Convenient Synthesis of 3,7-Diazabicyclo[3.3.1]nonane (Bispidine)
作者:Yuji Miyahara、Kenta Goto、Takahiko Inazu
DOI:10.1055/s-2001-11427
日期:——
Bispidine 1a is conveniently synthesized via a route involving double Mannich reaction of 1-allylpiperidin-4-one to N,N′-diallylbispidinone, Wolff-Kishner reduction of the bispidinone, and deallylation of the resulting N,N′-diallylbispidine by treatment with ethyl chloroformate in the presence of NaI, followed by alkaline hydrolysis.
双脒 1a 可通过以下途径方便地合成:1-烯丙基哌啶-4-酮与 N,N′-二烯丙基双脒酮发生双曼尼希反应,双脒酮发生沃尔夫-基什内尔还原反应,生成的 N,N′-二烯丙基双脒在 NaI 存在下用氯甲酸乙酯进行脱烯丙基反应,然后进行碱性水解。
Synthesis and Coordination Chemistry of <i>N,N</i>-Diallylbispidine
monomeric C7H12N2(C3H5)CH═CHCH2}PtCl (13a), and the presence of MeOH afforded C7H12N2(C3H5)CH2CH(OMe)CH2}PtCl (13b), both compounds featuring novel anionic tridentate ligands. Furthermore, chiral N,N′-bis((R)-1-phenylethyl)-1,7-octadiene-(S,S)-4,5-diamine (15) reacts with CuI to give [(C3H5)2C2H4N2(CHMePh)2}Cu(μ-I)]2 (16). The unbound N-allyl functions on the ligands in the product complexes allow
3,7-二烯丙基-3,7-二氮杂二环[3.3.1]壬烷(C的合成7 ħ 12 Ñ 2烯丙基2,3)已被重新,并且几个迄今未检测到的副产物也已确定。通过制备型GC和柱色谱法分离纯3和这些副产物。单质子化3以PF 6盐[(C 7 H 13 N 2烯丙基2 ] PF 6(9)的形式存在,以及3与Ni(acac)2和CuI的加成络合物(C 7 H 12 N制备了2烯丙基2)Ni(acac)2(10)和(C 7 H 12 N 2烯丙基2)Cu(μ-I)} 2(11)。从(η的反应3 -C 3 H ^ 5)M(μ-X)} 2(M =镍,钯,铂; X =氯,溴)与3和TlPF 6的配合物[(C 7 H ^ 12 ñ 2烯丙基2)M(η 3 -C 3 H ^ 5)] PF 6(M =镍(12A),得到Pd(12b),Pt(12c))。化合物9 - 11和12b中通过X-射线晶体学进行了表征。(1,5-己二烯)PtCl