CN109180734A - 一种dopo衍生物异构体转化方法 - Google Patents
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- 150000001875 compounds Chemical class 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910020881 PMo12O40 Inorganic materials 0.000 claims description 5
- 229910020628 SiW12O40 Inorganic materials 0.000 claims description 5
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- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- UQXKXGWGFRWILX-UHFFFAOYSA-N ethylene glycol dinitrate Chemical group O=N(=O)OCCON(=O)=O UQXKXGWGFRWILX-UHFFFAOYSA-N 0.000 claims 1
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- 239000003063 flame retardant Substances 0.000 abstract description 8
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- 238000010992 reflux Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
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- 238000005406 washing Methods 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000004679 31P NMR spectroscopy Methods 0.000 description 2
- -1 DOPO derivative compound Chemical class 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OTEKOJQFKOIXMU-UHFFFAOYSA-N 1,4-bis(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(C(Cl)(Cl)Cl)C=C1 OTEKOJQFKOIXMU-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical group COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
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- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
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- 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
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- C07F9/657172—Heterocyclic 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 the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: (X = O, S)
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Abstract
本发明提供一种DOPO衍生物异构体的转化方法,该方法在含有低熔点异构体的混合物中加入杂多酸水溶液,能够将低熔点的异构体转化为更加有应用价值的高熔点异构体,使其作为阻燃剂具有更好的性能。
Description
技术领域
本发明涉及一种DOPO衍生物异构体的转化方法。
背景技术
溴系阻燃剂在其应用中会对环境造成危害,更为环保的磷系阻燃剂逐渐受到重视和发展。在环氧树脂板材领域,添加型磷系阻燃剂的应用较为少见,因为它对阻燃剂的熔点和稳定性要求较高,一般的阻燃剂难以达到要求。
专利WO2011123389A1中报道了一种DOPO衍生物化合物I,被认为是环氧树脂领域非常有潜力的阻燃剂。该专利以DOPO和乙二醇(EG)为原料合成该DOPO的衍生物,所得产品为含有化合物I的三个异构体的混合物(对映异构体),其中化合物I(RS型)的熔点最高,由于另外两个低熔点异构体IIa(RR型)和IIb(SS型)的存在,导致产品的熔点只有250度左右,影响了其在某些特殊领域的应用。同时,该专利指出可以采用酸催化剂可以将低熔点异构体转化成高熔点异构体,但其操作较繁琐,并且收率较低。
本申请针对现有技术的不足,提供了一种新的异构体转化方法,该方法能够最大程度将上述低熔点异构体转化为高熔点异构体。
发明内容
本发明提供一种DOPO衍生物异构体的转化方法,该方法在含有低熔点异构体的混合物中加入杂多酸水溶液,能够将低熔点的异构体转化为更加有应用价值的高熔点异构体。
为了解决上述技术问题,发明提供如下技术方案:
一种DOPO衍生物异构体的转化方法,其特征在于:将含有高熔点的式I化合物、低熔点的式IIa和IIb化合物的混合物溶于有机溶剂中,然后加入杂多酸水溶液回流反应,将式IIa和式IIb的化合物转化为式I所示的化合物,得到高纯度的式I化合物。
作为发明优选的方案,杂多酸水溶液选自如下杂多酸一种或多种的水溶液:H4SiMo12O40、H3PW12O40、H4PMo11VO40、H3PMo12O40、H4SiW12O40、H4PW11VO40;进一步优选H4PW11VO40、H4SiW12O40、H3PW12O40、H3PMo12O40;最优选H3PW12O40。
在一个实施方式中,杂多酸水溶液中杂多酸百分含量为50%-80%,优选50%-70%。
进一步的,杂多酸水溶液的用量为混合物重量的20%-40%,优选25%-30%。
进一步的,所述混合物中,式I的含量为0.1%-99%,优选0.1%-60%,更优选0.1%-50%,最优选0.1%-30%。
作为发明优选的实施方式,所述有机溶剂选自乙二醇二甲醚,二苯甲烷、吡咯烷酮。
本发明所述的高纯度指纯度在95%以上,优选在98%以上,更优选在99%以上。
本发明的有益效果:
本发明采用杂多酸水溶液能够高效的将熔点较低的式IIa和IIb化合物转化为熔点更高的式I化合物,从而提高组合物中高熔点式I化合物的含量,使其作为阻燃剂具有更好的性能。
具体实施方式
为了进一步说明本发明的技术方案,对优选的发明实施方式加以说明。
实施例1
将30g含有30%的式I化合物的组合物(式IIa和式IIb含量70%)加入到150ml乙二醇二甲醚中,加入9g质量分数50%H4PW11VO40水溶液,加热回流反应4h,冷却至室温,加入100ml丙酮,搅拌,过滤,丙酮洗涤,干燥,得到白色固体28.31g,取样31P NMR结果显示高熔点异构体比例为99.3%。
实施例2
将50g含有30%的式I化合物的组合物(式IIa和式IIb含量70%)加入到250ml二苯甲烷中,加入15g质量分数60%H3PW12O40水溶液,加热回流反应3h,冷却至室温,加入200ml丙酮,搅拌,过滤,丙酮洗涤,干燥,得到白色固体48.24g,取样31P NMR结果显示高熔点异构体比例为99.8%。
实施例3
将20g含有30%的式I化合物的组合物(式IIa和式IIb含量70%)加入到100ml吡咯烷酮中,加入6g质量分数70%H3PMo12O40水溶液,加热回流反应5h,冷却至室温,加入100ml异丙醇,搅拌,过滤,异丙醇洗涤,干燥,得到白色固体19.12g,取样31P NMR结果显示高熔点异构体比例为98.9%。
实施例4
将10g含有30%的式I化合物的组合物(式IIa和式IIb含量70%)加入到60ml乙二醇二甲醚中,加入3g质量分数65%H4SiW12O40水溶液,加热回流反应6h,冷却至室温,加入80ml丙酮,搅拌,过滤,丙酮洗涤,干燥,得到白色固体9.35g,取样31P NMR结果显示高熔点异构体比例为97.9%。
尽管本发明的内容已经通过上述优选实施例做了详细的介绍,但应当认识到上述的描述不应被认为是对本发明的限制。任何本领域的技术人员能思之的变化,都应落在本申请的保护范围内。
Claims (8)
1.一种DOPO衍生物异构体的转化方法,其特征在于:将含有高熔点的式I化合物、低熔点的式IIa和IIb化合物的混合物溶于有机溶剂中,然后加入杂多酸水溶液回流反应,将式IIa和式IIb的化合物转化为式I所示的化合物,得到高纯度的式I化合物,
2.根据权利要求1的方法,其特征在于,所述杂多酸水溶液选自如下杂多酸一种或多种的水溶液:H4SiMo12O40、H3PW12O40、H4PMo11VO40、H3PMo12O40、H4SiW12O40、H4PW11VO40。
3.根据权利要求1-2任一项所述的方法,其特征在于,所述杂多酸水溶液选自H4PW11VO40、H4SiW12O40、H3PW12O40、H3PMo12O40的水溶液。
4.根据权利要求1-3任一项所述的方法,其特征在于,所述的杂多酸水溶液选自H3PW12O40。
5.根据权利要求1-4任一项所述的方法,其特征在于,所述杂多酸水溶液中杂多酸百分含量为50%-80%,优选50%-70%。
6.根据权利要求1-5任一项所述的方法,其特征在于,杂多酸水溶液的用量为式I、式IIa和IIb化合物总重量的20%-40%,优选25%-30%。
7.根据权利要求1-6任一项所述的方法,其特征在于,所述有机溶剂选自乙二醇二甲醚,二苯甲烷、吡咯烷酮。
8.根据权利要求1-7任一项所述的方法,其特征在于,所述混合物中,式I的含量为0.1%-99%,优选0.1%-60%,更优选0.1%-50%,最优选0.1%-30%。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11106619A (ja) * | 1997-10-03 | 1999-04-20 | Saitou Kaseihin Kenkyusho:Kk | 難燃性ポリエステルおよびその製造方法 |
CN102971333A (zh) * | 2010-03-31 | 2013-03-13 | 雅宝公司 | 制备dopo衍生的化合物及其组合物的方法 |
CN103408594A (zh) * | 2013-07-05 | 2013-11-27 | 江苏雅克科技股份有限公司 | 一种高纯度dopo衍生物的制备方法 |
CN103980310A (zh) * | 2014-05-30 | 2014-08-13 | 天津久日化学股份有限公司 | 苯基双(2,4,6-三甲基苯甲酰基)氧化膦的制备方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11106619A (ja) * | 1997-10-03 | 1999-04-20 | Saitou Kaseihin Kenkyusho:Kk | 難燃性ポリエステルおよびその製造方法 |
CN102971333A (zh) * | 2010-03-31 | 2013-03-13 | 雅宝公司 | 制备dopo衍生的化合物及其组合物的方法 |
CN103408594A (zh) * | 2013-07-05 | 2013-11-27 | 江苏雅克科技股份有限公司 | 一种高纯度dopo衍生物的制备方法 |
CN103980310A (zh) * | 2014-05-30 | 2014-08-13 | 天津久日化学股份有限公司 | 苯基双(2,4,6-三甲基苯甲酰基)氧化膦的制备方法 |
Non-Patent Citations (1)
Title |
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钟邦克 编著: "《精细化工过程催化作用》", 31 August 2002, 中国石化出版社 * |
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