133788-00-8Relevant articles and documents
Trapping bicyclic titanacyclopentenes with bis(trichloromethyl) carbonate (BTC): A new method to bicyclic cyclopentenones
Zhao, Zongbao,Ding, Yu
, p. 171 - 172 (1998)
Bis(trichloromethyl) carbonate is found to trap bicyclic titanacyclopentenes providing a new method for bicyclization of enynes into bicyclic cyclopentenones.
Formate as a CO surrogate for cascade processes: Rh-catalyzed cooperative decarbonylation and asymmetric Pauson-Khand-type cyclization reactions
Lee, Hang Wai,Chan, Albert S. C.,Kwong, Fuk Yee
, p. 2633 - 2635 (2007)
A rhodium-(S)-xyl-BINAP complex-catalyzed tandem formate decarbonylation and [2 + 2 + 1] carbonylative cyclization is described; this cooperative process utilizes formate as a condensed CO source, and the newly developed cascade protocol can be extended t
Rhodium-catalyzed intramolecular Pauson-Khand reaction
Koga, Yuji,Kobayashi, Toshitake,Narasaka, Koichi
, p. 249 - 250 (1998)
A rhodium dinuclear carbonyl complex, [RhCl(CO)2]2, serves as a catalyst of the intramolecular Pauson-Khand reaction. 1,6-Enynes are converted to cyclopentenone derivatives in high yield by heating in the presence of the catalyst und
Inhibition of enone reduction in aqueous-phase Pauson-Khand reactions
Krafft, Marie E.,Wright, James A.,Bo?aga, Llorente V. R.
, p. 71 - 74 (2005)
NMO-promoted room temperature cyclizations of the cobalt carbonyl complexes of substrates bearing terminal and internal alkynes gave exclusively the Pauson-Khand (PK) reaction adducts in a water-Triton X-100 medium.
Immobilized heterobimetallic Ru/Co nanoparticle-catalyzed Pauson-Khand-type reactions in the presence of pyridylmethyl formate
Park, Kang Hyun,Son, Seung Uk,Chung, Young Keun
, p. 1898 - 1899 (2003)
Heterobimetallic Ru/Co nanoparticles, immobilized on charcoal, were synthesized and used as catalysts in the Pauson-Khand-type reaction in the presence of pyridylmethyl formate instead of carbon monoxide; the catalysts were effective for intra- and interm
Intramolecular Alkyne-Alkyne and Alkyne-Alkene Couplings Promoted by Iron Carbonyls
Pearson, Anthony J.,Dubbert, Robert A.
, p. 202 - 203 (1991)
The first examples of iron carbonyl-promoted intramolecular coupling of alkyne and alkene, giving rise to cyclopentenones, are described.
Titanocene-catalyzed cyclocarbonylation of enynes to cyclopentenones
Hicks, Frederick A.,Kablaoui, Natasha M.,Buchwald, Stephen L.
, p. 9450 - 9451 (1996)
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Iridium-catalyzed cascade decarbonylation/highly enantioselective Pauson-Khand-type cyclization reactions
Kwong, Fuk Yee,Lee, Hang Wai,Lam, Wai Har,Qiu, Liqin,Chan, Albert S.C.
, p. 1238 - 1252 (2006)
An easily accessible chiral iridium-BINAP complex can effect the cooperative processes of decarbonylation of an aldehyde and cascaded enantioselective Pauson-Khand-type reaction. A survey of ligands revealed that atropisomeric aryl-diphosphine ligands wer
A nickel(0)-catalyzed process for the transformation of enynes to bicyclic cyclopentenones
Zhang, Minghui,Buchwald, Stephen L.
, p. 4498 - 4499 (1996)
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Iridium-catalyzed enantioselective Pauson-Khand-type reaction of 1,6-enynes
Shibata, Takanori,Toshida, Natsuko,Yamasaki, Mitsunori,Maekawa, Shunsuke,Takagi, Kentaro
, p. 9974 - 9979 (2005)
Iridium-chiral diphosphine complex catalyzes an enantioselective intramolecular Pauson-Khand-type reaction to give various chiral bicyclic cyclopentenones. The enantioselective reaction proceeds more smoothly and enantioselectively under a lower partial p
Rhodium(i)-catalyzed Pauson-Khand-type reaction using formic acid as a CO surrogate: An alternative approach for indirect CO2 utilization
Lang, Xian-Dong,You, Fei,He, Xing,Yu, Yi-Chen,He, Liang-Nian
, p. 509 - 514 (2019/02/14)
Formic acid is found to be an ideal CO surrogate for the rhodium(i)-catalyzed Pauson-Khand-type (PK-type) reaction of various substituted 1,6-enynes to afford bicyclic cyclopentenones in moderate to good yields. High TON value of up to 263 and good results in the gram-scale experiment were also obtained, demonstrating the efficacy of this methodology. In addition, heterocyclic molecules of pharmaceutical importance were also furnished via inter- or intra-molecular hetero-PK-type reactions, further broadening the application of current strategy. In this protocol, formic acid was utilized as a bridging molecule for the conversion of CO2 to CO, since formic acid is manufactured via catalytic hydrogenation of CO2 and releases CO in the presence of acetic anhydride readily. Therefore, this methodology represents a green and indirect approach for chemical valorization of CO2 in the preparation of value-added compounds.
A catalytic scalable Pauson-Khand reaction in a plug flow reactor
García-Lacuna, Jorge,Domínguez, Gema,Blanco-Urgoiti, Jaime,Pérez-Castells, Javier
supporting information, p. 4014 - 4017 (2017/04/11)
A catalytic, scalable intra- and intermolecular Pauson-Khand reaction protocol using generally 5 mol% of Co2(CO)8 as the catalyst in a plug flow reactor (PFR) is shown.
