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Ophiobolin Sesterterpenoids and Pyrrolidine Alkaloids from the Sponge‐Derived Fungus Aspergillus ustus

HB Liu, RA Edrada‐Ebel, R Ebel… - Helvetica Chimica …, 2011 - Wiley Online Library
Introduction. – In the last decade, marine microorganisms, such as bacteria, microalgae, and
fungi, have become increasingly attractive as sources of new bioactive natural products
[1][2]. Fungi have proven to be particularly prolific sources of new compounds compared ...
Cited by 2 - Related articles

Stereoselective synthesis of (+)-radicamine B

G Shankaraiah, R Sateesh Chandra Kumar… - Tetrahedron Letters, 2011 - Elsevier
... Graphical abstract. Full-size image (7K). Keywords: Pyrrolidine alkaloids; Radicamines;
Sharpless asymmetric epoxidation; HWE olefination. ... Keywords: Pyrrolidine alkaloids,
Radicamines, Sharpless asymmetric epoxidation, HWE olefination. ...

A new method of synthesising (±)-thalictroidine and (±)-hygrine

T Ponpandian… - Tetrahedron Letters, 2011 - Elsevier
... A new route to synthesise (±)-thalictroidine and (±)-hygrine by tandem S N 2-Micheal reaction
is described. Graphical abstract. Full-size image (8K). Keywords: (±)-thalictroidine; (±)-hygrine;
tandem S N 2-Micheal reaction; Wittig reagent; piperidine alkaloids; pyrrolidine alkaloids. ...
All 2 versions

Enantioselective Syntheses of 2, 5‐Disubstituted Pyrrolidines Based on Iridium‐Catalyzed Allylic Aminations—Total Syntheses of Alkaloids from Amphibian Skins

M Gärtner, R Weihofen… - Chemistry-A European …, 2011 - Wiley Online Library
As substrates the carbonates 1 a–f were used, which were prepared by standard procedures
(Table 1).24 The N,N-diacylamines NH(CHO)Boc (Boc=tert-butoxycarbonyl) and
NH(CHO)Cbz25 (Cbz=carbobenzyloxy) were employed as pronucleophiles under ...
Related articles - All 2 versions

Concise Synthesis of Pyrrolidine and Indolizidine Alkaloids by a Highly Convergent Three‐Component Reaction

G Lapointe, K Schenk… - Chemistry-A European …, 2011 - Wiley Online Library
Pyrrolidine and indolizidine skeletons represent a vast class of natural products1 that possess
diverse biological activities.2 Despite the relative simplicity of these scaffolds, the development
of efficient and general synthetic approaches remains a challenge.3, 4 One of the major ...
Related articles - All 2 versions

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