以2-[1,2-二(2-羟基苯甲氨基)-2-(吡啶基)乙基]苯酚和2-[1,2-二(2-羟基苯甲氨基)-4-(吡啶基)乙基]苯酚为原料,分别与乙二醛经缩合反应,合成了两个新型的哌嗪化合物——2-【{12-(2-吡啶基)-3,20-二氧-11,21-二氮杂五环[11.7.1.O^(2,11).O^(4,9).O^(14,19)]二十一-4,6,8,14,16,18-六环-21-基}甲基】苯酚(2a)和2-【{12-(4-吡啶基)-3,20-二氧-11,21-二氮杂五环[11.7.1.O^(2,11).O^(4,9).O^(14,19)]二十一-4,6,8,14,16,18-六环-21-基}甲基】苯酚(2b),其结构经^1H NMR,^(13)C NMR,FT-IR,ESI-MS和X-射线单晶衍射表征。2a(CCDC:1 439 422)属单斜晶系,空间群P2_1/n,晶胞参数a=12.250 2(16)A,b=10.299 6(13)A,c=18.296(2)A,β=95.798(2)°,V=2 296.6(5)A3,Dc=1.341 mg·cm^(-3),Z=4,F(000)=976,μ=0.088 mm^(-1)。
Two novel piperazine compounds,2-【{ 12-( 2-pyridyl)-3,20-dioxo-11,21-diazapentacyclo-[11. 7. 1. O~(2,11). O~(4,9). O~(14,19)]henicosa-4,6,8,14,16,18-hexahydro-21-yl} methyl】phenol( 2a) and 2-【{ 12-( 4-pyridyl)-3,20-dioxo-11,21-diazapentacyclo-[11. 7. 1. O~(2,11). O~(4,9). O~(14,19)]henicosa-4,6,8,14,16,18-hexahydro-21-yl} methyl】phenol( 2b) were synthesized by condensation of biformyl with 2-[1,2-bis( 2-hydroxybenzylamino)-2-( pyridinyl) ethyl]phenol or 2-[1,2-bis( 2-hydroxybenzylamino)-4-( pyridinyl) ethyl]phenol. The structures were characterized by~1 H NMR,~(13)C NMR,FT-IR,ESIMS and X-ray single crystal diffraction. 2a( CCDC: 1 439 422) belongs to monoclinic system and space group P2_1/n. The cell parameters of 2a were a = 12. 250 2( 16) ,b = 10. 299 6( 13) ,c =18. 296( 2) ,β = 95. 798( 2) °,V = 2 296. 6( 5) ~3,Dc = 1. 341 mg·cm~(-3),Z = 4,F( 000) =976,μ = 0. 088 mm~(-1).