Morphinan derivatives with an oxabicyclo [3.2. 1] octane structure as dual agonists toward δ and κ opioid receptors

Y Uenohara, S Tsumura, S Hirayama, E Higashi… - Bioorganic & Medicinal …, 2022 - Elsevier
… Herein, we report an attempt to design and synthesize novel KOR … Synthesis of new opioid
derivatives with a propellane skeleton and their pharmacologies: Part 5, novel pentacyclic

Isolation, biosynthesis, and chemical syntheses of the hasubanan and acutumine alkaloids: A historical perspective

DC Grünenfelder, SE Reisman, R Navarro - Tetrahedron, 2023 - Elsevier
skeletal rearrangement of 17 to 5 has not been validated in a biosynthetic context, researchers
have successfully converted a morphine derivative to a propellane … affords pentacycle

Enantioselective Total Synthesis of (+)-Stephadiamine

B Yang, G Li, Q Wang, J Zhu - Journal of the American Chemical …, 2023 - ACS Publications
… as its 4-bromobenzoylated derivative. Different from the parent hasubanan alkaloids, this
pentacyclic alkaloid contains an aza[4.3.3]propellane … [4.3.3]propellane skeleton. (16) Based on …

New small-molecule analgesics

SS Laev, NF Salakhutdinov - Current Medicinal Chemistry, 2021 - ingentaconnect.com
… Aside from position 14 of the morphinan skeleton, the N-substituent also plays an important
role in opioid activities and, thus, newPentacyclic propellane derivatives were designed and …

[图书][B] Novel Plant Natural Product Skeletons: Discoveries from 1999-2021

Y Cheng, D Qin - 2024 - books.google.com
Their pentacyclic caged structures were identified by the … Notably, 13 features a novel carbon
skeleton with a new C-2-C-10 … They are two novel ent-2,3-seco-aromadendrane derivatives