N-Quaternary Compounds. Part XXIV. Isoquinoline Analogues.
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چکیده
منابع مشابه
Quaternary isoquinoline alkaloids from Stephania cepharantha.
From the quaternary alkaloidal fraction of the dried tubers of Stephania cepharantha, two new isoquinoline alkaloids, stecepharine and tetradehydroreticuline have been isolated along with the known compounds, magnoflorine, menisperine, steponine, cyclanoline, oblongine, cis-N-methylcapaurine and 2'-N-methylisotetrandrine. cis-N-Methylcapaurine (=9-O-methylstecepharine) was isolated as a natural...
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Using a-tetralone, as starting material, a series of phencyclidine analogues were synthesized. This ketone was reacted separately with ethylmagnesium bromide, P-methoxyphenylmagnesium bromide and P-methylphenylmagnesium bromide. The resultant alcohols were treated with a suspension of NaN3 and CCl3COOH in CHCl3. The azides were subsequently...
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C(1)-symmetric isoquinoline-based chiral diaminocarbene ligands (MIQ) have been developed to block three quadrants of the metal coordination sphere, complementing C(2)-symmetric biisoquinoline-based ligands (BIQ). MIQ-Cu complexes catalyzed conjugate borylation of various α,β-unsaturated amides in good yields (82-99%) and enantioselectivities (75-87% ee).
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From the Department of Physiology, Nijmegen Center for Molecular Life Sciences, Radboud University Nijmegen Medical Center, 6500 HB Nijmegen, Nijmegen, The Netherlands, the Max-Planck Institute for Biophysical Chemistry, Theoretical and Computational Biophysics Department, Am Fassberg, D-37077, Göttingen, Germany, and the Department of Chemistry, University of Edinburgh, Kings Buildings, West M...
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ژورنال
عنوان ژورنال: Acta Chemica Scandinavica
سال: 1972
ISSN: 0904-213X
DOI: 10.3891/acta.chem.scand.26-1620