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285 Newest Publications in organic lettersrss
31-Mar-2015 | Walter L. Dorfner; Patrick J. Carroll; Eric J. Schelter, Organic Letters, 2015
Pyrroloquinoline quinones (PQQ) are important cofactors that shuttle redox equivalents in diverse metalloproteins. Quinoline 7,8-quinones have been synthesized and characterized as surrogates for PQQ to elucidate redox energetics within metalloenzyme active sites. The quinoline 7,8-quinones were ...
27-Mar-2015 | Santosh J. Gharpure; Yogesh G. Shelke; Dasari Praveen Kumar, Organic Letters, 2015
Organic Letters DOI: 10.1021/acs.orglett.5b00615
23-Mar-2015 | Xurong Qin; Denan Sun; Qiulin You; Yangyang Cheng; Jingbo Lan; Jingsong You, Organic Letters, 2015
Organic Letters DOI: 10.1021/acs.orglett.5b00532
05-Mar-2015 | Shotaro Hoshino; Toshiyuki Wakimoto; Hiroyasu Onaka; Ikuro Abe, Organic Letters, 2015
The soil-derived bacterium, Streptomyces sp. CJ-5, was cocultured with the mycolic acid-containing bacterium Tsukamurella pulmonis TP-B0596. The combined culture method significantly enhanced the production of the secondary metabolites in Streptomyces sp. CJ-5, leading to the isolation of three ...
27-Feb-2015 | Prabhakar Ramchandra Joshi; Sridhar Undeela; Doni Dhanoj Reddy; Kiran Kumar Singarapu; Rajeev S. Menon, Organic Letters, 2015
Facile conversion of α,β-unsaturated aldehydes and ketones into highly substituted arenes via a base-mediated, completely regioselective, air-oxidative [3 + 3] benzannulation reaction with readily available 4-sulfonylcrotonates or 1,3-bisphenylsulfonylpropene is reported. The reaction can also be ...
23-Feb-2015 | Kyungho Park; Sunwoo Lee, Organic Letters, 2015
Organic Letters DOI: 10.1021/acs.orglett.5b00303
20-Feb-2015 | Scott W. Krabbe; Jeffrey S. Johnson, Organic Letters, 2015
The asymmetric total syntheses of the α-benzylidene-γ-butyrolactone natural products megacerotonic acid and shimobashiric acid A have been accomplished in nine and 11 steps, respectively, from simple, commercially available starting materials. The key step for each synthesis is the ...
16-Feb-2015 | Melinda Nonn; Loránd Kiss; Matti Haukka; Santos Fustero; Ferenc Fülöp, Organic Letters, 2015
The selective introduction of fluorine onto the skeleton of an aminocyclopentane or cyclohexane carboxylate has been developed through a novel and efficient fluoride opening of an activated aziridine ring with XtalFluor-E. The reaction proceeded through a stereoselective aziridination of the ...
11-Feb-2015 | Lucy R. Peacock; Robert S. L. Chapman; Adam C. Sedgwick; Mary F. Mahon; Dominique Amans; Steven D. Bull, Organic Letters, 2015
Aryl-aldehydes containing ortho-substituted α,β-unsaturated carboxylic acid derivatives react with hydroxylamine to afford reactive N-hydroxy-carbinolamine intermediates that undergo intramolecular aza-conjugate addition reactions to afford isoindole nitrones and 3,4-dihydroisoquinoline nitrones ...
10-Feb-2015 | Eduard R. Rakhmankulov; Konstantin L. Ivanov; Ekaterina M. Budynina; Olga A. Ivanova; Alexey O. Chagarovskiy; Dmitri ..., Organic Letters, 2015
Organic Letters DOI: 10.1021/ol5037562