Accessing highly functionalized cyclopentanoids via a cascade palladation approach: unprecedented benzylic C–H activation towards cyclopentenoindanes

PV Santhini, AS Smrithy, CPI Jesin… - Chemical …, 2018 - pubs.rsc.org
A Pd-catalyzed synthesis of 3, 4, 5-trisubstituted cyclopentenes from diazabicyclic olefins
and o-iodobenzoates has been developed. The hitherto unknown cascade process involves …

Highly Efficient Cascade Reaction for Selective Formation of Spirocyclobutenes from Dienallenes via Palladium-Catalyzed Oxidative Double Carbocyclization …

Y Qiu, B Yang, C Zhu, JE Bäckvall - Journal of the American …, 2016 - ACS Publications
A highly selective cascade reaction that allows the direct transformation of dienallenes to
spirocyclobutenes (spiro [3.4] octenes) as single diastereoisomers has been developed. The …

[HTML][HTML] Palladium-catalysed 5-endo-trig allylic (hetero) arylation

B Singh, SK Bankar, K Kumar, SSV Ramasastry - Chemical Science, 2020 - pubs.rsc.org
A palladium-catalysed intramolecular allylic (hetero) arylation strategy for the synthesis of
fused cyclopentenes incorporated with all-carbon quaternary and spiro centres is described …

Palladium-Catalyzed Vinylation of Cyclopentenes with Inverted Z,E-Isomerism of Vinylic Substrates

CT Yen, YH Liu, SM Peng, ST Liu - Organic Letters, 2022 - ACS Publications
A palladium-promoted Mizoroki–Heck type reaction employing a directing-group strategy to
efficiently produce the coupled vinyl cyclopentenes with excellent regio-and stereoselectivity …

Pd-Catalyzed Nazarov-Type Cyclization: Application in the Total Synthesis of β-Diasarone and Other Complex Cyclopentanoids

B Singh, SK Bankar, SSV Ramasastry - Organic Letters, 2022 - ACS Publications
We describe the palladium-catalyzed Nazarov-type cyclization of easily accessible (hetero)
arylallyl acetates to pentannulated (hetero) arenes. This method provides ready access to …

1, 2-Oxopalladation versus π-allyl palladium route. A regioconvergent approach to a key intermediate for cyclopentanoids synthesis. New insights into the Pd (II) …

G Zanoni, A Porta, A Meriggi, M Franzini… - The Journal of Organic …, 2002 - ACS Publications
Regioconvergent synthesis of the key lactone 1 from an equimolar mixture of the two olefins
4 and 5 was achieved by unique Pd (II) chemistry. The synthetic versatility of lactone 1 has …

Palladium-catalyzed carbo-aminative cyclization of 1, 6-enynes: access to napthyridinone derivatives

U Suri Babu, MKR Singam, MN Kumar… - Organic …, 2022 - ACS Publications
1, 6-Enynes have recently stimulated enormous attention toward paving the way to unique
cascade cyclizations offering complex cyclic motifs from linear substrates. We describe …

Synthesis of 1, 2-disubstituted cyclopentenes by palladium-catalyzed reaction of homopropargyl-substituted dicarbonyl compounds with organic halides via 5-endo …

D Fujino, H Yorimitsu, A Osuka - Organic letters, 2012 - ACS Publications
Palladium catalysts with bulky biaryl phosphine ligands allow homopropargyl-substituted
dicarbonyl compounds to undergo intramolecular addition via a rare 5-endo-dig pathway. C …

Substrate-controlled, PBu 3-catalyzed annulation of phenacylmalononitriles with allenoates enables tunable access to cyclopentenes

NK Vaishanv, SP Chandrasekharan… - Chemical …, 2020 - pubs.rsc.org
Divergence in the PBu3-catalyzed [3+ 2] annulation of phenacylmalononitriles with
allenoates, controlled by the γ-substitution on allenoates, offers a tunable synthesis of …

Palladium-catalyzed regioselective cyclopropanating allenylation of (2, 3-butadienyl) malonates with propargylic carbonates and their application to synthesize …

W Shu, G Jia, S Ma - Organic letters, 2009 - ACS Publications
An efficient and highly regioselective route to synthesize polysubstituted 1, 3, 4-alkatrien-2-yl
cyclopropane derivatives via Pd (0)-catalyzed highly regioselective coupling cyclization of …