191354-85-5Relevant academic research and scientific papers
Synthesis of new chiral mixed cis-tetraheterodecalines by highly selective cyclization of N,N′-bisalkyl 2,3-diaminobutanediols
Gras, Jean-Louis,Taulier, Eric
, p. 1093 - 1098 (2007/10/03)
Chiral secondary vic-diamines of diaminobutanediols have been efficiently prepared from L-tartaric acid. Their selective cyclization led to cis-tetraheterodecalines having a (1S,6S)-2,7-diaza-4,9-dioxa[4.4.0]decane core system. Georg Thieme Verlag Stuttgart.
Asymmetric cyclopropanation catalyzed by C2-symmetric bi(oxazolines)
Boulch, Rachel,Scheurer, Andreas,Mosset, Paul,Saalfrank, Rolf W.
, p. 1023 - 1026 (2007/10/03)
C2-symmetric bi(oxazolines) 3a-e were prepared in three steps based on a tartaric-derived vicinal diamine as common precursor. These chiral ligands were studied with respect to their directive influence on the enantioselective copper catalyzed
Efficient synthesis of (2R,3R)- and (2S,3S)-2,3-diaminobutane-1,4-diol and their dibenzyl ethers
Scheurer, Andreas,Mosset, Paul,Saalfrank, Rolf W.
, p. 1243 - 1251 (2007/10/03)
(2R,3R)-2,3-Diaminobutane-1,4-diol 6 and its dibenzyl ether 7 were efficiently synthesized starting from L-tartaric acid 1a. The crucial step, debenzylation of intermediate dibenzyloxydiazide 4, was accomplished in good yield by boron trichloride-dimethyl sulfide complex. The enantiomeric series was similarly obtained starting from D-tartaric acid.
Synthesis of new C2-symmetric bioxazoles and application as chiral ligands in asymmetric hydrosilylation
Lee, Sang-Gi,Lim, Chung Woo,Song, Choong Eui,Kim, In O.,Jun, Chul-Ho
, p. 2927 - 2932 (2007/10/03)
New C2-symmetric chiral (4S,4'S)-bioxazoles 3a and 3b, possessing chirality on their backbone, were synthesized efficiently starting from L-tartaric acid. The structure of 3a was determined by X-ray crystal structure analysis. With these novel
