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Synlett 1992; 1992(10): 840-842
DOI: 10.1055/s-1992-21512
DOI: 10.1055/s-1992-21512
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
Total Synthesis of 3,4-Dihydromilbemycin G: Synthesis of the 'Lower Hemisphere' of α-Milbemycins and Avermectins
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Publikationsverlauf
Publikationsdatum:
08. März 2002 (online)
Closure of the tetrahydrofuran ring via an intramolecular SN2 reaction is the last step in a convergent synthesis of 3,4-dihydromilbemycin G 13. The hydroxybutenolide 31 has been prepared and converted into the lactone 33.