使用二铁茂铁基二碲化物合成了二十种新的二茂铁二茂铁基有机基(烷基,烯基和炔基)碲化物,并进行了光谱表征。与相应的对空气敏感的苯基碲化物形成鲜明对比,肉桂酸和苄基二茂铁基碲化物被证明具有足够的空气稳定性,可以分离出来。在三乙胺或四氰基乙烯(TCNE)的存在下,在25°C下用乙醚中的1摩尔当量的间氯过苯甲酸(MCPBA)处理某些烷基二茂铁基碲化物(MCPBA)2小时,从而通过消除二氧化氮以适当至良好的收率获得了相应的烯烃。乙醇中的某些烯丙基二茂铁基碲化物的MCPBA或空气氧化可通过[2,3]σ重排产生相应的烯丙基醇。1个1 H NMR和电子吸收光谱研究表明,在烷基二茂铁基碲化物和TCNE之间产生了供体-受体配合物,在存在TCNE的情况下,碲化物的消除得到了改善,这归因于这种配合物的形成。
Mass-Spectrometric Study on Ion–Molecule Reactions of CF<sub>3</sub><sup>+</sup>with Monosubstituted Benzenes Carrying a Hydroxy or Alkoxy Group at Near-Thermal Energies
作者:Masaharu Tsuji、Masato Aizawa、Yukio Nishimura
DOI:10.1246/bcsj.69.147
日期:1996.1
The gas-phase ion-moleculereactions of CF3+ with monosubstituted benzenes carrying a hydroxy or alkoxy group [PhX: X = OH, CH2OH, CH2CH2OH, CH(OH)CH3, OCH3, and OC2H5] have been studied at near-thermal energies using an ion-beam apparatus. The major product channels are electrophilic addition on the O-atom, followed by loss of CF3OH, for ROH (R = Ph, PhCH2, PhCH2CH2, PhCHCH3); while they are electrophilic
Mass-Spectrometric Study on Ion-Molecule Reactions of CH<sub>5</sub><sup>+</sup>, C<sub>2</sub>H<sub>5</sub><sup>+</sup>, and C<sub>3</sub>H<sub>5</sub><sup>+</sup>with C<sub>9</sub>–C<sub>19</sub>Alkylbenzenes in an Ion Trap
作者:Yuki Tanaka、Masaharu Tsuji
DOI:10.1246/bcsj.75.241
日期:2002.2
Chemical ionization of alkylbenzenes (PhCxH2x + 1 = M: x = 3–13) by the CH5+, C2H5+, and C3H5+ ions has been studied under a reactant-ion selective mode of an ion-trap type of GC/MS. The dominant product ions for short-chain reagents (x < 7) were [M + H]+, [PhH + H]+, and CxH2x + 1+ ions, produced through proton-transfer to benzene ring. On the other hand, the dominant product ions for long-chain reagents
Syntheses and reactivities of ferrocenyl organyl tellurides
作者:Yoshiaki Nishibayashi、Takashi Chiba、Jai Deo Singh、Sakae Uemura、Shin-ichi Fukuzawa
DOI:10.1016/0022-328x(94)80121-5
日期:1994.6
the corresponding alkenes in fair to good yields via telluroxide elimination. The MCPBA or air oxidation of some allylic ferrocenyl tellurides in ethanol produced the corresponding allylic alcohols via [2,3] sigmatropic rearrangement. 1H NMR and electronic absorption spectroscopic studies revealed that donor-acceptor complexes between alkyl ferrocenyl tellurides and TCNE were produced, an improvement
使用二铁茂铁基二碲化物合成了二十种新的二茂铁二茂铁基有机基(烷基,烯基和炔基)碲化物,并进行了光谱表征。与相应的对空气敏感的苯基碲化物形成鲜明对比,肉桂酸和苄基二茂铁基碲化物被证明具有足够的空气稳定性,可以分离出来。在三乙胺或四氰基乙烯(TCNE)的存在下,在25°C下用乙醚中的1摩尔当量的间氯过苯甲酸(MCPBA)处理某些烷基二茂铁基碲化物(MCPBA)2小时,从而通过消除二氧化氮以适当至良好的收率获得了相应的烯烃。乙醇中的某些烯丙基二茂铁基碲化物的MCPBA或空气氧化可通过[2,3]σ重排产生相应的烯丙基醇。1个1 H NMR和电子吸收光谱研究表明,在烷基二茂铁基碲化物和TCNE之间产生了供体-受体配合物,在存在TCNE的情况下,碲化物的消除得到了改善,这归因于这种配合物的形成。