Iodanes as multi-tools for the total synthesis

C Rocq, M Denis, S Canesi - Chemical Communications, 2023 - pubs.rsc.org
Hypervalent iodine reagents are among the most fascinating reagents described in the last
30 years since they allow a plethora of different transformations and are environmentally …

Catalytic Asymmetric Total Synthesis of (−)-Garryine via an Enantioselective Heck Reaction

C Li, F Lu, Y Cai, C Zhang, Y Shao… - Journal of the …, 2023 - ACS Publications
The first asymmetric total synthesis of the hexacyclic veatchine-type C20-diterpenoid
alkaloid (−)-garryine is presented. Key steps include a Pd-catalyzed enantioselective Heck …

Forging the Tetracyclic Core Framework of Rhodomolleins XIV and XLII: A Ring-Distortion Approach

ZN Yang, H Rao, Y Yin, S Mu, Z Jia, H Ding - Organic Letters, 2024 - ACS Publications
A ring distortion approach for the synthesis of an advanced intermediate en route to
rhodomolleins XIV and XLII was described, which led to successful construction of the …

Thiourea-Mediated Stereospecific Deoxygenation of Cyanoepoxides to Access Highly Diastereopure Alkenyl Nitriles

Y Zhang, S Shi, Z Yang - The Journal of Organic Chemistry, 2024 - ACS Publications
A practical and efficient protocol for synthesis of> 99% diastereopure Z-and E-alkenyl nitriles
is developed, through tetramethylthiourea-mediated stereospecific deoxygenation of …

Asymmetric Synthesis of the Functionalized A/E-Ring Fragment of C18-Diterpenoid Alkaloids

F Lu, Y Shao, S Yan, D Yang, H Song… - The Journal of …, 2024 - ACS Publications
A new asymmetric synthesis of the A/E-ring fragment of C18-diterpenoid alkaloids is
described. The crucial contiguous stereogenic centers at C4, C5, and C11 were established …

Dealkenylative Functionalizations: Conversion of Alkene C (sp3)–C (sp2) Bonds into C (sp3)–X Bonds via Redox-Based Radical Processes

BW Dehnert, JH Dworkin, O Kwon - Synthesis, 2024 - thieme-connect.com
This review highlights the history and recent advances in dealkenylative functionalization.
Through this deconstructive strategy, radical functionalizations occur under mild, robust …

Enantioselective route to an AE-ring intermediate in the total synthesis of talatisamine

H Asai, K Hagiwara, M Inoue - Tetrahedron Letters, 2024 - Elsevier
Abstract Talatisamine [(–)-1] is a C 19-diterpenoid alkaloid with an intricately fused ABCDEF-
ring system. In 2020, we reported a total synthesis of racemic talatisamine [(±)-1], in which …

Rapid access to divergent fused polycycles via one‐pot A3 coupling and intramolecular Diels‐Alder reaction

RR Narra, VG Unnithan, Y Liu… - Chemistry–A European …, 2024 - Wiley Online Library
Divergent nitrogen‐containing fused polycyclic ring systems are constructed from simple
starting materials via a one‐pot aldehyde‐alkyne‐amine (A3) coupling and intramolecular …

Paper No. OO-18

XY Liu - iscc20.cn
The Aconitum plants have been used as traditional medicines in China for the treatment of
pain, rheumatism, and injuries, the effective components of which are an array of diterpenoid …

Synthesis of (±)-Vilmoraconitine

EM Carreira, SM Papidocha - Synfacts, 2023 - thieme-connect.com
Significance: Liu, Qin, and co-workers report the first total synthesis of (±)-vilmoraconitine, a
norditerpenoid alkaloid isolated in 2008 from Aconitum vilmorinianum. Vilmoraconitine was …