Beta-Carotene

¥â-Carotene


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   Recent Publications 

 ¡°Multidentate thia-crown ethers as hyper-crosslinked macroporous adsorbent resins for  the efficient       Pd/Pt recovery and separation from highly acidic spent automotive  catalyst leachate¡± R. E. C.  Torrejos, E. C. Escobar, J. W. Han, S. H. Min, H. Yook,  K. J. Parohinog, S. Koo, H. Kim, G. M. Nisola, W.-J. Chung, Chemical Engineering  Journal 2021, 424, 130379.

 ¡°Tuning Single-Molecule Conductance by Controlled Electric Field-Induced trans-to-cis   Isomerisation¡± C.S. Quintans, D. Andrienko, K.F. Domke, D. Aravena, S. Koo, I.   Díez-Pérez, A.C. Aragonès, Applied Sciences 2021, 11(8), 3317. (online Apr. 7, 2021).

 ¡°Syntheses of Chalcone-Derived Heteroaromatics with Anti-bacterial Activities¡± H. Jin,   X. Jiang, H. Yoo, T. Wang, C.l G. Sung, U. Choi, C.-R. Lee,* H. Yu, S. Koo*   ChemistrySelect 2020, 5(40), 12421-12424. (online Oct. 29, 2020).

 ¡°Concise and practical synthesis of (+)-Abscisic acid¡± D. Kim and S. Koo* ACS Omega   2020, 5(22), 13296-13302. (2020.05).

¡°Crown ethers "clicked" on fibrous polyglycidyl methacrylate for selective Li+ retrieval from aqueous   sources¡± G. M. Nisola, K. J. Parohinoga, R. E. C. Torrejos, S. Koo, S.-P. Lee,* H. Kim,* W.-J.  Chung,*  Colloids and Surfaces A 2020, 595, 124709 (2020.04).

 ¡°Synthetic strategy for tetraphenyl-substituted all-E-carotenoids with improved   molecular properties¡± B. Lim, H. Jung, H. Yoo, M. Park, H. Yang, W.-J. Chung, S.   Koo* European Journal of Organic Chemistry 2020, (11), 1769-1777 (2020.03.16.).

 ¡°Synthesis and application of novel hydroxylated thia-crown ethers as composite   ionophores for selective recovery of Ag+ from aqueous sources¡± H. T. Fissaha, G. M.   Nisola, F. K. Burnea, J. Y. Lee, S. Koo, S.-P. Lee, H. Kim, W.-J. Chung* Journal of   Industrial and Engineering Chemistry 2020, 81, 415-426 (2020.01.25.).

 ¡°Bromoacetate Olefination Protocol for Norbixin and Julia-Kocienski Olefination for Its   Ester Syntheses¡± D. Kim, M. Alam, W.-J. Chung, S. Koo* ACS Omega 2019, 4(6),   10019-10024 (2019.06.07.).

 ¡°Synthesis of Phenyl-2,2?-bichalcophenes and Their Aza-analogues by Catalytic   Oxidative Deacetylation¡± X. Jiang, H. Jin, T. Wang, H. Yoo, S. Koo* Synthesis 2019,   51(17), 3259-3268. DOI:10.1055/s-0037-1611564.

 ¡°7-?Deoxynarciclasine shows promising antitumor efficacy by targeting Akt against   hepatocellular carcinoma¡± S. Yin,* Y. Qiu,* C. Jin,* R. Wang, S. Wu, H. Liu, S. Koo,   L. Han, Y. Zhang, X. Gao, X. Pang, T. Wang and H. Yu International Journal of  Cancer  2019, DOI:10.1002/ijc.32395.

 ¡°Aqueous Synthesis of 14-15-Membered Crown Ethers with Mixed O, N, and S   Heteroatoms: Experimental and Theoretical Binding Studies with Platinum-Group   Metals¡± R. E. C. Torrejos, G. M. Nisola, S. H. Min, J. W. Han, S. Koo, K. J. Parohinog,   S. Lee, H. Kim, W.-J. Chung,* ChemPlusChem 2019, 84, 210-221.

 ¡°Fast Assembly and High-Throughput Screening of Structure and Antioxidant   Relationship of Carotenoids¡± D. Kim, G. Shi, Y. Kim, S. Koo* Org. Lett. 2019, 21,   714-718.

 ¡°Lycorin Displays Potent Antitumor Efficacy in Colon Carcinoma by Targeting STAT3  ¡± S. Wu, Y. Qiu, Y. Shao, S. Yin, R. Wang, X. Pang, J. Ma, C. Zhang, B. Wu, S. Koo,   L. Han, Y. Zhang, X. Gao, T. Wang, H. Yu,* frontiers in Pharmacology, 2018, 9,   881/1-881/11.

 ¡°Role of Ring Ortho Substituents on the Configuration of Carotenoid Polyene Chains¡±   M. Kim, H. Jung, A. C. Aragones, I. Diez-Perez, K.-H. Ahn, W.-J. Chung, D. Kim, S.   Koo* Org. Lett. 2018, 20, 493-496.

 ¡°Deprotection of durable benzenesulfonyl protection for phenols – efficient synthesis of   polyphenols¡± M. S. Alam, S. Koo* Synth. Commun. 2018 , 48, 247-254.

 ¡°Aerosol Cross-Linked Crown Ether Diols Melded with Poly(vinyl alcohol) as   Specialized Microfibrous Li+ Adsorbents¡± L. A. Limjuco, G. M. Nisola, R. E. C.   Torrejos, J. W. Han, H. S. Song, K. J. Parohinog, S. Koo, S.-P. Lee, W.-J. Chung, ACS   Appl. Mater. Interfaces 2017, 9, 42862-42874.

 ¡°Systematic synthesis of diphenyl-substituted carotenoids as molecular wires¡± B. Lim,   E.-T. Oh, J.O. Im, K. S. Lee, H. Jung, M. Kim, D. Kim, J. T. Oh, S.-H. Bae, W.-J.   Chung, K.-H. Ahn, S. Koo* Eur. J. Org. Chem. 2017, 6390-6400.

¡°Aethusifolins A–D: Four new components from a traditional Mongolian medicinal herb   Clematis aethusifolia Turcz¡± Y. Chang, P. Zhang, J. Jurhiin, X. Zhang, W. Borgihiin,  H.  Zhao, S. Koo, W.-D. Rausch, B. Agula, B. Bao, Phytochem. Lett. 2017, 22, 87-91.

 ¡°Design of lithium selective crown ethers: Synthesis, extraction and theoretical binding   studies¡± R. E. C. Torrejos,   G. M. Nisola, H. S. Song, L. A. Limjuco, C. P. Lawagon, K.   J. Parohinog, S. Koo, J. W. Han, W.-J. Chung, Chem. Engineer. J. 2017, 326, 921-933.

 ¡°Efficient preparation method of 4-hydroxybenzoic esters – Oxidation of substituted  Hagemman¡¯s ester¡± S. Kang, D. Kim, I. J. In, S. Koo* Tetrahedron Lett. 2017, 58,  2264-2266.