A binuclear copper（I） complex [Cu2（dppm）2（C7H6N2）2]（NO3）2 （C7H6N2 = benzimidazole, dppm = Ph2PCH2PPh2） has been synthesized and characterized by X-ray crystallography.The crystal belongs to monoclinic, space...A binuclear copper（I） complex [Cu2（dppm）2（C7H6N2）2]（NO3）2 （C7H6N2 = benzimidazole, dppm = Ph2PCH2PPh2） has been synthesized and characterized by X-ray crystallography.The crystal belongs to monoclinic, space group C2/c with a = 14.167（3）, b = 21.209（4）, c =20.680（4）A°, β = 103.93（3）°, C32H28CuN3O3P2, Mr = 628.05, Z = 8, μ = 0.868 mm^-1, V = 6031 （2） ,A°^3,F（000） = 2592, De= 1.383 g/cm^3, R = 0.0593 and wR = 0.1736. A total of 5297 independent reflections were collected, of which 3503 were observed with 1 〉 2σ（/）. The central copper atom is tri-coordinated by phosphorus atoms from bridging dppm and nitrogen atom from benzimidazole. In the coordination sphere, the bond lengths of Cu-P（1） and Cu-P（2） are 2.2607（17） and 2.2503（16） A°,respectively and the P-Cu-P bond angle is 127.26（6）°.展开更多
目的研究多枝雾水葛Pouzolzia zeylanica var. microphylla醋酸乙酯部位的化学成分。方法采用95%乙醇回流提取,系统溶剂法对醇提物进行萃取,醋酸乙酯萃取部位通过正相、反相柱色谱,半制备高效液相色谱等方法进行分离,化合物通过波谱解...目的研究多枝雾水葛Pouzolzia zeylanica var. microphylla醋酸乙酯部位的化学成分。方法采用95%乙醇回流提取,系统溶剂法对醇提物进行萃取,醋酸乙酯萃取部位通过正相、反相柱色谱,半制备高效液相色谱等方法进行分离,化合物通过波谱解析法确定结构。结果从多枝雾水葛醋酸乙酯部位分离鉴定了10个化合物,分别为(2R,3S,4R,5S)-2,5-二-(4-羟基-3-甲氧基苯基)-3,4-二-(3,5-二羟基苯基)四氢呋喃(1)、pouzolignan K(2)、saropeptide(3)、去氢吐叶醇(4)、对羟基苯甲酸(5)、异香兰酸(6)、原儿茶酸(7)、丁香酸(8)、原儿茶醛(9)、原儿茶酸乙酯(10)。结论化合物1为新化合物,命名为异雾水葛木脂素K,化合物3～10均为首次从该属植物中分离得到。展开更多
基金This work was supported by the National Natural Science Foundation of China (No. 20271017) and Henan Provincial Innovation Foundation (No. 0421001300)
文摘A binuclear copper（I） complex [Cu2（dppm）2（C7H6N2）2]（NO3）2 （C7H6N2 = benzimidazole, dppm = Ph2PCH2PPh2） has been synthesized and characterized by X-ray crystallography.The crystal belongs to monoclinic, space group C2/c with a = 14.167（3）, b = 21.209（4）, c =20.680（4）A°, β = 103.93（3）°, C32H28CuN3O3P2, Mr = 628.05, Z = 8, μ = 0.868 mm^-1, V = 6031 （2） ,A°^3,F（000） = 2592, De= 1.383 g/cm^3, R = 0.0593 and wR = 0.1736. A total of 5297 independent reflections were collected, of which 3503 were observed with 1 〉 2σ（/）. The central copper atom is tri-coordinated by phosphorus atoms from bridging dppm and nitrogen atom from benzimidazole. In the coordination sphere, the bond lengths of Cu-P（1） and Cu-P（2） are 2.2607（17） and 2.2503（16） A°,respectively and the P-Cu-P bond angle is 127.26（6）°.
文摘目的研究多枝雾水葛Pouzolzia zeylanica var. microphylla醋酸乙酯部位的化学成分。方法采用95%乙醇回流提取,系统溶剂法对醇提物进行萃取,醋酸乙酯萃取部位通过正相、反相柱色谱,半制备高效液相色谱等方法进行分离,化合物通过波谱解析法确定结构。结果从多枝雾水葛醋酸乙酯部位分离鉴定了10个化合物,分别为(2R,3S,4R,5S)-2,5-二-(4-羟基-3-甲氧基苯基)-3,4-二-(3,5-二羟基苯基)四氢呋喃(1)、pouzolignan K(2)、saropeptide(3)、去氢吐叶醇(4)、对羟基苯甲酸(5)、异香兰酸(6)、原儿茶酸(7)、丁香酸(8)、原儿茶醛(9)、原儿茶酸乙酯(10)。结论化合物1为新化合物,命名为异雾水葛木脂素K,化合物3～10均为首次从该属植物中分离得到。
