93643-54-0Relevant academic research and scientific papers
Chiral Bipyridine Ligand with Flexible Molecular Recognition Site: Development and Application to Copper-Catalyzed Asymmetric Borylation of α,β-Unsaturated Ketones
Tsutsumi, Ryosuke,Taguchi, Rika,Yamanaka, Masahiro
, (2021/10/20)
A novel chiral bipyridine ligand bearing a flexible side chain with a molecular recognition site enables precise stereocontrol through the cooperative action of metal center and hydrogen bonds. This new chiral ligand was applied to the copper-catalyzed as
Catalytic asymmetric aldol reaction of ketones and aldehydes using chiral calcium alkoxides
Suzuki, Takeyuki,Yamagiwa, Noriyuki,Matsuo, Yoshimi,Sakamoto, Shigeru,Yamaguchi, Kentaro,Shibasaki, Masakatsu,Noyori, Ryoji
, p. 4669 - 4671 (2007/10/03)
A chiral hydrobenzoin/Ca complex catalyzes the reaction of acetophenone and aliphatic aldehydes to give the corresponding aldol products in up to 91% ee.
Enantioselective Mukaiyama-aldol and aldol-dihydropyrone annulation reactions catalyzed by a tryptophan-derived oxazaborolidine
Corey,Cywin, Charles L.,Roper, Thomas D.
, p. 6907 - 6910 (2007/10/02)
The (S)-tryptophan derived catalyst 1, has been used to effect enantioselective Mukaiyama-aldol and aldol-dihydropyrone annulation reactions of trimethylsilyloxy olefins and dienes.
ENANTIOSELECTIVE ALDOL REACTION MEDIATED BY CHIRAL LITHIUM AMIDE BASES
Muraoka, Masami,Kawasaki, Hisashi,Koga, Kenji
, p. 337 - 338 (2007/10/02)
Highly enantioselective aldol reaction mediated by chiral lithium amide bases was achieved between some methylketones and aldehydes.
HIGHLY ENANTIOSELECTIVE ALDOL REACTION OF METHYL KETONES VIA CHIRAL STANNOUS AZAENOLATES
Narasaka, Koichi,Miwa, Tetsuo,Hayashi, Hiroki,Ohta, Masako
, p. 1399 - 1402 (2007/10/02)
Chiral 1,3-oxazolidines are readily prepared from methyl ketones and chiral norephedrine.Formation of stannous azaenolates from the oxazolidines and reaction with aldehydes followed by removal of the chiral auxiliary lead to the aldol products in high level of enantiomeric putity.
