of expensive catalysts, and the cyanation reagent used is hydrogen cyanide. Because hydrogen cyanide is highly toxic and its boiling point is low, its explosion limit in the air is 5.6. %-12.8%, it is extremely dangerous.
- the above-mentioned method includes the method of separating the coordination compound including the purification step, which has the problems of low yield and complicated operation.
- the technical problem to be solved by the present invention is to provide a method for preparing dicyanonorbornane.
- the method provided by the present invention has a simple preparation process, and the obtained product has high purity and high yield.
- the present invention provides a method for preparing dicyanonorbornane, which includes:
- the compound of formula (Y) is reacted with a cyanating reagent under catalyst conditions to obtain dicyanonorbornane;
- the catalyst is tetrabutylammonium iodide, tetrabutylammonium fluoride, tetrabutylammonium bromide, tetrabutylammonium chloride, tetrabutylammonium hydroxide, 15-Crown-5 and sodium iodide One or more.
- R 3 and R 4 are independently selected from halogen or cyano.
- said R 3 and R 4 are independently selected from chlorine, bromine, iodine or cyano.
- the cyanide reagent is sodium cyanide, zinc cyanide, silver cyanide, potassium cyanide, calcium cyanide, potassium ferrocyanide (K 4 [Fe(CN) 6 ]), acetone cyanohydrin and One or more of trimethylsilyl cyanide.
- the solvent of the reaction is dimethyl sulfoxide, N,N-dimethylformamide, acetonitrile, ether, methyl acetone, dichlorobenzene, toluene, o-xylene, m-xylene and hexamethyl One or more of phosphotriamide.
- the molar ratio of the compound of the formula (Y) structure to the catalyst is 1: (0.1-1).
- the molar ratio of the compound of formula (Y) to the cyanating reagent is 1: (2-5).
- the mass ratio of the compound of the formula (Y) structure to the solvent is 1: (10-25).
- the temperature of the reaction is 80-180°C.
- the compound of formula (Y) is prepared according to the following method:
- R 1 and R 2 are independently selected from hydrogen or cyano.
- the temperature of the mixed reaction of the compound represented by the formula (X) and the hydrogen halide is 70-120°C.
- the present invention provides a method for preparing dicyanonorbornane by reacting a compound of formula (Y) with a cyanating reagent under catalyst conditions to obtain dicyanonorbornane ;
- the catalyst is tetrabutylammonium iodide, tetrabutylammonium fluoride, tetrabutylammonium bromide, tetrabutylammonium chloride, tetrabutylammonium hydroxide, 15-Crown-5 and iodide One or more of sodium; thus, the method provided by the present invention not only has a simple preparation process, but also obtains a product with high purity and high yield.
- Figure 1 is the hydrogen spectrum of dicyanonorbornane provided in Example 1.
- the present invention provides a method for preparing dicyanonorbornane, which includes:
- the compound of formula (Y) is reacted with a cyanating reagent under catalyst conditions to obtain dicyanonorbornane;
- the catalyst is tetrabutylammonium iodide, tetrabutylammonium fluoride, tetrabutylammonium bromide, tetrabutylammonium chloride, tetrabutylammonium hydroxide, 15-Crown-5 and sodium iodide One or more.
- R 3 and R 4 are independently selected from halogen or cyano.
- the present invention reacts a compound of formula (Y) with a cyanating reagent under catalyst conditions to obtain dicyanonorbornane;
- the R 3 and R 4 are independently selected from chlorine, bromine, iodine or cyano, more preferably independently selected from chlorine, bromine or cyano;
- the cyaniding reagent is preferably sodium cyanide, zinc cyanide, silver cyanide, potassium cyanide , Calcium cyanide, potassium ferrocyanide (K 4 [Fe(CN) 6 ]), acetone cyanohydrin and trimethylsilyl cyanide, more preferably sodium cyanide, potassium cyanide and cyanide
- the catalyst for the reaction is preferably tetrabutylammonium iodide, tetrabutylammonium fluoride, tetrabutylammonium bromide, tetrabutylammonium chloride, tetrabuty
- the compound of formula (Y) is preferably prepared according to the following method:
- the compound represented by formula (X) and hydrogen halide are mixed and reacted to obtain a compound represented by formula (Y); wherein, the hydrogen halide is preferably hydrogen chloride or hydrogen bromide; the compound represented by formula (X) and The mass ratio of hydrogen chloride is preferably 1:(2 ⁇ 5), more preferably 1:(2 ⁇ 3); the reaction time is 6h-12h, preferably 7-10h; the reaction temperature is 70-120°C , Preferably 70 to 90°C.
- the reaction liquid obtained by the mixed reaction of the compound represented by formula (X) and hydrogen halide is extracted with an organic solvent to obtain a compound represented by formula (Y), wherein the extraction solvent is One or more solvents among ethyl acetate, dichloromethane, petroleum ether and acetonitrile, more preferably dichloromethane or ethyl acetate.
- R 1 and R 2 are independently selected from hydrogen or cyano.
- the method for preparing dicyanonorbornane involves reacting a compound of formula (Y) with a cyanating reagent under a catalyst condition to obtain dicyanonorbornane; wherein, by selecting the catalyst as One or more of tetrabutylammonium iodide, tetrabutylammonium fluoride, tetrabutylammonium bromide, tetrabutylammonium chloride, tetrabutylammonium hydroxide, 15-Crown-5 and sodium iodide; Furthermore, the method provided by the present invention not only has a simple preparation process, but also obtains a product with high purity and high yield.
- Figure 1 is the hydrogen spectrum of the dicyanonorbornane provided in Example 1.
- a nitrogen gas flow rate of 500 ml/min was bubbled into 480.7 g of the obtained crude dicyanonorbornane for 1 hour to degas, and then the insoluble matter was filtered.
- Add 1.9g 40% sulfuric acid to this filtrate heat it at 60°C for 3 hours to perform acid decomposition of the catalyst, then add 5.5g 25% sodium hydroxide, heat it at 40°C for 2 hours, after neutralization, add 449.0g Toluene, extract dicyannorbornane to obtain a toluene solution of dicyannorbornane, and then distill off the toluene to obtain 447.6g 85% of dicyannorbornane.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (3)
- 一种二氰基降冰片烷的制备方法,包括:称取1.1916g氰基降冰片烯于50mL单口烧瓶中,向其中加入3.0g 40%的氢溴酸,然后在80℃的油浴中反应10h,反应完成后用己酸乙酯对体系进行萃取得到1.91g含有-Br的氰基降冰片烷,对以上步骤进行重复后共得到3.81g含有-Br的氰基降冰片烷;所述氰基降冰片烯为双环[2.2.1]-5-庚烯-2-腈;称取上述步骤得到的含有-Br的氰基降冰片烷2.00g于50mL单口烧瓶中,向其中加入1.48g四丁基碘化铵、加入氰化钠1.22g、加入二甲基亚砜24.0g,然后在130℃的油浴中进行反应8h后将体系进行过滤,旋蒸除去溶剂得到1.36g二氰基降冰片烷。
- 一种二氰基降冰片烷的制备方法,包括:称取92.14g降冰片二烯于500mL单口烧瓶中,向其中加入276.42g 35%的盐酸,然后在90℃的油浴中反应9h,反应完成后用己酸乙酯对体系进行萃取得到153.51g含有-Cl的降冰片烷;所述降冰片二烯为2,5-降冰片二烯;对以上步骤进行重复后共得到307.01g含有-Cl的降冰片烷;称取上述步骤得到的含有-Cl的降冰片烷165.06g于5000mL单口烧瓶中,向其中加入52.29g四丁基氟化铵、加入氰化锌140.92g、加入甲苯1650g,然后在140℃的油浴中进行反应8h后将体系进行过滤,旋蒸除去溶剂得到135.96g二氰基降冰片烷。
- 一种二氰基降冰片烷的制备方法,包括:称取119.16g氰基降冰片烯于1000mL单口烧瓶中,向其中加入357.48g 35%的盐酸,然后在80℃的油浴中反应8h,反应完成后用二氯甲烷对体系进行萃取得到146.28g含有-Cl的氰基降冰片烷,对以上步骤进行重复后共得到292.56g含有-Cl的氰基降冰片烷;所述氰基降冰片烯为双环[2.2.1]-5-庚烯-2-腈;称取上述步骤得到的含有-Cl的氰基降冰片烷155.62g于5000mL单口烧瓶中,向其中加入65.36g四丁基氟化铵、加入氰化锌146.78g、加入N,N-二甲基甲酰胺1980.72g,然后在120℃的油浴中进行反应9h后将体系进行过滤,旋蒸除去溶剂得到137.34g二氰基降冰片烷。
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