Simple indole alkaloids and those with a nonrearranged monoterpenoid unit

M Ishikura, T Abe, T Choshi, S Hibino - Natural product reports, 2015 - pubs.rsc.org
Covering: 2012 to 2013. Previous review: Nat. Prod. Rep., 2013, 30, 694–752 This review
covers the literature on simple indole alkaloids and those with a nonrearranged …

Multicomponent reactions: advanced tools for sustainable organic synthesis

RC Cioc, E Ruijter, RVA Orru - Green Chemistry, 2014 - pubs.rsc.org
Sustainable or green chemistry has established firm ground providing essential design
criteria for the development of efficient chemical syntheses of complex, high added value …

Domino‐Ring Opening‐Cyclization (DROC) of Donor‐Acceptor (DA) Cyclopropanes

R Talukdar, A Saha, MK Ghorai - Israel Journal of Chemistry, 2016 - Wiley Online Library
A new concept called “domino‐ring opening‐cyclization (DROC)” has been introduced by us
where both the reactive centres of the DA cyclopropane participate in the bond formation …

Total Synthesis of Hapalindole‐Type Natural Products

Z Lu, M Yang, P Chen, X Xiong, A Li - Angewandte Chemie, 2014 - Wiley Online Library
A unified and bioinspired oxidative cyclization strategy was used in the first total syntheses
of naturally occurring 12‐epi‐hapalindole Q isonitrile, hapalonamide H, deschloro 12‐epi …

Diastereoselective Synthesis of Functionalized Tetrahydrocarbazoles via a Domino-Ring Opening–Cyclization of Donor–Acceptor Cyclopropanes with Substituted 2 …

R Talukdar, DP Tiwari, A Saha, MK Ghorai - Organic letters, 2014 - ACS Publications
A new domino synthetic approach for the synthesis of highly functionalized
tetrahydrocarbazoles via DROC of various functionalized DA-cyclopropanes with 2 …

Two-carbon ring expansion of cyclobutanols to cyclohexenones enabled by indole radical cation intermediate: development and application to a total synthesis of …

A Leclair, Q Wang, J Zhu - Acs Catalysis, 2022 - ACS Publications
A single-electron transfer (SET) oxidation of indole or benzo [b] thiophene to a radical cation
reverses the intrinsic polarity of these π-excessive bicyclic heteroarenes. Here we report an …

New synthetic routes to (+)-uleine and (−)-tubifolidine: general approach to 2-azabicyclo [3.3. 1] nonane indole alkaloids

DH Kim, JH Kim, TH Jeon, CG Cho - Organic letters, 2020 - ACS Publications
Novel asymmetric synthetic routes to (+)-uleine and (−)-tubifolidine are reported herein. The
regioselective formation of enol triflates from 2-azabicyclo [3.3. 1] nonane ketones followed …

Total synthesis of (+)-gilbertine: a cyclopentanone-based approach

B Wei, P Cheng, L Zu - Organic Letters, 2022 - ACS Publications
From methyl jasmonate, the concise asymmetric total synthesis of uleine alkaloid gilbertine
was reported. The synthesis demonstrated the power of a cyclopentanone-based approach …

Palladium-catalyzed Ullmann cross-coupling/Tandem reductive cyclization route to key Members of the Uleine Alkaloid family

F Tang, MG Banwell, AC Willis - The Journal of Organic Chemistry, 2016 - ACS Publications
The trisubstituted cyclohexenone 12, generated through a palladium-catalyzed Ullmann
cross-coupling reaction between o-iodonitrobenzene and a 4, 5-trans-disubstituted 2-iodo-2 …

Enantioselective Total Synthesis of (+)‐Nordasycarpidone,(+)‐Dasycarpidone, and (+)‐Uleine

B Delayre, C Fung, Q Wang, J Zhu - Helvetica Chimica Acta, 2021 - Wiley Online Library
The structure of uleine type alkaloids is characterized by the presence of a bridged
tetracyclic hexahydro‐1H‐1, 5‐methanoazocino [4, 3‐b] indole ring system 1. Various …