The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belon...The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belongs to triclinic, Mr=930.91, space group with cell parameters a=9.8489(2)? , b=12.3110(2)? , c=18.4035(3)? , α =71.353(2)° , β =76.638(2)° ,γ =84.815(2)° ,V=2056.72(6)? 3,Z=2,Dc=1.503g· cm- 3, μ (MoKα ) =1.417mm- 1, F(000)=964, R=0.0317, wR=0.0868. A total of 5393 independent reflections were collected, of which 4448 reflections with I ≥ 2σ (I) were observed. There are two centrosymmetrical trinuclear molecules in a unit cell, each molecule exhibits a linear trinuclear metal arrangement with the Ni... Ni... Ni angle of 180° . The interatomic distances between the nickel atoms on the two sides are 9.2030(8)? and 9.1876(9)? for the two molecules, respectively. The central nickel atom adopts an axially elongated octahedral geometry whereas the nickel atoms on the two sides have square planar coordination environment. CCDC: 194083.展开更多
采用四种不同的氨基保护法合成了九个 N 叔丁基 N (取代)苯甲酰肼,其中,氯甲酸苄酯保护法和氯甲酸苯酯保护法首次被用于该类化合物的合成,氯甲酸苄酯保护法具有反应条件温和、收率高、后处理简单及污染小等优点,适宜大规模工业生产。但...采用四种不同的氨基保护法合成了九个 N 叔丁基 N (取代)苯甲酰肼,其中,氯甲酸苄酯保护法和氯甲酸苯酯保护法首次被用于该类化合物的合成,氯甲酸苄酯保护法具有反应条件温和、收率高、后处理简单及污染小等优点,适宜大规模工业生产。但是,该法的局限性是当苯环上有氯、溴或硝基等取代基时,不宜采用该法。此时,Boc保护法和氯甲酸苯酯保护法适宜作为该法的补充。展开更多
1988年Rohm and Hass公司的科学家们发现二芳酰肼类化合物RH-5849能引起受试昆虫早熟、不完全、致死性蜕皮，从此诞生了一类新的昆虫生长调节剂——蜕皮激素拮抗剂。随后20多年，在RH-5849的基础上，Rohm and Hass公司先后开发出了RH-5...1988年Rohm and Hass公司的科学家们发现二芳酰肼类化合物RH-5849能引起受试昆虫早熟、不完全、致死性蜕皮，从此诞生了一类新的昆虫生长调节剂——蜕皮激素拮抗剂。随后20多年，在RH-5849的基础上，Rohm and Hass公司先后开发出了RH-5992、RH-0345、RH-2485。日本的Nippon Kayaku Co．Ltd和Sankyo CO．Ltd合作开发了ANS-118。它成为继保幼激素、几丁质合成抑制剂之后，又一类商品化的昆虫生长调节剂，广泛用于害虫的防治。展开更多
The title coordination compound with N-substituted-salicyl Schiff ligand, Cu(C15H12N2O3)(C5H5N), has been synthesized. The coordination compound crystallizes in orthorhombic system, space group Pbca with a=2.037 62(7)...The title coordination compound with N-substituted-salicyl Schiff ligand, Cu(C15H12N2O3)(C5H5N), has been synthesized. The coordination compound crystallizes in orthorhombic system, space group Pbca with a=2.037 62(7) nm, b=0.698 45(2)nm, c=2.508 76(9)nm, V=3.570 4(2) nm3, Z=8, F(000)=1 688, Dc=1.529 g·cm-3, Mr=410.91, hydrazine nitrogen atom from the dianionic ligand N-salicylaldehyde-N′-(4-methoxybenzoyl) hydrazone and one pyridine nitrogen atom coordinate to Cu(Ⅱ) ion, forming a distorted square plane. CCDC: 218182.展开更多
文摘The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belongs to triclinic, Mr=930.91, space group with cell parameters a=9.8489(2)? , b=12.3110(2)? , c=18.4035(3)? , α =71.353(2)° , β =76.638(2)° ,γ =84.815(2)° ,V=2056.72(6)? 3,Z=2,Dc=1.503g· cm- 3, μ (MoKα ) =1.417mm- 1, F(000)=964, R=0.0317, wR=0.0868. A total of 5393 independent reflections were collected, of which 4448 reflections with I ≥ 2σ (I) were observed. There are two centrosymmetrical trinuclear molecules in a unit cell, each molecule exhibits a linear trinuclear metal arrangement with the Ni... Ni... Ni angle of 180° . The interatomic distances between the nickel atoms on the two sides are 9.2030(8)? and 9.1876(9)? for the two molecules, respectively. The central nickel atom adopts an axially elongated octahedral geometry whereas the nickel atoms on the two sides have square planar coordination environment. CCDC: 194083.
文摘采用四种不同的氨基保护法合成了九个 N 叔丁基 N (取代)苯甲酰肼,其中,氯甲酸苄酯保护法和氯甲酸苯酯保护法首次被用于该类化合物的合成,氯甲酸苄酯保护法具有反应条件温和、收率高、后处理简单及污染小等优点,适宜大规模工业生产。但是,该法的局限性是当苯环上有氯、溴或硝基等取代基时,不宜采用该法。此时,Boc保护法和氯甲酸苯酯保护法适宜作为该法的补充。
文摘1988年Rohm and Hass公司的科学家们发现二芳酰肼类化合物RH-5849能引起受试昆虫早熟、不完全、致死性蜕皮，从此诞生了一类新的昆虫生长调节剂——蜕皮激素拮抗剂。随后20多年，在RH-5849的基础上，Rohm and Hass公司先后开发出了RH-5992、RH-0345、RH-2485。日本的Nippon Kayaku Co．Ltd和Sankyo CO．Ltd合作开发了ANS-118。它成为继保幼激素、几丁质合成抑制剂之后，又一类商品化的昆虫生长调节剂，广泛用于害虫的防治。
文摘The title coordination compound with N-substituted-salicyl Schiff ligand, Cu(C15H12N2O3)(C5H5N), has been synthesized. The coordination compound crystallizes in orthorhombic system, space group Pbca with a=2.037 62(7) nm, b=0.698 45(2)nm, c=2.508 76(9)nm, V=3.570 4(2) nm3, Z=8, F(000)=1 688, Dc=1.529 g·cm-3, Mr=410.91, hydrazine nitrogen atom from the dianionic ligand N-salicylaldehyde-N′-(4-methoxybenzoyl) hydrazone and one pyridine nitrogen atom coordinate to Cu(Ⅱ) ion, forming a distorted square plane. CCDC: 218182.
