Planar-Chiral [2.2]Paracyclophane-Based Amides as Proligands for Titanium- and Zirconium-Catalyzed Hydroamination

被引:33
|
作者
Braun, Carolin [1 ]
Braese, Stefan [1 ,2 ]
Schafer, Laurel L. [3 ]
机构
[1] Karlsruhe Inst Technol, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
[2] Karlsruhe Inst Technol, Inst Toxicol & Genet, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[3] Univ British Columbia, Dept Chem, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
关键词
Hydroamination; Cyclophanes; Chirality; Asymmetric catalysis; Ligand design; ASYMMETRIC INTRAMOLECULAR HYDROAMINATION; MACRO RINGS; INTERMOLECULAR HYDROAMINATION; ENANTIOMERICALLY PURE; AMIDATE COMPLEXES; DERIVATIVES; ALKENES; LANTHANIDE; HYDROAMINOALKYLATION; PRECATALYST;
D O I
10.1002/ejoc.201700101
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A synthetic route to racemic and enantiopure planar chiral [2.2]paracyclophanes with amide groups was developed to combine the well-established reactivity of amides as N,O-chelating ligands in hydroamination reactions with the planar chirality of the [2.2]paracyclophane backbone. A mono- as well as a tethered bis(amide) were synthesized and investigated as ligands for titanium and zirconium. Hydroamination reactivity studies showed their ability to translate their planar chirality into central chirality in the product.
引用
收藏
页码:1760 / 1764
页数:5
相关论文
共 27 条
  • [21] Enantioselective addition of diethylzinc to aldehydes catalyzed by monosubstituted [2.2]paracyclophane-based N,O-ligands: remarkable cooperative effects of planar and central chiralities
    Sugiyama, Shigeo
    Aoki, Yoshinori
    Ishii, Keitaro
    TETRAHEDRON-ASYMMETRY, 2006, 17 (20) : 2847 - 2856
  • [23] Catalytic Enantioselective Synthesis of Planar-Chiral Cyclic Amides Based on a Pd-Catalyzed Asymmetric Allylic Substitution Reaction
    Igawa, Kazunobu
    Ichikawa, Nobumasa
    Ano, Yusuke
    Katanoda, Keisuke
    Ito, Masato
    Akiyama, Toshiyuki
    Tomooka, Katsuhiko
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2015, 137 (23) : 7294 - 7297
  • [24] Planar chiral [2.2]paracyclophane-based phosphine-Bronsted acid catalysts bearing exceptionally high reactivity for aza-Morita-Baylis-Hillman reaction
    Kitagaki, Shinji
    Ohta, Yuu
    Takahashi, Ryohei
    Komizu, Mika
    Mukai, Chisato
    TETRAHEDRON LETTERS, 2013, 54 (05) : 384 - 386
  • [25] Highly regio- and stereoselective (3+2) annulation reaction of allenoates with 3-methyleneindolin-2-ones catalyzed by a planar chiral [2.2]paracyclophane-based bifunctional phosphine-phenol catalyst
    Kitagaki, Shinji
    Nakayoshi, Tomoki
    Masunaka, Sota
    Uchida, Akane
    Inano, Mai
    Yoshida, Emika
    Washino, Yusuke
    Aoyama, Hiroshi
    Yoshida, Keisuke
    ORGANIC & BIOMOLECULAR CHEMISTRY, 2024, 22 (38) : 7817 - 7833
  • [26] Planar chiral imidazolium salts based on [2.2]paracyclophane in the asymmetric rhodium-catalyzed 1,2-addition of arylboronic acids to aldehydes
    Ma, Qingshuang
    Ma, Yudao
    Liu, Xiao
    Duan, Wenzeng
    Qu, Bo
    Song, Chun
    TETRAHEDRON-ASYMMETRY, 2010, 21 (03) : 292 - 298
  • [27] Planar chiral [2.2]paracyclophane-based phosphine-phenol catalysts: application to the aza-Morita-Baylis-Hillman reaction of N-sulfonated imines with various vinyl ketones
    Takenaga, Naoko
    Adachi, Saki
    Furusawa, Akitomo
    Nakamura, Kento
    Suzuki, Nodoka
    Ohta, Yuu
    Komizu, Mika
    Mukai, Chisato
    Kitagaki, Shinji
    TETRAHEDRON, 2016, 72 (43) : 6892 - 6897