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Chiral (S)- and (R)-(18)O-glycerin induces enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde, and the subsequent asymmetric autocatalysis affords (R)- and (S)-pyrimidyl alkanol with high enantiomeric excess, respectively.
a on behalf of the CREDO-Kyoto PCI/ CABG registry cohort-2 investigators. Abstract: Long-term outcome of percutaneous coronary intervention (PCI) compared to coronary artery bypass grafting (CABG) for unprotected left main coronary artery disease (ULMCAD) remain to be investigated. We identified 1005 patients with ULMCAD among 15939 patients with first… (More)
Chirality arising from isotope substitution, especially with atoms heavier than the hydrogen isotopes, is usually not considered a source of chirality in a chemical reaction. An N(2) ,N(2) ,N(3) ,N(3) -tetramethyl-2,3-butanediamine containing nitrogen ((14) N/(15) N) isotope chirality was synthesized and it was revealed that this isotopically chiral diamine… (More)