CN115974795A - Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof - Google Patents

Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof Download PDF

Info

Publication number
CN115974795A
CN115974795A CN202211674319.3A CN202211674319A CN115974795A CN 115974795 A CN115974795 A CN 115974795A CN 202211674319 A CN202211674319 A CN 202211674319A CN 115974795 A CN115974795 A CN 115974795A
Authority
CN
China
Prior art keywords
heterocycle
reaction
pentane
nmr
ethyl acetate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211674319.3A
Other languages
Chinese (zh)
Inventor
李万梅
徐骏
章鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Normal University
Original Assignee
Hangzhou Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Normal University filed Critical Hangzhou Normal University
Priority to CN202211674319.3A priority Critical patent/CN115974795A/en
Publication of CN115974795A publication Critical patent/CN115974795A/en
Pending legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and a synthesis method thereof. Firstly, nitrogen-containing heterocycle, [1.1.1] propeller alkane, perfluoro-iodoalkane and alkali catalyst are added into an organic solvent, and stirred and reacted for 6 to 24 hours at normal temperature under the photocatalysis condition; after the reaction is finished, adding saturated saline solution to quench the reaction, adding an organic solvent ethyl acetate to extract and layer, taking an organic layer, drying, filtering and concentrating to obtain a dark brown liquid crude product, and purifying the crude product by silica gel column chromatography to obtain a target product, namely the disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle. The method disclosed by the invention is mild in reaction condition, green and environment-friendly, simple in experimental operation, good in reaction selectivity and high in product yield.

Description

Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof
Technical Field
The invention belongs to the technical field of chemical industry, in particular to the technical field of synthesis of pharmaceutical and chemical intermediates, and particularly relates to disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and a synthesis method thereof.
Background
The three-dimensional small ring stent is very important in modern drug discovery, can expand chemical space of similar drugs and optimize the waiting timeAnd (4) selecting the medicines. Wherein, bicyclo [1.1.1]Pentanes (BCPs) are rigid, linear, sp-rich 3 The motif of (A) can be used as a biological allelic substituent of an aromatic ring, alkyne and a t-Bu group, and the bioactive molecule introduced into the structure can effectively improve lipid solubility, cell membrane penetrability and drug metabolic stability, so that the motif of (A) is widely applied to the development of new drugs. Furthermore, bicyclic [1.1.1] 1]The pentane unit can realize 180-degree space separation of key pharmacophores, so that the pentane unit can be used as a non-classical bioisostere to replace an aromatic ring.
Figure BDA0004016774980000011
The compounds (V) (VI) (VII) are some biologically active disubstituted BCP derivatives, e.g. the compound (V) is a gamma-secretase inhibitor. These all represent the value of application of BCP structures in the field of drug research. Therefore, there is a great interest in developing a new method for the simple, economical and green synthesis of disubstituted BCP and derivatives thereof. The photocatalytic organic synthesis has the advantages of mild reaction conditions, renewable energy sources, high reaction efficiency and the like.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle.
The method of the invention specifically comprises the following steps:
adding a nitrogen-containing heterocycle, 1.1.1] propellane, perfluoro-iodoalkane and a base catalyst into an organic solvent, and stirring and reacting for 6-24 hours at normal temperature under a photocatalytic condition, wherein the reaction formula is as follows:
Figure BDA0004016774980000021
the molar ratio of the added nitrogen-containing heterocycle, the [1.1.1] propeller alkane and the perfluoro iodoalkane is 1-3.
The structural formula of the nitrogen-containing heterocycle is shown as
Figure BDA0004016774980000022
Wherein R is 1 Is hydrogen, alkyl, benzyl, substituted benzyl, or an ester group; r is 2 Is a substituted or unsubstituted phenyl group;
said [1.1.1]The propellane has the structural formula
Figure BDA0004016774980000023
The structural formula of the perfluoro iodoalkane is I-R f (ii) a Wherein is C 2 F 5i C 3 F 7 、C 4 F 9 、C 6 F 13 、C 8 F 17 Or CF 2 COOEt。
The alkali catalyst is one of potassium phosphate, triethylene diamine, triethylamine, N-diisopropylethylamine, cesium carbonate, tetrabutylammonium iodide and 1, 8-diazabicycloundecen-7-ene, and the molar ratio of the added alkali catalyst to the nitrogen-containing heterocycle is 1-5, preferably 3.
The organic solvent is one of ethyl acetate, dichloromethane, acetonitrile, acetone, 1, 4-dioxane, N-dimethylformamide, dimethyl carbonate and N-methylpyrrolidone, and the mass ratio of the organic solvent to the nitrogen-containing heterocycle is 10-100, preferably 15-50.
The reaction time is preferably 12 to 18 hours.
The wavelength of light used for photocatalysis is 365-455 nm, preferably 400-420 nm.
After the reaction in the step (2) is finished, adding saturated saline solution to quench the reaction, and adding an organic solvent ethyl acetate to extract and stratify; drying the organic layer with anhydrous magnesium sulfate or anhydrous sodium sulfate, filtering, concentrating to obtain a dark brown liquid crude product, and purifying the crude product by silica gel column chromatography to obtain a light yellow solid target product containing perfluoroalkyl and N-heterocyclic disubstituted bicyclo [1.1.1] pentane; the solvent used for silica gel column chromatography is 1:3 ethyl acetate and petroleum ether.
Another object of the present invention is to provide a disubstituted bicyclic ring containing perfluoroalkyl and N-heterocycle synthesized by the above method
[1.1.1]Pentane with the structural formula
Figure BDA0004016774980000031
Wherein R is 1 Is hydrogen, alkyl, benzyl, substituted benzyl, or an ester group; r is 2 Is a substituted or unsubstituted phenyl group; r f Is C 2 F 5i C 3 F 7 、C 4 F 9 、C 6 F 13 、C 8 F 17 Or CF 2 COOEt。
The invention takes nitrogen-containing heterocycle, [1.1.1] propellane and perfluoro-iodoalkane as raw materials, and obtains N heterocycle substituted BCP containing perfluoro-alkane and derivatives thereof with high selectivity and high yield under the condition of photoreaction through base catalysis under mild condition. The prepared disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle is a novel disubstituted BCP structure, can realize 180-degree key pharmacodynamic group space separation, and is a non-classical biological electron isostere of para-disubstituted benzene ring. Meanwhile, the perfluoroalkyl group exists in the molecular structure, so that the molecule has potential high lipid solubility, cell membrane penetrability and drug metabolic stability, and has good research and application values.
Detailed Description
The invention is further described with reference to the following specific examples, but the scope of protection of the invention is not limited thereto: example 1.
Figure BDA0004016774980000032
1-methyl-5, 6-diphenyl-pyrazinone (262mg, 1mmol), [1.1.1]Propylalane (66mg, 1mmol), perfluoroiodobutane (346mg, 1mmol), 1, 8-diazabicycloundec-7-ene (456mg, 3mmol) were added to a reaction flask, dissolved by adding N-methylpyrrolidone (5 g), and the reaction was stirred under illumination at 410nm for 16 hours. After the reaction, adding a saline solution (20 g) to quench the reaction, adding ethyl acetate (20 g), fully stirring, standing for layering, and removing an organic layerAfter drying over magnesium sulfate, filtration and concentration, a dark brown crude product is obtained, which is purified by silica gel column chromatography (ethyl acetate: petroleum ether =1 3) to yield 360mg of a light yellow solid with a yield of 66% and a melting point of 146 ℃. 1 H NMR(400MHz,CDCl 3 )δ7.40(dd,J=4.8,2.3Hz,3H),7.20(dd,J=7.3,2.1Hz,2H),7.13(s,5H),3.30(s,3H),2.55(s,6H); 13 C NMR(101MHz,CDCl 3 )δ155.3,151.6,138.0,137.6,132.7,132.5,130.0,129.6,129.3,129.2,127.8,127.1,51.0,41.8,37.9(t,J=37.8Hz),33.7, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.03–-81.09(m),-115.64–-117.48(m),-121.42–-122.98(m),-125.32–-126.91(m);HRMS(ESI+):Calculated for C 26 H 19 F 9 N2O:[M+H]+
547.1426,Found 547.1427。
Example 2.
Figure BDA0004016774980000041
1-methyl-5, 6-diphenyl-pyrazinone (262mg, 1mmol), [1.1.1] propeller alkane (165 mg,
2.5 mmol), pentafluoroiodoethane (492mg, 3mmol) and potassium phosphate (636mg, 3mmol) were charged into a reaction flask, dissolved in acetonitrile (4.1 g), and the reaction mixture was stirred under 365nm light for 18 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was fully stirred and then allowed to stand for layering, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.40(t,J=5.8Hz,3H),7.19(dd,J=7.5,1.8Hz,2H),7.13(s,5H),3.30(s,3H),2.51(s,6H); 13 C NMR(126MHz,CDCl 3 )δ155.3,151.6,138.0,137.6,132.7,132.5,130.0,129.6,129.3,129.2,127.7,127.1,50.6,41.5,37.0(t,J=30.2Hz),33.7, 13 C NMR for C 2 F 5 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-82.65,-120.86;
HRMS(ESI+):Calculated for C 24 H 19 F 5 N2O:[M+H]+447.149,Found 447.1493。
Example 3.
Figure BDA0004016774980000042
1-methyl-5, 6-diphenyl-pyrazinone (262mg, 1mmol), [1.1.1]Propylalane (132mg, 2mmol), heptafluoro-2-iodopropane (888mg, 3mmol) and 1, 8-diazabicycloundec-7-ene (532mg, 3.5 mmol) were charged into a reaction flask, dissolved in acetonitrile (4.1 g), and reacted under stirring at 410nm for 12 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, and the crude product was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.40(d,J=6.8Hz,3H),7.19(dd,J=7.5,1.8Hz,2H),
7.12(s,5H),3.30(s,3H),2.57(s,6H); 13 C NMR(126MHz,CDCl 3 )δ155.3,151.4,138.0,137.6,132.7,132.5,130.0,130.0,129.3,129.2,127.7,127.1,52.0,41.7,36.5(d,J=26.5Hz),33.7, 13 C NMR for i C 3 F 7 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-74.62(d,J=8.8Hz),-183.26–-183.29(m);HRMS(ESI+):Calculated for C 25 H 19 F 7 N2O:[M+H]+497.1458,Found 497.1456。
Example 4.
Figure BDA0004016774980000051
1-methyl-5, 6-diphenyl-pyrazinone (262mg, 1mmol), [1.1.1] propeller alkyl (99 mg,
1.5 mmol), perfluoroiodohexane (892mg, 2mmol) and 1, 8-diazabicycloundecen-7-ene (380mg, 2.5 mmol) were charged into a reaction flask, dissolved in methylene chloride (4.3 g), and reacted under stirring at 395nm for 24 hours. After the reaction, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(400MHz,CDCl 3 )δ7.41(dt,J=5.6,2.9Hz,3H),7.20(dd,J=7.3,2.1Hz,2H),7.13(s,5H),3.30(s,3H),2.55(s,6H); 13 C NMR(101MHz,CDCl 3 )δ155.3,151.6,138.0,137.6,132.7,132.5,130.0,129.6,129.3,129.2,127.8,127.1,51.0,41.8,38.0(t,J=31.5Hz),33.7, 13 C NMR for C 6 F 13 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.78–-80.83(m),-116.30–-116.37(m),-121.30–-121.36(m),-121.87–-121.93(m),-122.92(s),-126.08–-126.16(m);
HRMS(ESI+):Calculated for C 28 H 19 F 13 N 2 O:[M+H]+647.1363,Found 647.1363。
Example 5.
Figure BDA0004016774980000052
1-methyl-5, 6-diphenyl-pyrazinone (262mg, 1mmol), [1.1.1] propeller-ane (165 mg,
2.5 mmol), perfluorooctyliodoalkane (1092mg, 2mmol), 1, 8-diazabicycloundecen-7-ene (456mg, 3mmol) were charged into a reaction flask, dissolved with dichloromethane (5 g), and reacted under stirring at 410nm for 6 hours. After the reaction is finished, salt is addedThe reaction was quenched with aqueous solution (20 g), ethyl acetate (20 g) was added, stirring well and then left to layer, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to give a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1) to give 463mg of a pale yellow solid, yield 62%, melting point 159 ℃. 1 H NMR(500MHz,CDCl 3 )δ7.40(d,J=6.7Hz,3H),7.20(dd,J=7.5,1.7Hz,2H),
7.13(s,5H),3.30(s,3H),2.55(s,6H); 13 C NMR(126MHz,CDCl 3 )δ155.3,151.6,138.0,137.6,132.7,132.5,130.0,129.6,129.3,129.2,127.7,127.1,51.0,41.8,38.0(t,J=31.5Hz),33.7, 13 C NMR for C 8 F 17 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.74–-80.78(m),-116.29–-116.36(m),-121.24–-121.28(m),-121.64–-121.68(m),-121.89–-121.92(m),-122.68–-122,73(m),-126.07–-126.11(m);HRMS(ESI+):Calculated for C 30 H 19 F 17 N 2 O:[M+H]+747.1299,Found 747.1299。
Example 6.
Figure BDA0004016774980000061
1-methyl-2 (1H) -quinoxalinone (160mg, 1mmol), [1.1.1] properalane (198mg, 3mmol), ethyl difluoroiodoacetate (1250mg, 5mmol), tetrabutyl ammonium iodide (1.1g, 3mmol) were charged into a reaction flask, and N-methylpyrrolidone (2.4 g) was added to dissolve, and the reaction was stirred under illumination at 420nm for 10 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was stirred sufficiently and allowed to stand for separation, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether =1:
3) Purification gave 226mg of a pale yellow liquid in a yield of 65%. 1 H NMR(500MHz,CDCl 3 )δ7.84(d,
J=8.0Hz,1H),7.54(t,J=7.8Hz,1H),7.34(t,J=7.6Hz,1H),7.29(d,J=8.4Hz,1H),4.36(q,J=7.1Hz,2H),3.66(s,3H),2.43(s,6H),1.37(t,J=7.1Hz,3H); 13 C NMR(126MHz,CDCl 3 )δ163.3(t,J=34.0Hz),155.3,154.5,133.4,132.8,130.4,130.2,123.7,113.6,112.2(t,J=250.7Hz),62.8,50.5(t,J=3.8Hz),41.5,
39.2(t,J=31.5Hz),28.6,14.2; 19 F NMR(471MHz,CDCl 3 )δ-111.55;HRMS(ESI+):Calculated for C 18 H 18 F 2 N 2 O 3 :[M+H]+349.1358,Found 349.1359。
Example 7.
Figure BDA0004016774980000071
O-vanillin derivatives (338mg, 1mmol), [1.1.1]Propylalane (132mg, 2mmol), perfluoroiodobutane (1384mg, 4mmol) and cesium carbonate (977mg, 3mmol) were put in a reaction flask, dissolved in N-methylpyrrolidone (5 g), and reacted under stirring at 410nm for 16 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (16.9 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, and the crude product was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1. 1 H NMR(500MHz,CDCl 3 )δ10.46(s,1H),7.87(d,J=7.8Hz,1H),7.56(t,J=7.5Hz,1H),7.48(d,J=8.3Hz,1H),7.45–7.42(m,1H),7.35(t,J=7.5Hz,1H),7.17(d,J=4.4Hz,2H),4.57–4.50(m,2H),4.28(t,J=5.7Hz,2H),3.88(s,3H),2.56(s,6H),2.26(td,J=11.6,5.8Hz,2H); 13 C NMR(126MHz,CDCl 3 )δ189.9,154.7,154.3,152.9,151.2,133.0,132.6,130.7,130.4,129.9,124.4,123.7,119.7,118.0,113.7,72.2,56.0,51.3,42.0,39.6,37.9(t,J=30.2Hz),28.0, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.06(t,J=9.9Hz),-116.57–-116.66(m),-122.11–-122.35(m),-125.48–-126.07(m);HRMS(ESI+):Calculated for C 28 H 23 F 9 N 2 O 4
[M+H]+623.1587,Found 623.1586。
Example 8.
Figure BDA0004016774980000072
Ibuprofen derivatives (378mg, 1mmol) and [1.1.1]Propane (132mg, 2mmol), perfluoroiodobutane (692mg, 2mmol) and N, N-diisopropylethylamine (228mg, 1.5 mmol) were charged into a reaction flask, dissolved by adding acetone (7.56 g), and reacted under stirring at 455nm for 8 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, and the organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1) to obtain 470mg of a pale yellow solid, yield 71%, melting point 80 ℃. 1 H NMR(500MHz,CDCl 3 )δ7.85(dd,J=7.9,0.9Hz,1H),7.51–7.45(m,1H),7.38–7.31(m,2H),7.09(d,J=8.1Hz,2H),7.05(d,J=8.1Hz,2H),4.53–4.47(m,1H),4.46–4.36(m,3H),3.59(q,J=7.1Hz,1H),2.55(s,6H),2.44(d,J=7.2Hz,2H),1.84(dt,J=13.5,6.8Hz,1H),1.42(d,J=7.2Hz,3H),0.90(d,J=6.6Hz,6H); 13 C NMR(126MHz,CDCl 3 )δ174.7,154.6,154.3,140.7,137.2,133.0,132.9,130.5,130.4,129.4,127.1,123.8,113.8,61.0,51.2,45.1,45.0,41.9,40.6,37.9(t,J=30.2Hz),30.2,22.4,18.3, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.08(t,J=9.9Hz),-115.53–-116.68(m),-121.39–-122.89(m),-125.25–-126.08(m);
HRMS(ESI+):Calculated for C 32 H 31 F 9 N2O 3 :[M+H]+663.2264,Found 663.2265。
Example 9.
Figure BDA0004016774980000081
Loxoprofen derivatives (418mg, 1mmol) and [1.1.1]Propylalane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundece-7-ene (456 mg, 3mmol) were charged into a reaction flask, dissolved in acetone (12.54 g), and reacted under stirring at 410nm for 16 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.85(dd,J=7.9,1.1Hz,1H),7.51–7.44(m,1H),7.34(dd,J=15.6,7.8Hz,2H),7.08(q,J=8.3Hz,4H),4.52–4.34(m,4H),3.59(q,J=7.1Hz,1H),3.11(dd,J=13.9,
2.6Hz,1H),2.54(s,6H),2.48(dd,J=11.8,4.8Hz,1H),2.38–2.29(m,2H),2.13–2.05(m,2H),1.96(d,J=6.5Hz,1H),1.78–1.70(m,1H),1.58–1.50(m,1H),1.41(d,J=7.2Hz,3H); 13 C NMR(126MHz,CDCl 3 )δ220.09,174.5,154.6,154.3,139.1,137.8,132.9,132.9,130.5,130.4,129.2,127.4,123.8,113.7,61.0,51.2,50.9,45.0,41.9,40.5,38.1,37.9(t,J=30.2Hz),35.2,29.3,20.5,18.3, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.51–-81.75(m),-115.67–-117.56(m),-121.36–-123.00(m),-125.38–-126.96(m);HRMS(ESI+):Calculated for C 34 H 31 F 9 N2O 4 :[M+H]+703.2213,Found 703.2214。
Example 10.
Figure BDA0004016774980000091
Flurbiprofen derivatives (416mg, 1mmol) [1.1.1]]Propylalane (198mg, 3mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundec-7-ene (760mg, 5mmol) were charged into a reaction flask, dissolved by adding acetone (16.64 g), and reacted under stirring at 410nm for 15 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.84(dd,J=8.0,1.3Hz,1H),7.56–7.52(m,2H),7.47(ddd,J=17.2,11.8,4.6Hz,3H),7.41–
7.29(m,4H),7.07–6.92(m,2H),4.59–4.39(m,4H),3.65(q,J=7.1Hz,1H),2.56(s,6H),1.47(d,J=7.2Hz,3H); 13 C NMR(126MHz,CDCl 3 )δ173.9,159.6(d,J=249.5Hz),154.6,154.3,141.2(d,J=7.6Hz),135.3,132.9(d,J=10.1Hz),130.8(d,J=3.8Hz),130.5,130.4,128.9(d,J=2.5Hz),128.5,128.0,127.9,127.8,123.8,123.4(d,J=3.8Hz),115.2(d,J=23.9Hz),113.7,61.3,51.2,44.9,41.9,40.6,37.9(t,J=30.2Hz),18.2, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.70–-81.49(m),-116.25–-116.93(m),-117.24(s),-121.90–-122.80(m),-125.56–-126.42(m);HRMS(ESI+):Calculated for C 34 H 26 F 10 N 2 O 3 :[M+H]+701.1857,Found 701.1855。
Example 11.
Figure BDA0004016774980000092
Mixing indomethacin derivative (391mg, 1mmol) and [1.1.1]Propylalane (132mg, 2mmol), perfluoroiodobutane (1730mg, 5mmol) and triethylamine (303mg, 3mmol) were put in a reaction flask, and dimethyl carbonate (5 g) was added thereto to dissolve them, followed by stirring at 410nm for 20 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, and the organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1) to obtain 365mg of a yellow liquid with a yield of 54%. 1 H NMR(500MHz,CDCl 3 )δ7.83(dd,J=7.9,1.3Hz,1H),7.78(s,1H),7.39(ddd,J=8.4,7.1,1.4Hz,1H),7.34–7.27(m,2H),7.12(d,J=8.7Hz,1H),6.90(d,J=2.3Hz,1H),6.77(dd,J=8.7,2.4Hz,1H),4.44(t,J=4.0Hz,4H),3.82(s,3H),3.59(s,2H),2.56(s,6H),2.26(s,3H); 13 C NMR(126MHz,CDCl 3 )δ171.9,154.6,154.3,154.2,133.6,132.9,132.8,130.5,130.4,130.1,128.8,123.8,113.6,111.0,110.9,103.7,100.4,60.9,55.9,51.3,41.9,40.7,37.9(t,J=30.2Hz),30.3,11.7, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.38–-81.77(m),-115.60–-117.58(m),-121.32–-123.02(m),-125.32–-127.25(m);HRMS(ESI+):Calculated for C 31 H 26 F 9 N 3 O 4 :[M+H]+676.1852,Found 676.1857。
Example 12.
Figure BDA0004016774980000101
Mixing the solid-reducing alcohol acid derivative (386mg, 1mmol) and [1.1.1]Propane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol), triethylenediamine (336mg, 3mmol) were charged in a reaction flask, anddimethyl carbonate (24 g) was added and dissolved, and the reaction was stirred under 400nm light for 18 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.82(d,J=7.3Hz,1H),7.49(t,J=7.3Hz,1H),7.33(dd,J=12.5,5.3Hz,2H),7.06(d,J=8.9Hz,2H),
6.59(d,J=8.8Hz,2H),4.49(s,4H),2.54(s,6H),1.48(s,6H); 13 C NMR(126MHz,
CDCl 3 )δ173.9,154.5,154.2,153.7,132.8,132.7,130.5,130.4,129.0,127.3,123.9,120.1,113.7,79.3,61.9,51.2,41.9,40.4,37.9(t,J=30.2Hz),25.2, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.08–-81.22(m),-116.65–-116.79(m),-122.32–-122.36(m),-126.05–-126.11(m);
HRMS(ESI+):Calculated for C 29 H 24 ClF 9 N 2 O 4 :[M+H]+671.1354,Found 671.1355。
Example 13.
Figure BDA0004016774980000111
Isoxemic acid derivatives (440mg, 1mmol) and [1.1.1]Propylalane (198mg, 3 mmol), perfluoroiodobutane (692mg, 2mmol), 1, 8-diazabicycloundec-7-ene (456mg, 3 mmol) were added to the reaction flask, dissolved by adding 1, 4-dioxane (4.4 g), and reacted under stirring at 410nm for 16 hours. After the reaction, adding a saline solution (20 g) to quench the reaction, adding ethyl acetate (20 g), fully stirring, standing for layering, drying an organic layer with anhydrous magnesium sulfate, filtering, concentrating to obtain a dark brown crude product, and performing silica gel column chromatography (ethyl acetate: petroleum) on the crude productEther =1: 3) Purification gave 471mg of a yellow liquid in 65% yield. 1 H NMR(500MHz,CDCl 3 )δ8.03(d,J=2.1Hz,1H),7.89(d,J=7.6Hz,1H),7.83(dd,J=8.0,1.0Hz,1H),7.56(dd,J=10.7,4.2Hz,1H),7.53–7.46(m,2H),7.38(t,J=8.0Hz,2H),7.31(dd,J=11.2,4.6Hz,2H),6.98(d,J=8.4Hz,1H),5.18(s,2H),4.48(dd,J=8.8,4.3Hz,4H),3.56(s,2H),2.55(s,6H); 13 C NMR(126MHz,CDCl 3 )δ190.7,171.4,160.6,154.6,154.3,140.4,136.2,135.5,133.0,132.9,132.8,132.5,130.6,130.5,129.5,129.3,127.9,127.1,125.2,123.9,121.2,113.6,73.6,61.2,51.3,41.9,40.6,40.0,37.9(t,J=30.2Hz), 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.41–-81.73(m),-116.55–-116.65(m),-122.26–-122.32(m),-125.95–-126.07(m);HRMS(ESI+):Calculated for C 35 H 25 F 9 N 2 O 5
[M+H]+725.1693,Found 725.1692。
Example 14.
Figure BDA0004016774980000112
Dehydrocholic acid derivatives (588mg, 1mmol) and [1.1.1]Propylalane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundece-7-ene (684mg, 4.5 mmol) were charged into a reaction flask, dissolved in N, N-dimethylformamide (6 g), and the reaction was stirred under illumination at 410nm for 16 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.84(dd,J=8.0,1.2Hz,1H),7.58–7.51(m,1H),7.43(d,J=8.3Hz,1H),7.34(t,J=7.6Hz,1H),4.48(t,J=5.4Hz,2H),4.41(t,J=5.7Hz,2H),2.88(dd,J=31.5,18.4Hz,3H),2.54(s,6H),2.30(dd,J=22.9,11.7Hz,5H),2.24(d,J=11.8Hz,2H),2.15(dd,J=26.3,14.5Hz,4H),2.02(d,J=9.9Hz,1H),1.98–
1.90(m,3H),1.82(t,J=11.1Hz,1H),1.75–1.70(m,1H),1.59(dd,J=19.1,
9.5Hz,1H),1.39(s,3H),1.33–1.23(m,5H),1.03(s,3H),0.78(d,J=6.6Hz,3H); 13 C NMR(126MHz,CDCl 3 )δ211.9,209.0,208.7,173.9,154.6,154.3,133.0,132.9,130.5,130.5,123.8,113.7,60.5,56.8,51.7,51.2,51.1,49.0,46.8,45.5,45.5,45.0,42.8,41.9,40.7,38.6,37.9(t,J=30.2Hz),36.5,36.0,35.4,35.3,31.2,30.2,27.6,25.1,21.9,18.6,11.8, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.26–-81.80(m),-115.52–-117.63(m),-121.26–-123.02(m),-125.24–-127.00(m);HRMS(ESI+):Calculated for C 44 H 49 F 9 N2O 6 :[M+H]+873.352,Found 873.352。
Example 15.
Figure BDA0004016774980000121
1-benzyl-5, 6-diphenyl-pyrazinone (338mg, 1mmol), [1.1.1] propeller alkane (165 mg,
2.5 mmol), perfluoroiodobutane (692mg, 3mmol), 1, 8-diazabicycloundecen-7-ene (456mg, 3mmol) were charged into a reaction flask, dissolved with dichloromethane (24 g), and the reaction was stirred under 410nm illumination for 16 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was stirred sufficiently and then allowed to stand for layering, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, and the crude product was purified by silica gel column chromatography (ethyl acetate: petroleum ether =1:3) Purification gave 343mg of a pale yellow solid in 55% yield, melting point 89 ℃. 1 H NMR(500MHz,CDCl 3 )δ7.34(t,J=7.5Hz,1H),7.24(d,J=8.7Hz,5H),7.11(d,J=1.9Hz,5H),6.99(d,J=7.3Hz,2H),6.85(dd,J=6.3,2.7Hz,2H),5.11(s,2H),2.58(s,6H); 13 C NMR(126MHz,CDCl 3 )δ155.0,152.5,137.9,137.5,136.0,132.9,131.9,130.5,129.5,129.3,128.6,128.5,127.7,127.5,127.2,127.1,51.1,48.7,41.9,37.9(t,J=31.5Hz), 13 C NMR for C 4 F 9
could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.03–-81.07(m),-116.50–-116.59(m),-122.29–-122.31(m),-126.00–-126.04(m);HRMS(ESI+):Calculated for C 32 H 23 F 9 N2O:[M+H]+623.1739,Found 623.174。
Example 16.
Figure BDA0004016774980000131
Mixing 1- (4-methylbenzyl) -5, 6-diphenyl-pyrazinone (352mg, 1mmol) and [1.1.1] propellane
(165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundece-7-ene (608mg, 4 mmol) were charged into a reaction flask, dissolved in 1, 4-dioxane (10 g), and reacted with stirring under illumination at 410nm for 24 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.35(t,J=7.5Hz,1H),7.25(t,J=7.7Hz,2H),7.10(d,J=1.4Hz,5H),7.01(dd,J=7.3,4.0Hz,4H),6.75(d,J=8.0Hz,2H),5.06(s,2H),2.57(s,6H),2.28(s,3H); 13 C NMR(126MHz,CDCl 3 )δ155.0,152.4,138.0,137.6,137.3,133.0,132.9,132.0,130.5,129.5,129.3,129.2,128.6,127.7,127.2,127.0,51.1,48.5,41.9,37.9(t,J=31.5Hz),21.1, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.03–-81.07(m),-116.52–-116.56(m),-122.28–-122.31(m),-125.97–-126.03(m);
HRMS(ESI+):Calculated for C 33 H 25 F 9 N2O:[M+H]+637.1896,Found 637.1888。
Example 17.
Figure BDA0004016774980000132
1- (4-chlorobenzyl) -5, 6-diphenyl-pyrazinone (372mg, 1mmol), [1.1.1]Propane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundec-7-ene (456 mg, 3mmol) were charged into a reaction flask, dissolved by addition of N-methylpyrrolidone (5 g), and the reaction was stirred under illumination at 400nm for 18 hours. After the reaction, a brine solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, and the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,CDCl 3 )δ7.36(t,J=7.5Hz,1H),7.28–7.24(m,2H),7.19–7.14(m,2H),7.14–7.06(m,5H),6.99(d,J=7.2Hz,2H),6.79(d,J=8.4Hz,2H),5.06(s,2H),2.57(s,6H); 13 C NMR(126MHz,CDCl 3 )δ155.0,152.6,137.6,137.4,134.5,133.5,133.1,131.8,130.5,129.7,129.3,128.8,128.8,128.7,127.7,127.1,51.1,48.1,41.9,37.9(t,J=31.5Hz), 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.03–81.07(m),-116.51–-116.57(m),-122.27–-122.31(m),-125.96–-126.03(m);HRMS(ESI+):Calculated for C 32 H 22 ClF 9 N 2 O:[M+H]+657.135,Found 657.1346。
Example 18.
Figure BDA0004016774980000141
Quinoxaline-2 (1H) -one (146mg, 1mmol), [1.1.1]Propylalane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundece-7-ene (304mg, 2mmol) were charged into a reaction flask, dissolved in ethyl acetate (14.6 g), and reacted under stirring at 420nm for 16 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for separation, an organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated to obtain a dark brown crude product, and the crude product was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1). 1 H NMR(500MHz,Acetone)δ11.22(s,1H),7.77(d,J=7.9Hz,1H),7.53(t,J=7.3Hz,1H),7.39(d,J=8.0Hz,1H),7.32(t,J=7.6Hz,1H),2.55(s,6H); 13 C NMR(126MHz,Acetone)δ155.9,154.3,132.5,132.2,130.2,128.9,123.3,115.2,50.8,41.7,37.5(t,J=31.5Hz), 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,Acetone)δ-81.95(t,J=10.1Hz),-116.90–-116.97(m),-122.78–-122.85(m),-126.65–-126.71(m);HRMS(ESI+):Calculated for C 17 H 11 F 9 N2O:
[M+H]+431.08,Found 431.0808。
Example 19.
Figure BDA0004016774980000151
1-methyl-5, 6-di-p-tolyl-pyrazinone (290mg, 1mmol), [1.1.1]Propylalane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 3mmol) and 1, 8-diazabicycloundec-7-ene (152mg, 1mmol) were charged into a reaction flask, dissolved in methylene chloride (2.9 g) and reacted under stirring at 410nm for 12 hours. After the reaction, adding a saline solution (20 g) to quench the reaction, adding ethyl acetate (20 g), fully stirring, standing for layering, drying an organic layer with anhydrous magnesium sulfate, filtering, concentrating to obtain a dark brown crude product, and performing silica gel column chromatography (ethyl acetate: petroleum ether =) on the crude product1: 3) Purification gave 344mg of a pale yellow solid in 60% yield, melting point 168 ℃. 1 H NMR(500MHz,CDCl 3 )δ7.20(d,J=7.8Hz,2H),7.05(dd,J=17.1,8.0Hz,4H),6.94(d,J=8.0Hz,2H),3.28(s,3H),2.54(s,6H),2.38(s,3H),2.25(s,3H); 13 C NMR(126MHz,CDCl 3 )δ155.4,151.2,139.6,137.8,136.7,134.9,132.7,129.8,129.8,129.7,129.1,128.5,51.0,41.8,37.9(t,J=31.5Hz),33.6,21.4,21.1, 13 C NMR for C 4 F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-80.03–-81.08(m),-116.49–-116.56(m),-122.29–-122.31(m),-125.99–-126.05(m);HRMS(ESI+):Calculated for C 28 H 23 F 9 N 2 O:[M+H]+575.1739,Found 575.1734。
Example 20.
Figure BDA0004016774980000152
5, 6-bis (4-bromophenyl) -1-methyl-pyrazinone (418mg, 1mmol), [1.1.1]Propylalane (165mg, 2.5 mmol), perfluoroiodobutane (692mg, 2mmol) and 1, 8-diazabicycloundece-7-ene (456 mg, 3mmol) were charged into a reaction flask, and 1, 4-dioxane (5 g) was added thereto and dissolved, followed by stirring under 410nm light for 16 hours. After the reaction was completed, a saline solution (20 g) was added to quench the reaction, ethyl acetate (20 g) was added, the mixture was sufficiently stirred and then allowed to stand for layering, the organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated to obtain a dark brown crude product, which was purified by silica gel column chromatography (ethyl acetate: petroleum ether = 1) to obtain 316mg of a pale yellow solid, a yield of 45%, and a melting point of 134 ℃. 1 H NMR(500MHz,CDCl3)δ7.57(d,J=8.4Hz,2H),7.31–7.28(m,2H),7.07(d,J=8.4Hz,2H),7.00–6.97(m,2H),3.28(s,3H),2.53(s,6H); 13 C NMR(126MHz,CDCl3)δ155.1,152.3,136.9,136.3,132.7,131.5,131.5,131.1,131.0,130.9,124.4,121.6,51.0,41.7,37.9(t,J=31.5Hz),33.7, 13 C NMR for C4F 9 could not be assigned; 19 F NMR(471MHz,CDCl 3 )δ-81.03–-81.09(m),-116.55–-116.61(m),-122.27–-122.33(m),-125.99–-126.06(m);HRMS(ESI+):Calculated for C26H 17 Br 2 F 9 N 2 O:[M+H]+702.9637,Found 702.9597。
The obtained novel disubstituted bicyclo [1.1.1] pentane derivative containing perfluoroalkyl and N heterocycle has potential application prospect in the fields of pharmaceutical chemicals, materials, dyes and the like.

Claims (10)

1. The synthesis method of disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle is characterized in that:
adding a nitrogen-containing heterocycle, 1.1.1] propellane, perfluoro-iodoalkane and a base catalyst into an organic solvent, and stirring and reacting for 6-24 hours at normal temperature under a photocatalytic condition, wherein the reaction formula is as follows:
Figure FDA0004016774970000011
the molar ratio of the added nitrogen-containing heterocycle, the [1.1.1] propeller alkane and the perfluoro iodoalkane is 1-3; the molar ratio of the added base catalyst to the nitrogen-containing heterocycle is 1-5; the feeding mass ratio of the organic solvent to the nitrogen-containing heterocycle is 10-100; the wavelength of light used for photocatalysis is 365-455 nm;
the structural formula of the nitrogen-containing heterocycle is shown as
Figure FDA0004016774970000012
Wherein R is 1 Is hydrogen, alkyl, benzyl, substituted benzyl, or an ester group; r 2 Is substituted or unsubstituted phenyl;
said [1.1.1]The structural formula of the propellane is as follows
Figure FDA0004016774970000013
The structural formula of the perfluoro iodoalkane is I-R f (ii) a Wherein is C 2 F 5i C 3 F 7 、C 4 F 9 、C 6 F 13 、C 8 F 17 Or CF 2 COOEt;
After the reaction in the step (2) is finished, adding saturated saline solution to quench the reaction, and adding an organic solvent ethyl acetate to extract and stratify; and (3) drying the organic layer by using anhydrous magnesium sulfate or anhydrous sodium sulfate, filtering and concentrating to obtain a dark brown liquid crude product, and purifying the crude product by using a silica gel column chromatography to obtain a light yellow solid target product containing perfluoroalkyl and N heterocyclic disubstituted bicyclo [1.1.1] pentane.
2. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the alkali catalyst is one of potassium phosphate, triethylene diamine, triethylamine, N-diisopropylethylamine, cesium carbonate, tetrabutylammonium iodide and 1, 8-diazabicycloundecen-7-ene.
3. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the organic solvent is one of ethyl acetate, dichloromethane, acetonitrile, acetone, 1, 4-dioxane, N-dimethylformamide, dimethyl carbonate and N-methylpyrrolidone.
4. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the molar ratio of the nitrogen-containing heterocycle, the [1.1.1] propellane and the perfluoroalkyl iodide added in the step (1) is 1.
5. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the molar ratio of the base catalyst to the nitrogen-containing heterocycle added in the step (1) is 3.
6. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: in the step (1), the feeding mass ratio of the organic solvent to the nitrogen-containing heterocycle is 15-50.
7. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the reaction time in the step (1) is 12 to 18 hours.
8. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the wavelength of light used for photocatalysis in the step (1) is 400-420 nm.
9. The method for synthesizing disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N-heterocycle according to claim 1, wherein: the solvent used in the silica gel column chromatography is a solvent with the volume ratio of 1:3 ethyl acetate and petroleum ether.
10. Disubstituted bicyclo [1.1.1] containing perfluoroalkyl and N-heterocycle obtained by the synthesis method according to any one of claims 1-9]Pentane of the formula
Figure FDA0004016774970000021
Wherein R is 1 Is hydrogen, alkyl, benzyl, substituted benzyl, or an ester group; r 2 Is a substituted or unsubstituted phenyl group; r is f Is C 2 F 5i C 3 F 7 、C 4 F 9 、C 6 F 13 、C 8 F 17 Or CF 2 COOEt。/>
CN202211674319.3A 2022-12-26 2022-12-26 Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof Pending CN115974795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211674319.3A CN115974795A (en) 2022-12-26 2022-12-26 Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211674319.3A CN115974795A (en) 2022-12-26 2022-12-26 Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof

Publications (1)

Publication Number Publication Date
CN115974795A true CN115974795A (en) 2023-04-18

Family

ID=85959072

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211674319.3A Pending CN115974795A (en) 2022-12-26 2022-12-26 Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof

Country Status (1)

Country Link
CN (1) CN115974795A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180186781A1 (en) * 2016-12-08 2018-07-05 Board Of Regents, The University Of Texas System Bicyclo[1.1.1]pentane inhibitors of dual leucine zipper (dlk) kinase for the treatment of disease
CN109071409A (en) * 2016-03-14 2018-12-21 斯帕罗化学股份公司 The method for preparing bicyclic [the 11 1] pentane replaced
WO2022178559A1 (en) * 2021-02-22 2022-08-25 The Trustees Of Princeton University 2-substituted bicyclo[1.1.1]pentanes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109071409A (en) * 2016-03-14 2018-12-21 斯帕罗化学股份公司 The method for preparing bicyclic [the 11 1] pentane replaced
US20180186781A1 (en) * 2016-12-08 2018-07-05 Board Of Regents, The University Of Texas System Bicyclo[1.1.1]pentane inhibitors of dual leucine zipper (dlk) kinase for the treatment of disease
WO2022178559A1 (en) * 2021-02-22 2022-08-25 The Trustees Of Princeton University 2-substituted bicyclo[1.1.1]pentanes

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HAN HANG等: "Synthesis of 1-azido-3-heteroaryl bicyclo[1.1.1]pentanes via azidoheteroarylation of [1.1.1]propellane", 《GREEN CHEM.》, vol. 23, 30 November 2021 (2021-11-30), pages 10132 *
YAN BOAN.等: "Synthesis of 1-perfluoroalkyl-3-heteroaryl bicyclo[1.1.1]pentanes via visible light-induced and metal-free perfluoroalkylation of [1.1.1]propellane", 《GREEN CHEM.》, vol. 25, no. 5, 27 January 2023 (2023-01-27), pages 1948 - 1954 *
ZHU JIASHUN 等: "Visible-light-induced direct perfluoroalkylation/heteroarylation of [1.1.1]propellane to diverse bicyclo[1.1.1]pentanes (BCPs) under metal and photocatalyst-free conditions", 《GREEN CHEM.》, vol. 25, no. 3, 12 January 2023 (2023-01-12), pages 986 - 992 *
张红 等: "自由基参与的[1.1.1]螺桨烷溴烷基化反应:溴代双环[1.1.1]戊烷衍生物的合成", 《有机化学》, vol. 40, 8 June 2020 (2020-06-08), pages 3431 - 3438 *

Similar Documents

Publication Publication Date Title
Pan et al. Recent advances in photoinduced trifluoromethylation and difluoroalkylation
CN108299296B (en) Preparation method of phenanthridine heterocyclic compound
CN112174989B (en) Preparation method of clenbuterol
CN113735710B (en) Visible light promoted aryl fluoralkylation product of olefin and preparation method thereof
EP2914574B1 (en) New process
CN113620891B (en) Method for preparing quinoxaline-2-ketone derivative by controllable catalysis
CN108863890A (en) A kind of 4- pyrroline-2-one derivative and preparation method thereof
Anderson et al. The preparation of β-substituted amines from mixtures of epoxide opening products via a common aziridinium ion intermediate
Zhang et al. Synthesis of chiral fluorine-containing compounds via Pd-catalyzed asymmetrical allylations of dimethyl 2-fluoromalonate using sulfonamide-pyridine ligands
CN112442008A (en) Method for preparing 1, 4-dithiine and thiophene compounds by regulating elemental sulfur and active internal alkyne at temperature and conversion reaction of compound
CN102863371B (en) Fluoro pyrrolin or fluoro pyrroles
CN115974795A (en) Disubstituted bicyclo [1.1.1] pentane containing perfluoroalkyl and N heterocycle and synthetic method thereof
CN111072605A (en) Preparation method of fluoroalkyl-substituted benzofuran derivative or indole derivative
CN114573512B (en) Method for synthesizing C2-difluoro alkyl benzimidazole derivative
CN110105294A (en) A kind of preparation method of polysubstituted tetrahydroquinoxaline derivative
CN113651788B (en) 3-aminoalkylchromone compound and preparation method thereof
CN111269153B (en) Synthetic method of alpha, alpha-difluoro-beta-carbonyl sulfone compound
CN107417548A (en) Than his intermediate of department and preparation method thereof
CN107721917B (en) Green synthesis method of polysubstituted nicotinate compound
CN101456843B (en) Synthetic method of 5-(4-chlorphenyl)-1-(2,4-dichlorobenzene)-4-methylpyrazole-3-carboxyl acid
CN114539197B (en) Synthesis method of 3-fluoroalkyl substituted chromone derivative
CN109111334A (en) A kind of chirality 2- aryl methylene cyclic alkanol and its method of asymmetric synthesis
JPS6053039B2 (en) N-Acetyl/Iramic acid derivative and method for producing the same
RU2483055C1 (en) Method of producing 1,5-bis(2-hydroxyphenoxy)-3-oxapentane monohydrate
CN108929226B (en) Method for preparing benzoyl formate derivative

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination