Synthesis of naturally occurring o-heterocyclic compounds of biological activity
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| 024 | 7 | 0 | |a 10.1351/pac200476051025 |2 doi |
| 035 | |a (NATIONALLICENCE)gruyter-10.1351/pac200476051025 | ||
| 245 | 0 | 0 | |a Synthesis of naturally occurring o-heterocyclic compounds of biological activity |h [Elektronische Daten] |c [Sándor Antus, Katalin Gulácsi, László Juhász, Loránd Kiss, Tibor Kurtán] |
| 520 | 3 | |a The total synthesis of (−)-cabenegrin A-I was achieved via (−)-6aR,11aR maackiain, which was obtained by optical resolution of racemic maackiain using S-(−)-alpha-methylbenzyl isocyanate. The synthesis of rac-maackiain was performed both with the Heck oxyarylation of 7-benzyloxy-2H-chromene and the BF3OEt2 mediated ring closure of isoflavan-4-ol derivatives, the latter of which provided much higher yields. The first enantioselective synthesis of trans-6aS,11aR-pterocarpan and its conversion to cis-6aS,11aS -ptarocarpan was also presented starting from racemic 2'-benzyloxyflavanone. Their stereochemistry was deduced by circular dichroism (CD) as well as by X-ray analysis of the ketal intermediate. | |
| 540 | |a © 2013 Walter de Gruyter GmbH, Berlin/Boston | ||
| 700 | 1 | |a Antus |D Sándor |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | |
| 700 | 1 | |a Gulácsi |D Katalin |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | |
| 700 | 1 | |a Juhász |D László |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | |
| 700 | 1 | |a Kiss |D Loránd |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | |
| 700 | 1 | |a Kurtán |D Tibor |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | |
| 773 | 0 | |t Pure and Applied Chemistry |d De Gruyter |g 76/5(2004-01-01), 1025-1032 |x 0033-4545 |q 76:5<1025 |1 2004 |2 76 |o pac | |
| 856 | 4 | 0 | |u https://doi.org/10.1351/pac200476051025 |q text/html |z Onlinezugriff via DOI |
| 908 | |D 1 |a research article |2 jats | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1351/pac200476051025 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Antus |D Sándor |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Gulácsi |D Katalin |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Juhász |D László |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Kiss |D Loránd |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Kurtán |D Tibor |u Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P.O. Box 20, Hungary |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Pure and Applied Chemistry |d De Gruyter |g 76/5(2004-01-01), 1025-1032 |x 0033-4545 |q 76:5<1025 |1 2004 |2 76 |o pac | ||
| 900 | 7 | |b CC0 |u http://creativecommons.org/publicdomain/zero/1.0 |2 nationallicence | |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-gruyter | ||