The complex dimethylgallium- [4-nitro-2- (N-benzo- 15-crown-5 ) - 1 -phenoxide ] (C23H31 N2O7Ga) has been synthesized by the method reported. The crystal X-ray diffraction analysis shows that the crystal belongs to th...The complex dimethylgallium- [4-nitro-2- (N-benzo- 15-crown-5 ) - 1 -phenoxide ] (C23H31 N2O7Ga) has been synthesized by the method reported. The crystal X-ray diffraction analysis shows that the crystal belongs to the triclinic with space group P1, M = 517. 23 and the unit cell parameters: a = 1. 4501 (2), b = 1. 5090(2), c = 1. 3865 (6)nm, a = 105. 58(1 ), β = 117. 26(2), γ = 66. 812(8)°, V= 2. 464546nm3, Z =4, Dc = 1. 39g· cm-3, u = 11. 6cm-1, F(000) = 1080, R = 0. 051, Rw = 0. 064. The coordination number of Ga is four and the gallium atom is located in a distorted tetrahedron structure.展开更多
In the presence of THF and H 2O(9∶1),α benzotriazole sulfides are synthesized via the reaction of 1 Chloromethyl benzotriazole with disulfides promoted by Sm/CdCl 2.The process is convenient with yield 82～91%.
Lamellarins isolated from oceanic mollusc are a kind of pyrrole hexacyclic alkaloids.Not only have lamellarins an interesting structural feature,but also exhibit a wide various of significant biological activities.The...Lamellarins isolated from oceanic mollusc are a kind of pyrrole hexacyclic alkaloids.Not only have lamellarins an interesting structural feature,but also exhibit a wide various of significant biological activities.The open-chain lamellarins have the same structure as lamellarin which shown potent cytotoxicity cytotoxic potential.ethyl 1-(3,4-dimethoxyphenyl)-8,9-dimethoxy-2-(2,4,5-trimethoxyphenyl)pyrroloisoquinoline-3-carboxylate as a new compound and an inter mediate for synthesis of lamellarin was prepared via acylation and esterification in one pot after reaction of 1-(3,4-dimethoxybenzyl)-6,7-dimethoxyisoquinoline and 2-bromo-1-(2,4,5-trimethoxyphenyl)ethanone.The products were identified by means of IR,UV,NMR and MS measurement.展开更多
文摘The complex dimethylgallium- [4-nitro-2- (N-benzo- 15-crown-5 ) - 1 -phenoxide ] (C23H31 N2O7Ga) has been synthesized by the method reported. The crystal X-ray diffraction analysis shows that the crystal belongs to the triclinic with space group P1, M = 517. 23 and the unit cell parameters: a = 1. 4501 (2), b = 1. 5090(2), c = 1. 3865 (6)nm, a = 105. 58(1 ), β = 117. 26(2), γ = 66. 812(8)°, V= 2. 464546nm3, Z =4, Dc = 1. 39g· cm-3, u = 11. 6cm-1, F(000) = 1080, R = 0. 051, Rw = 0. 064. The coordination number of Ga is four and the gallium atom is located in a distorted tetrahedron structure.
文摘In the presence of THF and H 2O(9∶1),α benzotriazole sulfides are synthesized via the reaction of 1 Chloromethyl benzotriazole with disulfides promoted by Sm/CdCl 2.The process is convenient with yield 82～91%.
文摘Lamellarins isolated from oceanic mollusc are a kind of pyrrole hexacyclic alkaloids.Not only have lamellarins an interesting structural feature,but also exhibit a wide various of significant biological activities.The open-chain lamellarins have the same structure as lamellarin which shown potent cytotoxicity cytotoxic potential.ethyl 1-(3,4-dimethoxyphenyl)-8,9-dimethoxy-2-(2,4,5-trimethoxyphenyl)pyrroloisoquinoline-3-carboxylate as a new compound and an inter mediate for synthesis of lamellarin was prepared via acylation and esterification in one pot after reaction of 1-(3,4-dimethoxybenzyl)-6,7-dimethoxyisoquinoline and 2-bromo-1-(2,4,5-trimethoxyphenyl)ethanone.The products were identified by means of IR,UV,NMR and MS measurement.
