Covering: 2007 to 2009 This review covers the most recent applications of organocatalysis
in the synthesis of natural products and non-natural biologically active molecules. Our aim is …

The tetrahydro-β-carboline (THBC) nucleus is a predominant feature of a vast array of
naturally occurring alkaloids. Most of these alkaloids have been found to exhibit significant …

Nine new indole alkaloids, rhazinoline (1), 19 (S)-methoxytubotaiwine (2), 19 (R)-
methoxytubotaiwine (3), kopsamidine A (4), kopsamidine B (5), kopsinidine A (6) …

Eleven new indole alkaloids, in addition to the previously reported rhazinal (1), and 14 other
known alkaloids, were obtained from the Malayan Kopsia singapurensis, viz., kopsiloscines …

The reaction of benzyl-protected propargyl amines and 1, 1-cyclopropane diesters in the
presence of catalytic Zn (NTf2) 2 allows access to highly functionalized piperidines in …

Simple indole alkaloids and those with a nonrearranged monoterpenoid unit - Natural Product
Reports (RSC Publishing) DOI:10.1039/B820693G Royal Society of Chemistry View PDF …

Tetrahydro-β-carboline skeletons are prominent and ubiquitous in an extraordinary range of
indole alkaloid natural products and pharmaceutical compounds. Powerful synthetic …

Kopsia belongs to the family Apocynaceae, which was originally classified as a genus in
1823. Kopsia consists of medicinal plants that can be traditionally used to treat rheumatoid …

Tetrahydroisoquinolines are the framework of numerous natural products predominantly
alkaloids, an important and one of the most wide spread families of naturally occurring …

Three new indole alkaloids (1− 3), named grandilodines A− C, and five known ones were
obtained from the Malayan Kopsia grandifolia. The structures were established using NMR …