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Contents: Chin. J. Chem. 1/2013

Contents: Chin. J. Chem. 1/2013 CHINESE JOURNAL OF CHEMISTRY Vol. 31 No. 1 January 2013 Pages 1—164 COVER PICTURE The cover picture shows a concise total synthesis of am- phidinin B, a polyketide metabolite isolated from the extracts of cultured marine dinoflagellates Amphidinium sp. (Y-56 strain). By playing a ring-forming trick, selective oxidative cleavage at the two monosubstituted alkene sites was achieved in the presence of the 1,1-disubstituted counterpart. Thus, starting from the triene precursor a ring-closing metathesis (RCM) reaction was performed to form the (12E)- and (12Z)-cycloalkenes. The latter were then subjected to regio- and stereoselective asymmetric dihydroxylation (AD), respec- tively, to produce the 12,13-diols. Further oxidative cleavage of the diols furnished amphidinin B. More details are dis- cussed in the article by Dai et al. on page 105—110. COMMUNICATIONS OTBS OTBS Stereospecific Synthesis of Drospire- none H H ZnI /Et SiH 2 3 HH HH 90% OH TBSO TBSO OH OH HH Gang Deng, Zuogang Huang, Xiaolong drospirenone Zhao, Zheng Li, Yuanchao Li,* Biao Jiang* 6 © 2013 SIOC, CAS, Shanghai, & WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Chin. J. Chem. 2013, 31, 6—13 A Formal Synthesis of Iridoid 9-De- H Steps oxygelsemide HO (S)-carvone 9-deoxygelsemide (1) Starting from the known http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chinese Journal of Chemistry Wiley

Contents: Chin. J. Chem. 1/2013

Chinese Journal of Chemistry , Volume 31 (1) – Jan 1, 2013
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Publisher
Wiley
Copyright
Copyright © 2013 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1001-604X
eISSN
1614-7065
DOI
10.1002/cjoc.201390003
Publisher site
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Abstract

CHINESE JOURNAL OF CHEMISTRY Vol. 31 No. 1 January 2013 Pages 1—164 COVER PICTURE The cover picture shows a concise total synthesis of am- phidinin B, a polyketide metabolite isolated from the extracts of cultured marine dinoflagellates Amphidinium sp. (Y-56 strain). By playing a ring-forming trick, selective oxidative cleavage at the two monosubstituted alkene sites was achieved in the presence of the 1,1-disubstituted counterpart. Thus, starting from the triene precursor a ring-closing metathesis (RCM) reaction was performed to form the (12E)- and (12Z)-cycloalkenes. The latter were then subjected to regio- and stereoselective asymmetric dihydroxylation (AD), respec- tively, to produce the 12,13-diols. Further oxidative cleavage of the diols furnished amphidinin B. More details are dis- cussed in the article by Dai et al. on page 105—110. COMMUNICATIONS OTBS OTBS Stereospecific Synthesis of Drospire- none H H ZnI /Et SiH 2 3 HH HH 90% OH TBSO TBSO OH OH HH Gang Deng, Zuogang Huang, Xiaolong drospirenone Zhao, Zheng Li, Yuanchao Li,* Biao Jiang* 6 © 2013 SIOC, CAS, Shanghai, & WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Chin. J. Chem. 2013, 31, 6—13 A Formal Synthesis of Iridoid 9-De- H Steps oxygelsemide HO (S)-carvone 9-deoxygelsemide (1) Starting from the known

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Chinese Journal of Chemistry – Wiley

Published: Jan 1, 2013

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