CN106749302A - E‑3‑(苯基衍生物‑次甲基)‑吡喃并二氢黄酮衍生物及制备及应用 - Google Patents
E‑3‑(苯基衍生物‑次甲基)‑吡喃并二氢黄酮衍生物及制备及应用 Download PDFInfo
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- CN106749302A CN106749302A CN201611105678.1A CN201611105678A CN106749302A CN 106749302 A CN106749302 A CN 106749302A CN 201611105678 A CN201611105678 A CN 201611105678A CN 106749302 A CN106749302 A CN 106749302A
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- pyrans
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- flavanone
- methine
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
- A61K8/498—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Animal Behavior & Ethology (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明公开了一种E‑3‑(苯基衍生物‑次甲基)‑吡喃并二氢黄酮衍生物及制备及应用,其结构通式如(Ⅰ)所示,其中:R1可为‑H、‑CH3、‑CH2CH3、‑CH2CH2CH3、‑CH=C(CH3)2、‑CH=C(CH3)CH2CH2CH=C(CH3)2;R2可为‑H、‑CH3;R3可为‑H、‑OH;R4可为‑H、‑OH、‑OCH3、‑N(CH3)2、‑F、‑Cl中单基团或多基团;R5可为‑OH、‑OCH3、‑N(CH3)2‑F、‑Cl、‑COOH中单基团或多基团;X可为‑CH或‑CH2。以吡喃并二氢黄酮类化合物经有机胺催化,与苯甲醛衍生物一步反应制得。工艺简单,利于工业化生产。且具有较好的抗炎、抗氧化作用,具有潜在的临床应用前景。
Description
技术领域:
本发明领域属于化学、化妆品和医药,涉及一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物及制备及应用。
背景技术
黄酮类化合物在自然界中种类繁多,含量丰富,提取制备工艺简单,价格低廉。由于天然黄酮系植物酶的次生代谢产物,多含有酚羟基。由于酚羟基分布不均匀,分占两个苯环,未形成邻二酚OH,抗氧化性作用较弱,代表性的化合物如橙皮苷、柚皮苷、新橙皮苷、地奥司明、野漆树苷、芹菜素、橙皮素、柚皮素、甲基橙皮苷。即使含有邻二酚羟基,由于两个苯环具有较好的共平面性,分子与分子易于层层排列,形成结晶,水溶性低。
绿色植物合成黄酮类化合物,主要在植物体内发挥抗氧化、抗菌、抗病毒、抗炎的功效,用于保护植物。黄酮类化合物水溶性较低,为了发挥功效,在植物体内常合成苷类化合物。由于苷类化合物极性较大,难以通过动物体内的细胞膜,生物利用度角度。在动物体内吸收,大多数是利用肠道细菌,对苷类的降解,产生苷元被吸收,吸收量有限,导致黄酮苷类化合物生物利用度低下,代表性的化合物,如橙皮苷、地奥司明、黄芩苷。
在黄酮3-位引入取代基,与黄酮-2-苯基存在空间位阻,发生扭曲,水溶性增加,代表性化合物如芦丁。由于天然黄酮多存在5,7-二OH,对黄酮的A环有显著的活化作用,当在在黄酮-3位引入取代基,导致A环上也能发生反应,副产物较多,且性质相近,难以分离,产率不高,其研究受限。因此,对5,7-二OH二氢黄酮的3位进行取代,一直受到制约。
当对7-OH进行苄基、甲氧基等保护,容易开环,生成査尔酮,具有较好的惰性,无法再进行羟醛缩合。因此,对于含有7-OH的二氢黄酮,在其3-位和苯甲醛及其衍生物缩合,有着及其严重的困难。
用酸酐保护7-OH,形成酯键,由于羟醛缩合,需要酸碱催化,酯键容易水解,导致副反应较多,产率不高,因此酯键保护同样受到明显限制。
多环类化合物,具有较好的活性:由饱和环构成的,如四环三萜皂苷、五环三萜皂苷、强行苷等甾环;由芳香环构成的如木脂素、黄酮、蒽醌虽也有一定活性,分子中环的个数还是过于单薄,继续增加其环状化合物,有利于增大其比表面积,进而增加和靶标的结合力,有利于提高活性。
发明内容
本发明提供一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物及制备及应用,其调节二氢黄酮7,8-吡喃吡喃环上的取代基、3-次甲基苯基上的取代基,构建有着不同极性的新型黄酮,提升二氢黄酮中双键、酚羟基、形成较大的共轭结构,以及合适的脂水分配系数,以期在抗炎、抗氧化、抗菌、抗病毒、抗肿瘤、扩张心脑血管等作用具有更好的活性。
本发明一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物,其结构通式如(Ⅰ)所示,
其中:R1可为-H、-CH3、-CH2CH3、-CH2CH2CH3、-CH=C(CH3)2、-CH=C(CH3)CH2CH2CH=C(CH3)2;R2可为-H、-CH3;R3可为-H、-OH;R4可为-H、-OH、-OCH3、-N(CH3)2、-F、-Cl中单基团或多基团;R5可为-OH、-OCH3、-N(CH3)2-F、-Cl、-COOH中单基团或多基团;X可为-CH或-CH2。
本发明另一目的是公开一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物制备,其是以吡喃并(7,8)-二氢黄酮,在极性溶剂中,以有机碱+有机酸为催化剂,与苯甲醛衍生物通过aldol condensation反应制得,其中吡喃并(7,8)-二氢黄酮与苯甲醛衍生物的质量mol比例为3:1-1:3,控制反应温度在室温-100℃,控制反应时间为1h-72h。
本发明所述的吡喃并(7,8)-二氢黄酮,其结构式见(II),
其中:R1、R2、R3与结构(I)中的R1、R2、R3、X基团含义相同,R1可为-H、-CH3、-CH2CH3、-CH2CH2CH3、-CH=C(CH3)2、-CH=C(CH3)CH2CH2CH=C(CH3)2;R2可为-H、-CH3;R3可为-H、-OH;R4可为-H、-OH、-OCH3、-N(CH3)2、-F、-Cl中单基团或多基团;X可为-CH或-CH2。
本发明所述的苯甲醛衍生物,结构式见(III)
其中:R5与结构(I)中的R4基团含义相同:可为-OH、-OCH3、-N(CH3)2-F、-Cl、-COOH中单基团或多基团。
本发明所述的极性溶剂为DMSO、THF、醇类任意一种,所述的醇类为甲醇、乙醇、丙醇、异丙醇、乙二醇、丙二醇、丙三醇任意一种。
本发明所述的有机碱为二甲胺、二乙胺、四氢吡咯、哌啶、吗啉任意一种,优选为四氢吡咯。
本发明所述的有机酸,为甲酸、乙酸、丙酸、丁酸、戊酸、己酸、苯甲酸、苯乙酸、苯丙酸,乳酸、琥珀酸、酒石酸,优选为冰醋酸。
本发明反应条件温和,可在醇、THF、DMSO中进行,aldol condensation反应部位单一,产物易于提纯,整个制备工艺简单,有利于工业化生产。
本发明的原理是:
5,7-二OH二氢黄酮化合物,易于制备5-OH-吡喃并(7,8)-二氢黄酮。本发明利用天然界含量丰富,提取工艺简单,价格低廉的橙皮素、柚皮素为原料。通过制环,增加3-次甲基-苯基衍生物,增加了环数目、并可增加酚OH、-OCH3、胺基,显著扩大了共轭性,脂水分配系数易于调节,得到颜色丰富多彩的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物,在水溶性、醇溶性、抗氧化能增加,在抗菌、抗炎、抗氧化、抗病毒、心脑血管保护等方面作用,较原有的黄酮具有先天优势,更易制备成合适的制剂,使其具有进一步应用在食品、药品、化妆品领域,潜在的临床应用前景及潜在的经济效益和社会效益。
具体实施方式:下面结合本发明实施例对本发明进一步的详细说明。本发明实施例公开了E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备的方法。本领域技术人员可以借鉴本文内容,适当改进工艺参数实现。特别需要指出的是,所有类似的替换和改动对本领域技术人员来说是显而易见的,它们都被视为包括在本发明。本发明的应用已经通过较佳实施例进行了描述,相关人员明显能在不脱离本发明内容、精神和范围内对本文所述的应用进行改动或适当变更与组合,来实现和应用本发明技术。
为了进一步理解本发明,下面结合实施例对本发明进行详细说明。
实施例1:E-3-(3,4,5-三OCH3苯次甲基)-8,8-二甲基吡喃并橙皮素的制备:取8,8-二甲基吡喃并橙皮素0.404g,3,4,5-三OCH3苯甲醛0.223g,四氢呋喃5.0mL,吡咯140μL,冰醋酸130μL,70℃密闭反应24h。回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=3/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得橙黄色固体412mg(Cpd1)。1H NMR(400MHz,CDCl3)δ12.92(s,1H:5-OH),7.97(s,1H:1”-H),7.10(d,J=2.1Hz,1H:2'-H),6.90(dd,J=8.3,1.9Hz,1H:6'-H),6.78(d,J=8.3Hz,1H:5'-H),6.57(d,J=10.1Hz,1H:10-H),6.48(d,3H:3”-H+7”-H+H-2),5.83(s,1H:6-H),5.62(s,1H:3'-OH),5.44(d,J=10.1Hz,1H:9-H),3.86(s,6H:4'-OCH3+5”-OCH3),3.65(s,6H:6”-OCH3+4”-OCH3),1.39(d,J=10.2Hz,6H:(8-CH3)2;13C NMR(101MHz,CDCl3)δ185.01(C-4),162.33(C-6a),159.72(C-5),159.21(C-10aa),153.18(C-4”+C-6”),147.00(C-4'),146.03(C-3'),139.54(C-1”),138.81(C-5”),131.25(C-1'),130.54(C-3),129.37(C-9),125.84(C-2”),119.60(C-6'),115.26(C-10),114.01(C-2'),110.41(C-5'),107.53(C-3”+C-7”),103.27(C-4a),103.01(C-10a),96.89(C-6),78.35(C-8),77.74(C-2),60.97(5”-OCH3),55.94(4”-OCH3+6”-OCH3+4'-OCH3),28.63(8-CH3),28.59(8-CH3);ES-,1.02e6,[M-H]-555.45(100%),[M]-556.41,[M+H]-557.49;ES+,1.88e6,[M+H]+547.42(100%),[M+H]+548.37,[M+Na]+569.41,[M+Na+H]+570.36,[M+K]+585.33,[M+K+H]+586.32;calcalc.for:C31H30O9,反应式如下:
实施例2:E-3-(3,4-二OCH3苯次甲基)-8,8-二甲基吡喃并橙皮素的制备:取,8-二甲基吡喃并橙皮素0.368g,3,4-二OCH3苯甲醛0.180g,四氢呋喃5.0mL,吡咯120μL,冰醋酸100μL,70℃密闭反应24h。回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=3.5/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得橙黄色382mg(Cpd2)。1H NMR(400MHz,CDCl3)δ12.97(s,1H:5-OH),7.99(s,1H:1”-H),7.11(d,J=2.1Hz,1H:2'-H),6.90(dd,J=8.3,1.8Hz,2H:H-6'+7”-H),6.84(d,J=8.4Hz,1H:5'-H),6.77(d,J=8.0Hz,2H:6”-H+3”-H),6.57(d,J=10.0Hz,1H:10-H),6.49(s,1H:H-2),5.83(s,1H:H-6),5.63(s,1H:3'-OH),5.43(d,J=10.0Hz,1H:9-H),3.87(d,6H:4'-OCH3+5”-OCH3),3.67(s,3H:4”-OCH3),1.39(d,6H:(8-CH3)2;13C NMR(101MHz,CDCl3)δ185.25(C-4),162.16(C-7),159.67(C-5),159.18(C-10aa),150.63(C-5”),148.90(C-4”),146.98(C-4'),146.02(C-3'),138.83(C-1”),131.18(C-1'),129.33(C-3),126.86(C-9),125.77(C-2”),124.17(C-6'),119.46(C-7”),115.31(C-10),114.00(C-2'),113.07(C-5'),111.15(C-6”),110.43(C-3”),102.99(C-10a),103.28(C-4a),96.84(C-6),78.28(C-8),77.65(C-2),55.71(4”-OCH3),55.93(5”-OCH3),55.91(4”-OCH3),28.62(8-CH3),28.53(8-CH3);ES-,5.66e5,[M-H]-515.37(100%),[M]-516.28,[M+H]-517.44,[M+K]-555.45;ES+,2.59e6,[M+H]+517.44(100%),[M+H]+517.15,[M+2H]+518.86,[M+Na]+539.52,[M+Na+H]+540.45,[M+K]+555.26;cal calc.for:C30H28O8,反应式如下:
实施例3:E-3-(3,4,5-三OCH3苯次甲基)-8,8-二甲基二氢吡喃并橙皮素的制备:
称取8,8-二甲基二氢吡喃并橙皮素0.154g,三OCH3苯甲醛0.084g,四氢呋喃4.0mL,四氢吡咯40ul,冰醋酸30μL,75℃搅拌反应24h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=3/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得黄色固体161mg(Cpd3)。
1H NMR(400MHz,CDCl3)δ13.00(s,1H:5-OH),7.96(s,1H:1”-H),7.10(d,J=1.8Hz,1H:2'-H),6.90(dd,J=8.3,1.8Hz,1H:6'-H),6.78(d,J=8.3Hz,1H:5'-H),6.5(s,2H:3”-H+7”-H),6.46(s,H:2-H),5.82(s,1H:6-H),5.60(s,1H:3'-OH),3.85(6H:4'-OCH3+5”-OCH3),3.65(s,6H:6”-OCH3+4”-OCH3),2.14-2.69(M,2H:10-CH2),1.56-1.79(M,2H:9-CH2),1.29-1.31(s,6Hz,(8-CH3)2);13C NMR(101MHz,CDCl3)δA环:163.10(C-6a),97.06(C-6),162.21(C-5),102.19(C-4a),157.57(C-10aa),102.82(C-10a);B环:131.45(C-1'),114.03(C-2'),145.96(C-3'),146.88(C-4'),110.37(C-5'),119.61(C-6'),55.94(4'-OCH3),C环:77.45(C-2),130.99(C-3),184.93(C-4);D环:27.01(8-CH3),26.63(8-CH3),76.29(C-8),31.87(C-9),15.67(10-CH2);E环:139.44(C-1”),129.50(C-2”),107.49(C-3”+C-7”),153.16(C-4”+C-6”),138.49(C-5”),60.96(5”-OCH3),55.90(4”-OCH3+6”-OCH3);ES-,1.46e5,[M-H]-547.41(100%),[M]-548.35;ES+,2.20e6,[M+H]+549.4,[M+Na]+571.441(100%),[M+Na+H]+572.36,[M+K]+587.46,[M+K+H]+588.49;cal calc.for:C31H32O9,反应式如下:
实施例4:E-3-(3,4-二OH苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素的制备:称取8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.622g,3,4-二OH苯甲醛0.200g,四氢呋喃5.0mL,四氢吡咯70μL,冰醋酸60μL,60℃搅拌反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2/1为洗脱剂,收集橘黄棕色色带,回收溶剂,以10%乙醇加热洗涤,弃去乙醇液,旋干,得深橘黄色固体418mg(Cpd4)。1H NMR(400MHz,CDCl3)δ12.85(d,J=2.5Hz,1H:5-OH),7.84(1H:1"-H),7.06(d,J=1.7Hz,1H:2'-H),6.85(dd,J=8.3,1.9Hz,2H:6'-H+3"-H),6.79–6.68(m,3H:5'-H+7”-H+6”-H),6.60(d,J=10.2Hz,1H:10-H),6.45(s,1H:H-2),5.6-6.2(4H:6-H+3'-OH+4”-OH+5”-OH),5.38(dd,J=10.2,6.9Hz,1H:9-H),5.05(m,1H:13-H),3.83(s,3H:4-OCH3),2.03(td,J=15.1,7.6Hz,2H:12-CH2),1.78–1.67(m,2H:11-CH2),1.58(dd,6H:14-(CH3)2),1.36(d,J=8.3Hz,3H:8-CH3);13C NMR(101MHz,CDCl3)δA环:162.81(C-7),96.82(C-6),159.78(C-5),103.18(C-4a),159.03(C-10aa),102.93(C-10a);B环130.93(C-1'),113.93(C-2'),146.24(C-3'),146.93(C-4'),110.60(C-5'),119.50(C-6');C环:185.69(C-4),129.08(C-3),80.93(C-2);D环:77.23(C-8),27.48(8-CH3),124.77(C-9),115.87(C-10),41.86(C-11),22.65(C-12),123.80(C-13),131.92(C-14),25.66(14-CH3),17.64(14-CH3);E环139.11(C-1”),126.76(C-2”),115.65(C-3”),143.61(C-4”),145.72(C-5”),116.99(C-6”),124.53(C-7”)。ES-,1.02e6,[M-H]-555.45(100%),[M]-556.41,[M+H]-557.49;ES+,9.39e5,[M+H]+557.36(100%),[M+Na]+579.34,[M+Na+H]+580.17;cal calc.for:C33H32O8,反应式如下:
实施例5:E-3-(4-OH苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素的制备:称取8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.440g,4-OH苯甲醛0.123g,四氢呋喃5.0mL,四氢吡咯60μL,冰醋酸50μL,60℃搅拌反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2.5/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得深橘黄色固体396mg(Cpd5)。1H NMR(400MHz,CDCl3)δ12.93(s,1H:5-OH),7.95(s,1H:1”-H),7.17(d,8.4Hz,2H:3”-H+7”-H),7.09(d,1.9Hz,1H:2'-H),6.89(1H:6'-H),6.84-6.74(q,3H:5'-H+6”-H+4”-H),6.60(dd,J=10.2Hz,7.3Hz,1H:10-H),6.45(s,1H:2-H),5.84(s,1H:6-H),5.37(dd,J=10.2,1H:9-H),5.05(m,1H:13-H),3.86(s,3H:4'-OCH3),2.02(m,2H:12-CH2),1.76–1.49(m,8H:11-CH2+(14-CH3)2),1.36(d,3H:8-CH3)。13C NMR(101MHz,CDCl3)δ:A环:162.56(C-6a),96.71(C-6),159.72(C-5),103.20(C-4a),159.08(C-10aa),102.77(C-10a);B环:131.06(C-1'),113.91(C-2'),145.96(C-3'),146.95(C-4'),110.47(C-5'),119.41(C-6'),55.89(4”-OCH3),C环:80.71(C-2),128.84(C-3),185.54(C-4);D环:29.72(8-CH3),77.24(C-8),124.67(C-9),115.96(C-10),41.84(C-11),22.58(12-CH2),123.84(C-13),131.88(C-14),25.63(14-CH3),17.65(14-CH3)(D环及侧链受手性影响,峰分裂);E环:138.83(C-1”),126.21(C-2”),132.42(C-3”+C-7”),116.04(C-4”+C-6”),158.12(C-5”)。ES-,3.75e6,[M-H]-539.44(100%),[M]-540.41,[M]-541.39;ES+,5.24e6,[M+H]+541.47(100%),[M+H]+542.43,[M+Na]+563.33。cal calc.for:C33H32O7,反应式如下:
实施例6:E-3-(3-OH-4-OCH3苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素的制备:称取CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.424g,3-OH-4-OCH3-苯甲醛0.148g,四氢呋喃5.0mL,四氢吡咯60μL,冰醋酸50μL,60℃密闭搅拌反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2.5/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得橘黄色固体252mg(Cpd 6)。1H NMR(400MHz,CDCl3)δ12.93(s,1H:5-OH),7.92(s,1H:1”-H),7.08(s,1H:2'-H),6.87(d,2H:7”-H+6'-H),6.82(2H:3”-H+5'-H),6.77(d,J=8.4Hz,1H:6”-H),6.60(dd,J=10.2Hz,7.3Hz,1H:10-H),6.49(s,1H:2-H),5.84(s,1H:6-H),5.60(d,J=3.4Hz,2H:3'-OH+4”-OH),5.37(dd,J=10.2,1H:9-H),5.05(d,J=6.5Hz,1H:13-H),3.90(s,3H:5”-OCH3),3.86(s,3H:4'-OCH3),2.02(dd,J=19.3,7.9Hz,2H:12-CH2),1.76–1.49(m,8H:11-CH2+(14-CH3)2),1.36(d,J=6.3Hz,3H:8-CH3);13C NMR(101MHz,CDCl3)δA环:162.58(C-6a),96.71(C-6),159.76(C-5),103.23(C-4a),159.11(C-10aa),102.89(C-10a);B环:131.08(C-1'),113.87(C-2'),145.67(C-3'),146.92(C-4'),110.46(C-5'),119.30(C-6'),55.89(4”-OCH3);C环:185.43(C-4),129.79(C-3),80.76(C-2);D环:138.58(C-1”),127.48(C-2”),116.11(C-3”),145.99(C-4”),148.11(C-5”),110.64(C-6”),123.44(C-7”),55.99(5”-OCH3);E环:77.30(C-8),27.47(8-CH3),124.65(C-9),115.97(C-10),41.85(C-11),22.58(C-12),23.85(C-13),131.86(C-14),25.62(14-CH3),17.64(14-CH3)。ES-,6.27e5,[M-H]-569.46(100%),[M]-570.49,[M+H]-571.33;ES+,2.23e6,[M+H]+571.49(100%),[M+2H]+572.53,[M+Na]+593.46,[M+Na+H]+594.43。cal calc.for:C34H34O8,反应式如下:
实施例7:E-3-(3,4,5-三OCH3苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素的制备:称取CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.268g,3,4,5-三OCH3苯甲醛0.121g,四氢呋喃5.0mL,四氢吡咯50μL,冰醋酸40μL,70℃密闭搅拌回流反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=3/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得橘黄色固体200mg(Cpd 7)。1H NMR(400MHz,CDCl3)δ12.92(s,1H:5-OH),7.96(s,1H:1”-H),7.10(d,J=1.8Hz,1H:2'-H),6.90(dd,J=8.3,1.8Hz,1H:6'-H),6.78(d,J=8.3Hz,1H:5'-H),6.61(d,J=10.2Hz,1H:10-H),6.48(3H:3”-H+7”-H+H-2),5.81(s,1H:6-H),5.66(s,1H:3'-OH),5.38(d,J=10.2,1H:9-H),5.05(m,1H:13-H),3.85(6H:4'-OCH3+5”-OCH3),3.65(s,6H:6”-OCH3+4”-OCH3),2.03(m,2H:12-CH2),1.72-1.62(M,8H:11-CH2+8-CH3+14-CH3),1.36(d,3H:14-CH3)。13C NMR
(101MHz,CDCl3)δA环:162.77(C-6a),159.75(C-5),159.15(C-10aa),107.52(C-4a),103.19(C-10a),96.74(C-6);B环:131.28(C-1'),115.90(C-2'),146.03(C-3'),147.00(C-4'),114.04(C-5'),119.61(C-6'),55.95(4'-OCH3);C环:80.79(C-2),130.56(C-3),184.94(C-4);D环:77.75(C-8),27.19(8-CH3),124.75(C-9),115.90(C-10),41.65(C-11),22.58(C-12),123.80(C-13),131.83(C-14),25.60(14-CH3),17.55(14-CH3);E环:139.52(C-1”),129.39(C-2”),110.41(C-3”+C-7”),153.18(C-4”+C-6”),138.74(C-5”),60.97(5”-OCH3),55.95(4”-OCH3+6”-OCH3)。ES-,5.18e5,[M-H]-613.52,[M]-614.45,[M+K]-653.37,[M+H-CH3]-600.61;ES+,5.93e6,[M+H]+615.53,[M+Na]+637.50(100%),[M+Na+H]+638.50,[M+K]+653.47,[M+K+H]+654.43。cal calc.for:C34H34O8,反应式如下:
实施例8:E-3-(N,N-二CH3苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素的制备:称取CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.268g,N,N-二CH3苯甲醛0.121g,四氢呋喃5.0mL,四氢吡咯50μL,冰醋酸40μL,70℃密闭搅拌回流反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=4.5/1为洗脱剂,收集橘红色色色带,回收溶剂,得橘红色固体250mg(Cpd 8)。1H NMR(400MHz,CDCl3)δ13.19(s,1H:5-OH),7.98(s,1H:1”-H),7.21(d,J=8.7Hz,2H:3”-H+7”-H),7.13(d,J=2.1Hz,1H:2'-H),6.94–6.86(m,1H:6'-H),6.75(d,J=8.4Hz,1H:5'-H),6.62(dd,3H:10-H+4”-H+6”-H),6.54(s,1H:H-2),5.83(s,1H:6-H),5.60(s,1H:3'-OH),5.36(dd,J=10.1,7.3Hz,1H:9-H),5.06(m,J=6.9Hz,1H:13-H),3.85(s,3H:4'-OCH3),3.00(s,6H:5”-N(CH3)2),2.14–1.93(m,2H:12-CH2),1.76–1.53(m,8H:11-CH2+8-CH3+14-CH3),1.35(d,J=7.4Hz,3H:14-CH3)。13C NMR(101MHz,CDCl3)δA环:162.09(C-6a),96.56(C-6),159.67(C-5),103.25(C-4a),159.11(C-10aa),102.72(C-10a);B环:131.43(C-1'),114.03(C-2'),145.92(C-3'),146.83(C-4'),110.36(C-5'),119.40(C-6'),55.89(4”-OCH3);C环:80.56(C-2),126.01(C-3),185.43(C-4);D环:27.43(8-CH3),77.73(C-8),124.51(C-9),116.13(C-10),41.83(C-11),22.68(12-CH2),123.92(C-13),131.84(C-14),25.69(14-CH3),17.66(14-CH3)(D环及侧链受手性影响,峰分裂);E环:139.66(C-1”),121.66(C-2”),132.77(C-3”+C-7”),111.80(C-4”+C-6”),151.37(C-5”),40.02(N-CH3)2。ES+,1.55e6,[M+H]+568.50,[M+2H]+569.45,[M+3H]+570.40,[M+Na]+590.46,[M+Na+H]+591.45,[M+Na+2H]+592.41,cal calc.for:C35H37NO6,反应式如下:
实施例9:E-3-(4-OH苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃吡喃并柚皮素的制备:称取8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.311g,4-OH苯甲醛0.094g,四氢呋喃5.0mL,四氢吡咯45μL,冰醋酸40μL,70℃密闭搅拌回流反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2.5/1为洗脱剂,收集橘黄色色带,回收溶剂,得橘黄色固体288mg(Cpd 9)。1H NMR(400MHz,CDCl3)δ12.91(1H:5-OH),7.95(s,1H:1”-H),7.30(t,J=7.7Hz,2H:3”-H+7”-H),7.15(t,J=7.7Hz,2H:2'-H+6'-H),6.79(dd,J=7.77,2.2Hz,4H:3'-H+5'-H+4”-H+6”-H),6.60(d,J=10.2Hz,1H:10-H),6.47(s,1H:H-2),5.83(s,1H:6-H),5.38(dd,J=10.2Hz,1H:9-H),5.04(m,1H:13-H)),2.03(td,J=15.5,8.0Hz,2H:12-CH2),1.77–1.52(m,8H:11-CH2+8-CH3+14-CH3),1.36(3H:14-CH3);13C NMR(101MHz,CDCl3)δA环:162.96(C-6a),96.81(C-6),159.83(C-5),103.22(C-4a),159.02(C-10aa),102.98(C-10a);B环:129.81(C-1'),129.04(C-2'+C-6'),116.03(C-3'+C-5'),157.65(C-4');C环:81.05(C-2),129.07(C-3),185.81(C-4);D环:27.47(8-CH3),77.24(C-8),124.86(C-9),115.72(C-10),41.85(C-11),22.58(12-CH2),123.77(C-13),131.94(C-14),25.66(14-CH3),17.64(14-CH3)(D环及侧链受手性影响,峰分裂);E环:138.89(C-1”),126.45(C-2”),132.45(C-3”+C-7”),115.83(C-4”+C-6”),156.12(C-5”);ES-,2.21e6,[M-H]-509.40(100%),[M]-510.37,[M+H]-511.37;ES+,2.62e6,[M+H]+511.42(100%),[M+2H]+512.34.cal calc.for:C32H30O6,反应式如下:
实施例10:E-3-(3,4-二OH苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并柚皮素的制备:称取8-CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.326g,3,4-二OH苯甲醛0.110g,四氢呋喃5.0mL,四氢吡咯50μL,冰醋酸45μL,70℃密闭搅拌回流反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2/1为洗脱剂,收集橙红色色带,回收溶剂,得橙红色固体246mg(Cpd 10)。1H NMR(400MHz,CDCl3)δ12.86(d,J=1.8Hz,1H:5-OH),7.87(s,1H:1”-H),7.26(d,J=6.8Hz,2H:2'-H+6'-H),6.82(d,J=8.0Hz,1H:3”-H),6.74(d,J=9.1Hz,4H:3'-H+5'-H+3”-H+6”-H),6.61(d,J=10.1Hz,1H:10-H),6.49(s,1H:H-2),5.86(s,1H:6-H),5.41(dd,J=10.1,6.6Hz,1H:9-H),5.12–5.00(m,1H:13-H),2.05(dd,J=17.3,8.4Hz,2H:12-CH2),1.82–1.55(m,8H:11-CH2+8-CH3+14-CH3),1.38(d,J=12.9Hz,3H:14-CH3).13C NMR(101MHz,CDCl3)δA环:162.33(C-6a),96.97(C-6),159.71(C-5),103.30(C-4a),159.09(C-10aa),103.03(C-10a);B环:130.91(C-1'),129.00(C-2'+C-6'),115.99(C-3'+C-5'),157.59(C-4');C环:81.02(C-2),125.88(C-3),185.74(C-4);D环:28.54(8-CH3),78.41(C-8),126.47(C-9),115.78(C-10),41.64(C-11),22.65(12-CH2),123.47(C-13),132.42(C-14),25.68(14-CH3),17.58(14-CH3)(D环及侧链受手性影响,峰分裂);E环:138.95(C-1”),119.46(C-2”),145.83(C-4”),110.58(C-3”),146.97(C-5”),113.87(C-6”),115.25(C-7”)。ES-,4.72e6,[M-H]-525.41(100%),[M]-526.40,[M+H]-527.32;ES+,3.00e6,[M+H]+527.41(100%),[M+H]+528.40,[M+2H]+528.86,[M+Na]+549.43。cal calc.for:C32H30O7,反应式如下:
实施例11:
E-3-(3-OH-4-OCH3-苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并柚皮素的制备:称取CH3-8-(4-CH3-戊-3-烯)-吡喃并橙皮素0.322g,3-OH-4-OCH3苯甲醛0.120g,无水乙醇5.0mL,四氢吡咯50μL,冰醋酸45μL,70℃密闭搅拌反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2.5/1为洗脱剂,收集橙黄色色带,回收溶剂,得橘黄色固体298mg(Cpd11)。1H NMR(400MHz,CDCl3)δ12.95(s,1H:5-OH),7.95(s,1H:1”-H),7.33(t,J=7.1Hz,2H:H+3”-H+7”-H),6.89-6.78(m,5H:6”-H+6'-H+2'-H+3'-H+5'-H),6.63(d,J=10.2Hz,1H:10-H),6.54(s,1H:H-2),5.85(s,1H:6-H),5.47–5.37(m,1H:9-H),5.13–5.00(m,1H:13-H),3.93(s,3H:5”-OCH3),2.06(m,2H:12-CH2),1.81–1.56(m,8H:11-CH2+8-CH3+14-CH3),1.38(d,3H:14-CH3)。13C NMR(101MHz,CDCl3)δA环:162.76(C-6a),96.72(C-6),159.83(C-5),103.26(C-4a),159.02(C-10aa),102.81(C-10a);B环:129.90(C-1'),129.05(C-2'+C-6'),115.77(C-3'+C-5'),156.14(C-4');C环:80.91(C-2),128.85(C-3),185.65(C-4);D环:27.45(8-CH3),77.24(C-8),124.73(C-9),115.89(C-10),41.85(C-11),22.58(12-CH2),123.80(C-13),131.90(C-14),25.63(14-CH3),17.64(14-CH3)(D环及侧链受手性影响,峰分裂);E环:138.74(C-1”),127.39(C-2”),116.08(C-3”),145.64(C-4”),148.20(C-5”),110.68(C-6”),123.58(C-7”);ES-,7.06e5,[M-H]-539.23(100%),[M]-540.06;ES+,2.05e6,[M+H]+541.39(100%),[M+H]+542.43,[M+2H]+528.86,[M+Na]+563.36,[M+Na+H]+563.36。cal calc.for:C32H30O7,反应式如下:
实施例12:
E-3-(4-(N,N-二甲基)-苯次甲基)-8-CH3-8-(4-CH3-戊-3-烯)-吡喃并柚皮素的制备:称取CH3-8-(4-CH3-戊-3-烯)-吡喃并柚皮素0.355g,对二甲胺基苯甲醛0.133g,无水乙醇5.0mL,四氢吡咯45μL,冰醋酸40μL,70℃密闭搅拌反应48h,回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2.5/1为洗脱剂,收集橘红色色带,回收溶剂,得红棕色色固体342mg(Cpd12)。1H NMR(400MHz,CDCl3)δ13.17(s,1H:5-OH),7.98(s,1H:1”-H),7.32(d,J=7.8Hz,2H:3”-H+7”-H),7.19(d,J=8.7Hz,2H:2'-H+6'-H),6.75(d,J=8.1Hz,2H:3'-H+5'-H),6.60(m,3H:4”-H+6”-H+10-H),6.57(s,1H:H-2),5.83(s,1H:6-H),5.36(m,1H:9-H),5.05(d,J=6.0Hz,1H:13-H),2.98(d,J=11.8Hz,6H:5”-N(CH3)2,2.04(dt,J=19.7,7.8Hz,2H:12-CH2),1.76–1.52(m,8H:11-CH2+8-CH3+14-CH3),1.35(d,J=9.9Hz,3H:14-CH3)。13CNMR(101MHz,CDCl3)δA环:162.29(C-6a),96.50(C-6),159.06(C-5),103.25(C-4a),159.77(C-10aa),102.88(C-10a);B环:129.99(C-1'),129.12(C-2'+C-6'),115.66(C-3'+C-5'),156.29(C-4');C环:80.71(C-2),128.94(C-3),185.64(C-4);D环:27.41(8-CH3),80.71(C-8),124.57(C-9),116.06(C-10),41.84(C-11),22.60(12-CH2),123.88(C-13),131.86(C-14),25.64(14-CH3),17.64(14-CH3)(D环及侧链受手性影响,峰分裂);E环:139.85(C-1”),126.05(C-2”),132.83(C-3”+C-7”),111.83(C-4”+C-6”),151.44(C-5”),40.01(N-CH3)2。ES+,1.02e6,[M+H]+538.50,[M+H]+539.62。cal calc.for:C34H35NO5,反应式如下:
实施例13:
E-3-(3,4-二OH苯次甲基)-8,8-二甲基吡喃并柚皮素的制备:取8,8-二甲基吡喃并柚皮素0.325g,3,4-二OH苯甲醛0.132g,四氢呋喃5.0mL,吡咯60ul,冰醋酸55ul,70℃密闭反应48h。回收反应液至体积1/2,硅胶拌样,以石油醚-乙酸乙酯=2/1为洗脱剂,收集橘黄棕色色带,回收溶剂,得橙红色固体251mg(Cpd13)。ES-,1.73e6,[M-H]-457.35(100%),[M]-458.34,[M+H]-459.25;ES+,2.54e6,[M+H]+459.40(100%),[M+2H]+460.33,[M+Na]+481.35,[M+Na+H]+482.18,cal calc.for:C27H22O7,反应式如下:
实施例14
目的:测定其结构修饰产物后溶解度的变化,以橙皮素、柚皮素的脱氢修饰产物为对照,根据药典对极易溶解、易溶、溶解、略溶、微溶、难溶的规定。取供实验化合物10mg,用移液枪或移液管加入不同溶剂,密闭超声20s,密闭放置1h后观察溶解现象,如果不溶,继续增加溶剂体积用量,重复上述操作记录溶液体积用量。根据药典规定,判断化合物溶解性能,见表1,
表1香叶木素、芹菜素及橙皮素、柚皮素结构修饰产物在不同溶剂中溶解度对照
表1表明吡喃环并橙皮素、吡喃环并柚皮素经过结构3-次甲基苯衍生物的结构修饰,新引入的E环,含有极性基团,如羟基、胺基,甲氧基等,增大了同溶剂的作用力;此外,因空间位阻作用,B、E环发生发生扭曲,共平面变差,显著增加了溶解性,溶解性能优良。比橙皮素、柚皮素、香叶木素、芹菜素等黄酮类化合物,溶解度好很多。
实施例15
目的:初步评价结构修饰产物对抗氧化能力的影响:采用DPPH法,以橙皮素作为对照,进行说明。
对DPPH·清除试验:DPPH·是一种稳定的自由基,其醇溶液呈深紫色,在517nm处有一吸收峰。反应系统中的自由基清除剂可以和DPPH的单电子配对而使A517nm降低,因此,根据A517nm的变化来检测自由基的清除情况,评价样品的抗氧化能力。橙皮素设置6个梯度的浓度,为5、10、15、20、25、30、60μg/mL的样品85%乙醇溶液,取2.0mL样品,加人1.0mL,DPPH甲醇溶液(3.0×10-4mol/L),混合30min后在520nm处测定各样品吸光值(Ai),每份样品平行操作3次,最后取其平均值。DPPH·自由基清除率K按公式计算:K(%)=[1-(Ai-Aj)/Ac]×100式中:Ac为2.0mL50%乙醇加入1.0mL DPPH甲醇溶液(3.0×10-4mol/L)混合后的吸光度,Aj为2.0mL样品加入1.0mL,甲醇混合后的吸光度,结果见表2:
表2橙皮素及其结构修饰产物的抗DPPH·的能力
清除DPPH·自由基的剂量主要和供电子有关,增加双键,对抗氧化能力略有增加,增加能够和羰基共轭的羟基,胺基,可以显著提升抗氧化能力。橙皮素分子中含有3个酚羟基,其中两个形成分子内氢键,4-OH中O的孤对电子向羰基转移,电子云密度显著降低,而其结构改造产物cpd4比橙皮素多了3个双键,一个邻二酚羟基,其抗氧化能力显著飙升。同理,cp8也比hespertin抗氧化能力好很多。可以代替后者,可作为食品、药品、化妆品中抗氧剂。
实施例16
目的:初步评价结构修饰产物对抗炎化能力的影响:采用二甲苯诱导小鼠耳肿胀实验法,以橙皮素及其结构修饰产物为例说明。
二甲苯诱导小鼠耳肿胀:取昆明种小鼠132只,按体重随机分为22组,每组6只,雌雄各半,即模型组(灌服0.5%CMC液0.4mL/20g),阳性药组(萘普生45mg/kg),橙皮素、cpd1-8化合物各为两组(分别灌服0.6%及0.3%药品)。以上各组小鼠每日给药1次/d,连续5d,于末次给药后30min,于小鼠右耳前后两面均匀涂抹二甲苯50μL,右耳作对照,致炎后30min脱颈椎处死小鼠,以7mm直径打孔器取下耳缘左、右片,分别用电子天平称重,以左、右耳片重量差表示肿胀度,并计算抑制率(%)=(模型组平均肿胀度-给药组平均肿胀度)/模型组平均肿胀度×100%。进行组间显著差比较实验结果见表3:
表3橙皮素及其衍生物对二甲苯诱导小鼠耳肿胀的影响
与阴性组比*P<0.05,**P<0.01,***P<0.001。
Claims (8)
1.一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物,其结构通式如(Ⅰ)所示,
其中:R1可为-H、-CH3、-CH2CH3、-CH2CH2CH3、-CH=C(CH3)2、-CH=C(CH3)CH2CH2CH=C(CH3)2;R2可为-H、-CH3;R3可为-H、-OH;R4可为-H、-OH、-OCH3、-N(CH3)2、-F、-Cl中单基团或多基团;R5可为-OH、-OCH3、-N(CH3)2-F、-Cl、-COOH中单基团或多基团;X可为-CH或-CH2。
2.一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,是以吡喃并(7,8)-二氢黄酮,在极性溶剂中,以有机碱+有机酸为催化剂,与苯甲醛衍生物通过aldolcondensation反应制得,其中吡喃并(7,8)-二氢黄酮与苯甲醛衍生物的质量mol比例为3:1-1:3,控制反应温度在室温-100℃,控制反应时间为1h-72h。
3.根据权利要求2所述的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,其特征是所述的吡喃并(7,8)-二氢黄酮,其结构式见(II),
其中:R1、R2、R3与结构(I)中的R1、R2、R3、X基团含义相同,R1可为-H、-CH3、-CH2CH3、-CH2CH2CH3、-CH=C(CH3)2、-CH=C(CH3)CH2CH2CH=C(CH3)2;R2可为-H、-CH3;R3可为-H、-OH、-OCH3、-N(CH3)2、-F、-Cl中单基团或多基团;X可为-CH或-CH2。
4.根据权利要求2所述的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,其特征是所述的苯甲醛衍生物,其结构式见(III),
其中:R4与结构(I)中的R4基团含义相同:可为-OH、-OCH3、-N(CH3)2-F、-Cl、-COOH中单基团或多基团。
5.根据权利要求2所述的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,其特征是所述的极性溶剂为DMSO、THF、醇类任意一种,所述的醇类为甲醇、乙醇、丙醇、异丙醇、乙二醇、丙二醇、丙三醇任意一种。
6.根据权利要求2所述的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,其特征是所述的有机碱为二甲胺、二乙胺、四氢吡咯、哌啶、吗啉任意一种。
7.根据权利要求2所述的E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物的制备,其特征是所述的有机酸为甲酸、乙酸、丙酸、丁酸、戊酸、己酸、苯甲酸、苯乙酸、苯丙酸,乳酸、琥珀酸、酒石酸任意一种或几种。
8.一种E-3-(苯基衍生物-次甲基)-吡喃并二氢黄酮衍生物,用于抗炎、抗氧化食品、化妆品组合物,抗菌、抗肿瘤、心脑血管保护的药物的组合物。
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