CN105541918B - A kind of chirality 5,5,10,10 4 aryl two ring [4.4.0] 3,8 bis phosphoric acid and its preparation method and application - Google Patents

A kind of chirality 5,5,10,10 4 aryl two ring [4.4.0] 3,8 bis phosphoric acid and its preparation method and application Download PDF

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CN105541918B
CN105541918B CN201610060866.0A CN201610060866A CN105541918B CN 105541918 B CN105541918 B CN 105541918B CN 201610060866 A CN201610060866 A CN 201610060866A CN 105541918 B CN105541918 B CN 105541918B
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erythrol
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CN105541918A (en
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胡晓允
单自兴
陈东志
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South Central Minzu University
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    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
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    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255Phosphorus containing compounds
    • B01J31/0257Phosphorus acids or phosphorus acid esters
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    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
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Abstract

The invention discloses a kind of chiral 5,5,10,10 four aryl two ring [4.4.0] 3,8 bis phosphoric acid and its preparation method and application, the general structure of the chipal compounds is as follows:Its preparation method is as follows:Optical pure tartaric acid ester and RMgBr are reacted, chirality 1,1 is made, 4,4 four aryl erythrol, under organic base existence condition, by chirality 1, Isosorbide-5-Nitrae, 4 four aryl erythrol occur the cycli phosphateization of high regioselectivity 1,3 at 0 DEG C 36 DEG C with POCl3 and reacted, and chirality 5 is made, 5, the bis phosphoric acid of the ring of 10,10 tetraphenyl two [4.4.0] 3,8.The bis phosphoric acid of 5,5,10,10 four aryl of chirality, two ring [4.4.0] 3,8 has excellent chiral induction ability, can be used to be catalyzed asymmetric syntheses.This method raw material is easy to get, and technological process is simple, easy to operate, good reaction selectivity, product yield high.

Description

A kind of ring [4.4.0] -3,8- bis phosphoric acids of tetra- aryl of chiral 5,5,10,10- two and its system Preparation Method and application
Technical field
The present invention relates to chipal compounds preparing technical field, and in particular to a kind of chirality ring of 5,5,10,10- tetra- aryl two [4.4.0] -3,8- bis phosphoric acids and its preparation method and application.
Background technology
Chiral phosphoric acid is as one kind of Br φ nsted acid catalysts, the acidity with moderate strength, the rigidity knot of ring-type Structure, shows excellent asymmetry catalysis activity, a kind of general chiral catalyst [Terada is had developed at present M.Bulletin of the Chemical Society of Japan,2010,83(2):101-119.], part chiral phosphoric acid It has been commercialized.Chiral phosphoric acid catalyst is in catalysis asymmetric Mannich reaction [(a) Akiyama, T.;Itoh,J.; Yokota,K.;Fuchibe,K.Angew.Chem.Int.Ed.2004,43,1566;(b)Uraguchi,D.;Terada, M.J.Am.Chem.Soc.2004,126,5356.], C-H activation [(a) Mori, K.;Ehara,K.;Kurihara,K.; Akiyama,T.J.Am.Chem.Soc.2011,133,6166-6169.(b)Terada,M.;Soga,K.;Momiyama, N.Angew.Chem., Int.Ed., 2008,47,4122-4125.], asymmetric Friedel-Crafts reaction [(a) Bi B, Lou Q-X,Ding Y-Y,Chen S-W,Zhang S-S,Hu W-H,Zhao J-L.Org.Lett.,2015,17(3),540– 543. (b) Mori K, Wakazawa M, Akiyama T.Chem.Sci., 2014,5,1799-1803.], it is asymmetric Biginelli reacts [Li, N.;Chen,X.H.;Song,J.;Luo,S.W.;Fan,W.;Gong, L.Z.J.Am.Chem.Soc.2009,131,15301-15310.(b)Chen,X.H.;Xu,X.Y.;Liu,H.;Cun,L.F.; Gong,L.Z.J.Am.Chem.Soc.2006,128,14802-14803.(c)Goss,J.M.;Schaus, S.E.J.Org.Chem.2008,73 (16), 7651-7656.] in terms of the result that has achieved.It is chiral single but research is found Phosphoric acid is less efficient to certain form of catalytic reaction, the reaction time is longer and catalyst amount it is larger [(a) Terada, M.Chem.Commun., 2008,4097-4112. (b) Terada, M.Synthesis 2010,1929-1982.], so at present Research focus on synthesis [(a) Momiyama, N. of chiral diphosphonic acid;Konno,T.;Furiya,Y.;Iwamoto,T.; Terada,M.J.Am.Chem.Soc.2011,133,19294-19297.(b)He,L.;Chen,X.H.;Wang,D.N.;Luo, S.W.;Zhang,W.Q.;Yu,J.;Ren,L.;Gong,L.Z.J.Am.Chem.Soc.2011,133,13504-13518.].
The phosphorylation reaction of binaphthol derivative is easy to carry out:Binaphthol derivative can directly be made with phosphorus oxychloride reaction .But distich naphthalene skeleton performs the derivatization cumbersome, typically first phenolic hydroxyl group is protected, then pass through metallization, halogenation Corresponding group is introduced with Suzuki coupling reactions, then phenolic hydroxyl group is deprotected, is then made corresponding to phosphorus oxychloride reaction Chiral phosphoric acid catalyst [Rueping, M.;Sugiono,E.;Azap,C.T.Theissmann in Catalysts for Fine Chemical Synthesis,Vol.5(Eds.:S.M.Roberts,J.Whittall),Wiley,Chichester, 2007,pp.161-181.The synthesis has been described as part of the synthesis of the corresponding phosphoric acid derivative.].Chiral monophosphorous acid derived from TADDOL, chiral bone Frame is easy to perform the derivatization, but the preparation of chiral phosphoric acid is more complicated, it is necessary to which phosphorous is made in the phosphorus trichloride reaction higher with activity Acid esters, corresponding chiral phosphoric acid [(a) Akiyama T, Saitoh can just be obtained by recycling iodine or hydrogen peroxide to be aoxidized Y,Morita H,et al.Advanced Synthesis&Catalysis,2005,347,1523-1526.(b)Voituriez A,Charette A B.Advanced Synthesis&Catalysis,2006,348,2363-2370.].And the secondary hydroxyls of TADDOL The deprotection of base is cumbersome, typically first to be aoxidized with DDQ (2,3-Dichloro-5,6-dicyano-1,4-benzoquinone), then use LiAlH4Aldehyde/ketone protection group [Luithle, J.E. is sloughed in reduction;Pietruszka,J.J.Org.Chem.1999,64,8287- 8297.], and chiral bisphosphine acid has not yet to see report derived from tartaric acid.
The content of the invention
To solve the problem of above-mentioned prior art is present, the invention provides a kind of chiral ring of 5,5,10,10- tetra- aryl two The preparation method of [4.4.0] -3,8- bis phosphoric acids, this method raw material is easy to get, and technological process is simple, easy to operate, reaction selectivity It is good, product yield high.Chiral ring [the 4.4.0] -3,8- bis phosphoric acids of tetra- aryl of 5,5,10,10- two have excellent chiral induction Ability, can be used to be catalyzed asymmetric syntheses.
Realize technical scheme that above-mentioned purpose of the present invention used for:
A kind of chirality ring of 5,5,10,10- tetra- aryl two [4.4.0] -3,8- bis phosphoric acids, its general structure is as follows:
The Ar is phenyl, tolyl, chlorphenyl, bromophenyl, nitrobenzophenone or naphthyl.
A kind of preparation method of the chirality ring of 5,5,10,10- tetra- aryl two [4.4.0] -3,8- bis phosphoric acids, including following step Suddenly:Optical pure tartaric acid ester and RMgBr are reacted, chirality 1 is made, Isosorbide-5-Nitrae, the aryl erythrol of 4- tetra- is deposited in organic base Under conditions, by chirality 1, with POCl3 height region selection occurs under the conditions of 0 DEG C -36 DEG C for Isosorbide-5-Nitrae, the aryl erythrol of 4- tetra- Property 1,3- cycli phosphateizations reaction, be made chirality the ring of 5,5,10,10- tetra- aryl two [4.4.0] -3,8- bis phosphoric acids, described grignard R in reagent is phenyl, tolyl, chlorphenyl, bromophenyl, nitrobenzophenone or naphthyl.
Described tartrate is ethyl tartrate or dimethyl tartrate.
The mol ratio of tartrate and RMgBr is 1:6-8.
Described organic base is triethylamine or pyridine.
The mol ratio of organic base and the aryl erythrol of chirality 1,1,4,4- tetra- is 6-30:1.
The mol ratio of chiral the aryl erythrol of 1,1,4,4- tetra- and POCl3 is 1:2-3.
The concrete operation step of described high regioselectivity 1,3- cycli phosphateizations reaction is as follows:By chiral 1,1,4,4- Tetraphenyl erythrol is added in reaction vessel, and organic base is then added into reaction vessel, and reaction vessel is placed in into 0-10 DEG C In environment, after stirring 15 minutes, it is added dropwise under conditions of stirring into reaction vessel after POCl3, completion of dropping and continues to stir 30 minutes, 25-36 DEG C is heated to, after being further continued for stirring 120 minutes, with the pH value of 2mol/L hydrochloric acid regulation system to 1-2, knot Chiral ring [4.4.0] -3,8- bis phosphoric acids of tetra- aryl of 5,5,10,10- two are obtained after crystalline substance.
A kind of ring [4.4.0] -3,8- bis phosphoric acids of tetra- aryl of chiral 5,5,10,10- two are in catalysis asymmetric catalysis synthesis Application.
Compared with prior art, its advantage and advantage are the present invention:
1) this method raw material is easy to get, and technological process is simple, and process conditions are easy to control, easy to operate, workable, and raw Produce cost low.
2) this method is from TADDOL parent compound-chirality 1, and Isosorbide-5-Nitrae, the aryl erythrol of 4- tetra- sets out, and passes through itself and three The double phosphorus of ring [the 4.4.0] -3,8- of tetra- aryl of chirality 5,5,10,10- two are made in the high regioselectivity derivative reaction of chlorethoxyfos Acid, avoids oxidation and the deprotection program of TADDOL secondary hydroxyls of phosphite ester, so as to enormously simplify its synthesis step.
3) this method conversion zone is selectively good, and product yield high, test shows, product yield is up to 87%.
4) ring [4.4.0] of 5,5,10,10- tetra- aryl of chirality two -3, the 8- bis phosphoric acids have excellent chiral induction ability, It can be used to be catalyzed asymmetric syntheses, such as Biginelli reactions.
Brief description of the drawings
Fig. 1 is the list of (1R, 6R) -5,5,10,10- tetraphenyls two ring [4.4.0] -3,8- bis phosphoric acids prepared by embodiment 1 Crystal structure figure.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1
A kind of (1R, 6R) -5, the preparation method of the ring of 5,10,10- tetraphenyl two [4.4.0] -3,8- bis phosphoric acids, its step It is:
1) phenyl-magnesium-bromide is dissolved in tetrahydrofuran, be then added drop-wise to optical voidness (2R, 3R)-ethyl tartrate In the tetrahydrofuran solution of phenyl-magnesium-bromide, the mol ratio of wherein phenyl-magnesium-bromide and (2R, 3R)-ethyl tartrate is 6:1, After the completion of reaction, it is quenched with saturated aqueous ammonium chloride, ether extraction, concentration obtains (2R, 3R) -1 after silica gel column chromatography, Isosorbide-5-Nitrae, 4- tetraphenyl erythrol, yield:50%, m.p.:149-150℃;[α]D 25=+154.0 (c 1.2, CHCl3);IR (KBr):3436,3058,2916,1598,1492,1447,1063,698;1H-NMR(CDCl3,300MHz):δ7.37–7.13 (m,20H,Ar-H);4.65 (d, J=7.2Hz, 2H, OH) 4.41 (d, J=4.7Hz, 2H, CH);3.77 (d, J=5.3Hz, 2H, OH).13C-NMR(CDCl3,75MHz)δ143.8;142.7;134.6;131.5;129.3;128.3;128.2;127.9; 127.5;126.7;125.5;81.3,69.7.
2) by (2R, 3R) -1, Isosorbide-5-Nitrae, 4- tetraphenyl erythrol is added in round-bottomed flask, is then added into round-bottomed flask Triethylamine, wherein the mol ratio of (2R, 3R) -1, Isosorbide-5-Nitrae, 4- tetraphenyls erythrol and triethylamine is 1:30, round-bottomed flask is placed in 0 In DEG C environment, after stirring 15 minutes, be added dropwise POCl3 into round-bottomed flask under conditions of stirring, wherein POCl3 with The mol ratio of (2R, 3R) -1,1,4,4- tetraphenyl erythrol is 2:1, continue after completion of dropping to stir 30 minutes, be heated to 25 DEG C, after being further continued for stirring 120 minutes, with the pH value of 2mol/L hydrochloric acid regulation system to 1-2, (1R, 6R) -5 are obtained after crystallization, The ring of 5,10,10- tetraphenyls two [4.4.0] -3,8- bis phosphoric acids.Yield:87%;m.p.195-197℃;[α]D 28=-108 (c 0.7,CH3CH2OH);1H NMR(CDCl3,300MHz):δ7.44-7.20(m,20H,Ar-H),5.52(s,2H,C-H);4.57 (s,2H,-OH,mixed with the water peak of DMSO and disappeared after adding D2O);13C NMR(CDCl3,75MHz):δ142.3,140.7,129.5,129.1,128.9,128.0,126.1,125.5, 89.0,72.2。
Single crystal data:empirical formula,C28H26O9P2;formula weight,568.43;calculated density,1.378g/cm3;volume(V),2739.3(3);crystal system,Orthorhombic;space group,P2(1)2(1)2(1);Z=4;Unit cell dimensions, a=11.2864 (8), b=15.4239 (12), c =15.7359 (11), α=90 ° β=90 °, γ=90 °;absorption coefficient(μ),0.212mm-1;index ranges-14≤h≤10,-19≤k≤19,-20≤l≤19;F(000),1184;GOF, No. 1.072.CCDC:1435079, Its mono-crystalline structures is as shown in Figure 1.
As the above analysis, the organic compound is (1R, 6R) -5, the ring of 5,10,10- tetraphenyl two [4.4.0] -3,8- Bis phosphoric acid, its structural formula is as follows:
Embodiment 2
A kind of (1S, 6S) -5, the preparation method of the ring of 5,10,10- tetraphenyl two [4.4.0] -3,8- bis phosphoric acids, its step It is:
1) preparation (2S, 3S) -1, Isosorbide-5-Nitrae, 4- tetraphenyl erythrol, its preparation method be the same as Example 1 only need to be by embodiment 1 In (2R, 3R)-ethyl tartrate be substituted for (2S, 3S)-ethyl tartrate.
2) by (2S, 3S) -1, Isosorbide-5-Nitrae, 4- tetraphenyl erythrol is added in round-bottomed flask, is then added into round-bottomed flask Pyridine, wherein the mol ratio of (2S, 3S) -1, Isosorbide-5-Nitrae, 4- tetraphenyls erythrol and pyridine is 1:20, round-bottomed flask is placed in 10 DEG C In environment, after stirring 15 minutes, be added dropwise POCl3 into round-bottomed flask under conditions of stirring, wherein POCl3 with (2R, 3R) mol ratio of -1,1,4,4- tetraphenyls erythrol is 2:1, continue after completion of dropping to stir 30 minutes, be heated to 36 DEG C, then Continue after stirring 120 minutes, with the pH value of 2mol/L hydrochloric acid regulation system to 1-2, obtain (1S, 6S) -5 after crystallization, 5,10, The ring of 10- tetraphenyls two [4.4.0] -3,8- bis phosphoric acids.Yield:82%;m.p.196-198℃;[α]D 28=+108 (c 0.8, CH3CH2OH);1H NMR(CDCl3,300MHz):δ7.45-7.19(m,20H,Ar-H),5.50(s,2H,C-H),3.82(s, 2H,-OH,mixed with the water peak of DMSO and disappeared after adding D2O);13C NMR(CDCl3,75MHz):δ141.8,140.2,128.9,128.3,127.5,125.5,125.0,88.4,71.67。
As the above analysis, the organic compound is (1S, 6S) -5, the ring of 5,10,10- tetraphenyl two [4.4.0] -3,8- Bis phosphoric acid, its structural formula is as follows:
Embodiment 3
A kind of (1R, 6R) -5, the preparation method of the ring of 5,10,10- tetra- p-methylphenyl two [4.4.0] -3,8- bis phosphoric acids, it is walked Suddenly it is:
1) p-tolylmagnesium bromide is dissolved in tetrahydrofuran, then dripped optical voidness (2R, 3R)-ethyl tartrate It is added in the tetrahydrofuran solution of p-tolylmagnesium bromide, wherein p-tolylmagnesium bromide and (2R, 3R)-ethyl tartrate Mol ratio is 8:1, after the completion of reaction, it is quenched with saturated aqueous ammonium chloride, ether extraction, concentration, after silica gel column chromatography To the p-methylphenyl erythrol of (2R, 3R) -1,1,4,4- four.Yield:49%, m.p.:162-163℃;[α]D 25=+102.2 (c 0.5,CHCl3);1H-NMR(CDCl3,400MHz):δ7.36–7.06(m,16H,Ar-H);4.68(s,2H,OH)4.41(s,2H, CH);3.80(s,2H,OH),2.36(s,6H,CH3),2.24(s,6H,CH3).13C-NMR(CDCl3,100MHz)δ143.9; 143.1,135.8;125.4;129.0,128.5,126.7,125.8,81.4,71.8.
2) by (2R, 3R) -1, Isosorbide-5-Nitrae, the p-methylphenyl erythrol of 4- tetra- is added in round-bottomed flask, then into round-bottomed flask Pyridine is added, wherein the mol ratio of (2R, 3R) -1, Isosorbide-5-Nitrae, the p-methylphenyl erythrol of 4- tetra- and pyridine is 1:10, by round-bottomed flask It is placed in 0 DEG C of environment, after stirring 15 minutes, POCl3, wherein trichlorine oxygen is added dropwise into round-bottomed flask under conditions of stirring The mol ratio of phosphorus and (2R, 3R) -1,1,4,4- tetraphenyl erythrol is 3:1, continue after completion of dropping to stir 30 minutes, be heated to 36 DEG C, after being further continued for stirring 120 minutes, with the pH value of 2mol/L hydrochloric acid regulation system to 1-2, obtained after crystallization (1R, 6R)- Tetra- p-methylphenyls of 5,5,10,10- two ring [4.4.0] -3,8- bis phosphoric acids.Yield:82%;m.p.184-186℃;[α]D 28=- 127(c 0.5,CH3CH2OH);1H NMR(CDCl3,400MHz):δ7.32-7.10(m,16H,Ar-H),5.49(s,2H,C- H);4.58(s,2H,-OH,mixed with the water peak of DMSO and disappeared after adding D2O), 2.32 (s, 12H, CH3);13C NMR(CDCl3,100MHz):δ142.1,141.8,129.6,129.2, 128.7,128.2,126.3,125.8,88.6,71.8。
Embodiment 4
Three groups are catalyzed with ring [the 4.4.0] -3,8- bis phosphoric acids of (1R, 6R) -5,5,10,10- tetraphenyls two prepared by embodiment 1 Divide exemplified by Biginelli reactions, chiral 5, the purposes of the ring of 5,10,10- tetra- aryl two [4.4.0] -3,8- bis phosphoric acids is done in detail Explanation.
Test method:Ring [the 4.4.0] -3,8- bis phosphoric acids of (1R, 6R) -5,5,10,10- tetraphenyls two are with 10% catalyst (molar ratio is 1 for consumption (10% of benzaldehyde amount of substance) catalysis benzaldehyde, ethyl acetoacetate and thiocarbamide:1.1:1.1) Three component reactions, be stirred at room temperature after 6 days, Biginelli reaction products obtained after purification process.
Result of the test is as follows:
Yield:52%;ee>99%. [α]D 20=-68 (c 0.5, MeOH);1H NMR(DMSO,400MHz):δ10.32 (s, 1H, NH), 9.63 (s, 1H, NH), 7.38-7.16 (m, 5H, Ar-H), 5.16 (d, J=3.6Hz, 1H, CH), 3.98 (q, J =7.1Hz, 2H, OCH2), 2.25 (d, J=17.4Hz, 3H, CH3),1.11-0.97(m,3H,CH3).Enantiomeric excess:>99%, determined by HPLC (Daicel Chirapak AD-H, hexane/isopropanol=80: 20, flow rate=0.8mL/min, λ=220nm):tR=9.255min (minor), tR=10.923min (major).
The chiral phosphoric acid catalyst for the asymmetry catalysis Biginelli reactions reported at present is mainly hand derived from dinaphthol Property phosphoric acid ((a) J.Am.Chem.Soc., 2006,128,14802;(b) J.Am.Chem.Soc., 2009,131,15301), spiral shell It is chiral single derived from chiral phosphoric acid catalyst derived from ring diphenol (Org.Biomol.Chem., 2012,10,4467) and TADDOL Phosphoric acid (Advanced Synthesis&Catalysis, 2005,347,1523), and chiral diphosphonic acid is urged derived from tartrate There is not been reported for agent.So the application is by chirality 5,5,10,10- tetraphenyls two ring [4.4.0] -3,8- derived from tartrate Bis phosphoric acid is used to be catalyzed the three component Biginelli reactions that benzaldehyde, ethyl acetoacetate and thiocarbamide are participated in, and investigates pair of reaction Selectivity is reflected, is that ee values are weighed with enantiomeric excess, it is above-mentioned test result indicates that ee values are up to more than 99%, the mapping choosing of reaction Selecting property is high, illustrates that the chiral induction ability of catalyst is very good.

Claims (3)

1. a kind of general structure isThe aryl of chiral 5,5,10,10- tetra- The preparation method of two rings [4.4.0] -3,8- bis phosphoric acids, the Ar be phenyl, tolyl, chlorphenyl, bromophenyl, nitrobenzophenone or Naphthyl, it is characterised in that the preparation method comprises the following steps:Optical pure tartaric acid ester and RMgBr are reacted, Be made chirality 1, Isosorbide-5-Nitrae, the aryl erythrol of 4- tetra-, under organic base existence condition, by chirality 1, Isosorbide-5-Nitrae, the aryl erythrol of 4- tetra- with High regioselectivity 1 occurs under the conditions of 0 DEG C -36 DEG C for POCl3, and chirality 5,5,10,10- is made in the reaction of 3- cycli phosphateizations The ring of four aryl two [4.4.0] -3,8- bis phosphoric acids, described RMgBr formula be R in RMgBr, formula be phenyl, tolyl, Chlorphenyl, bromophenyl, nitrobenzophenone or naphthyl;
The organic base is triethylamine or pyridine;
The mol ratio of the organic base and the aryl erythrol of chirality 1,1,4,4- tetra- is 10-30:1;
The concrete operation step of described high regioselectivity 1,3- cycli phosphateizations reaction is as follows:By the chiral benzene of 1,1,4,4- tetra- Base erythrol is added in reaction vessel, and organic base is then added into reaction vessel, and reaction vessel is placed in into 0-10 DEG C of environment In, after stirring 15 minutes, it is added dropwise under conditions of stirring into reaction vessel after POCl3, completion of dropping and continues to stir 30 points Clock, is heated to 25-36 DEG C, after being further continued for stirring 120 minutes, with the pH value of 2mol/L hydrochloric acid regulation system to 1-2, after crystallization Obtain chiral ring [4.4.0] -3,8- bis phosphoric acids of tetra- aryl of 5,5,10,10- two;
The mol ratio of the aryl erythrol of chiral 1,1,4,4- tetra- and POCl3 is 1:2-3.
2. preparation method according to claim 1, it is characterised in that:Described tartrate is ethyl tartrate or wine Stone dimethyl phthalate.
3. preparation method according to claim 1, it is characterised in that:The mol ratio of tartrate and RMgBr is 1:6- 8。
CN201610060866.0A 2016-01-28 2016-01-28 A kind of chirality 5,5,10,10 4 aryl two ring [4.4.0] 3,8 bis phosphoric acid and its preparation method and application Expired - Fee Related CN105541918B (en)

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