1.General Synthetic Entry to Highly-Oxygenated Angularly-Fused Polycyclic Aromatic Compounds” S. Koo, L. S.      Liebeskind,* J. Am. Chem. Soc. 1995, 117, 3389-3404.

2.“Microbial Deoxygenation of N- with Baker'sYeast-NaOH” W. Baik,* D. I. Kim, S. Koo, J. U. Rhee, S. H. Shin, B. H. Kim, Tetrahedron Lett. 1997, 38, 845-848.

3.“Highly Efficient Synthesis of Methyl-Substituted Conjugate Cyclohexenones” B.-D. Chong, Y.-I. Ji, S.-S. Oh, J.-D. Yang, W. P. Baik, S. Koo,* J. Org. Chem. 1997, 62, 9323-9325.

4.“Chemoselective Reactions of Anthrone with α,β-Unsaturated Ketones” W. Baik,* C. H. Yoon, K. C. Lee, H. J. Lee, S. Koo, J. Kim, B. Yoon, H. Kim, J. Chem. Res. 1998, 358-359.

5.“LiAlH4 Promoted Reductive Deoxygenation of Hydroxybenzyl Alcohols via Benzoquinone Methide Intermediates” W. Baik,* H. J. Lee, S. Koo, B. H. Kim, Tetrahedron Lett. 1998, 39, 8125-8128.

6.“Photostimulated Reductive Cyclization of o-Nitrophenylazo Dyes Using Sodium Hydroxide in Isopropyl Alcohol. A New Synthesis of 2-Aryl-2H-benzotriazoles” W. Baik,* C. H. Yoo, S. Koo, H. Kim, Y. H. Hwang, B. H. Kim, S. W. Lee, Heterocycles 1999, 51, 1779-1783.

7.“Diallylic Sulfides as Key Structures for Carotenoid Syntheses” H. J. Choi, M. Ji, M. Park, I.-K. Yun, S.-S. Oh, W. Baik, S. Koo,* J. Org. Chem. 1999, 64, 8051-8053.

8.“NBS-Promoted Reactions of Symmetrically Hindered Methylphenols via p-Benzoquinone Methide” W. Baik,* H. J. Lee, J. M. Jang, S. Koo, B. H. Kim, J. Org. Chem. 2000, 65, 108-115.

9.“Highly Efficient Synthesis of Bicyclo[3.3.1]nonane Skeleton” J.-D. Yang, M.-S. Kim, M. Lee, W. Baik, S. Koo,* Synthesis 2000, 801-804.

10.Highly Efficient Chain-extension Process in the Systematic Syntheses of Carotenoid Natural Products” M. Ji, H. Choi, M. Park, M. Kee, Y. C. Jeong, S. Koo,* Angew. Chem., Int. Ed. 2001, 40, 3627-3629.

11.Selective Oxidation of Allylic Sulfides by Hydrogen Peroxide with Trirutile-type Solid Oxide Catalyst - LiNbMoO6” S. Choi, J.-D. Yang, M. Ji, H. Choi, M. Kee, K.-H. Ahn, S.-H. Byeon, W. Baik, S. Koo,* J. Org. Chem. 2001, 66, 8192-8198.

12.The Reactivity and Stability Studies of Benzoquinone Methides by Ab Initio Calculations” W. Baik,* S. J. Kim, E.-Y. Hurh, S. Koo, B. H. Kim, Bull. Korean Chem. Soc. 2001, 22, 1127-1130.

13. “Mn(III)-Mediated Radical Cyclization for 1-3-Octalone Synthesis” M. Lee, J.-D. Yang, M.-S. Kim, H.-S. Jeon, W. Baik, S. Koo,* Bull. Korean Chem. Soc. 2002, 23, 736-740.

14. “Identification of FM001 as Plant Growth-Promoting Substance from Acremonium strictum MJN1 Culture” J.-H. Jung, D.-M. Shin, W.-C. Bae, S.-K. Hong, J.-W. Suh, S. Koo, B.-C. Jeong,* J. Microbiol. Biotech. 2002, 12, 327-330.

15.Allylic Triene Sulfones as Key Synthons for Carotenoid Synthesis” M. Ji, H. Choi, Y. C. Jung, J. Jin, W. Baik, S. Lee, J. S. Kim, M. Park, S. Koo,* Helv. Chim. Acta 2003, 86, 2620-2628.

16.The Friedel-Crafts Allylation of a Prenyl Group Stabilized by a Sulfone Moiety - Expeditious Syntheses of Ubiquinones and Menaquinones”J.-H. Min, J.-S. Lee, J.-D. Yang, S. Koo,* J. Org. Chem. 2003, 68, 7925-7927.

17.The intramolecular Baylis-Hillman reaction: easy preparation of versatile substrates, facile reactions, and synthetic applications” J.-E. Yeo, X. Yang, H. J. Kim, S. Koo,* Chem. Commun. 2004, 236-237.

18.Highly Efficient and General Synthetic Method of Various Retinyl Ethers” J. S. Lee, Y. C. Jeong, M. Ji, W. Baik. S. Lee, S. Koo,* Synlett 2004, 1937-1940.

19. A computational Investigation of the Stability of Cyclopropyl Carbenes” W. Baik,* C. H. Yoon, S. Koo, B. H. Kim, Bull. Korean Chem. Soc. 2004, 25, 90-96.

20. Preparation of the conjugated polyene chains with the 1,4-dimethyl substitution” H.-S. Jeon, S. Koo,* Tetrahedron Lett. 2004, 45, 7023-7026.

21.Lewis acid-catalyzed reactions of anthrone: Preference for cycloaddition reaction over conjugate addition depending on the functionality of α,β-unsaturated carbonyl compounds” W. Baik,* C. H. Yoon, S. Koo, H. Kim, J. Kim, J. Kim, S. Hong, Bull. Korean Chem. Soc. 2004, 25, 491-500.

22. “General and systematic synthetic entry to carotenoid natural products Y. C. Jeong, M. Ji, J. S. Lee, J.-D. Yang, J. Jin, W. Baik, S. Koo,* Tetrahedron 2004, 60, 10181-10185.

23.Stereoselective and Convergent Syntheses of Retinoic Acid and Its Ester Derivatives by the Sulfone Olefination Reaction” H.-S. Jeon, J. E. Yeo, Y. C. Jeong, S. Koo,* Synthesis 2004, 2813-2820.

24.Efficient Syntheses of Keto-carotenoid Canthaxanthin, Astaxanthin, and Astacene” S. Choi, S. Koo,* J. Org. Chem. 2005, 70, 3328-3331.

25.Efficient one-pot transformation of aminoarenes to haloarenes using halodimethylisulfonium halides generated in situ” W. Baik,* W. Luan, H. J. Lee, C. H. Yoon, S. Koo, B. H. Kim, Can. J. Chem. 2005, 83, 213-219.

26.Preparation of 1,4-hydrobenzoquinones by the PCC/SiO2-promoted double oxidation of 3-cyclohexene-1,2-diols” H. J. Kim, S. Koo,* Org. Biomol. Chem. 2005, 3, 3479-3481.

27.Sulfone Coupling and Double Elimination Strategy for Carotenoid Synthesis” S. K. Guha, S. Koo,* J. Org. Chem. 2005, 70, 9662-9665.

28.TMS·OTf-Catalyzed α-bromination of carbonyl compounds by N-bromosuccinimide” S. K. Guha, B. Wu, B. S. Kim, W. Baik, S. Koo,* Tetrahedron Lett. 2006, 47, 291-293.

29.Origin of the Diastereoselection in the Indium-mediated Addition of Haloallylic Sulfones to Aldehydes” J.-H. Min, S.-Y. Jung, B. Wu, J. T. Oh, M. S. Lah, S. Koo,* Org. Lett. 2006, 8, 1459-1462.

30.Stereoselective Synthesis of Allylic Sulfones via the Oxonia-Cope Rearrangement of Homoallylic Alcohols Containing a Homoallylic Sulfone Moiety” S.-Y. Jung, J.-H. Min, J. T. Oh, S. Koo,* J. Org. Chem. 2006, 71, 4823-4828.

31.Expeditious and Practical Synthesis of Lycopene” E. Choi, J. E. Yeo, S. Koo,* Adv. Synth. Catal. 2008, 350, 365-369.

32.General Preparation and Controlled Cyclization of Acyclic Terpenoids” J. Kuk, B. S. Kim, H. Jung, S. Choi, J.-Y. Park, S. Koo,* J. Org. Chem. 2008, 73, 1991-1994.

33.Ring-Expansion Protocol: Preparation of Synthetically Versatile Dihydrotropones” Y.-S. Do, R. Sun, H. J. Kim, J. E. Yeo, S.-H. Bae, S. Koo,* J. Org. Chem. 2009, 74, 917-920.

34.Synthesis of highly conductive poly(3,4-ethylenedioxythiophene) fiber by simple chemical polymerization” W. Baik, W. Luan, R. H. Zhao, S. Koo, K.-S. Kim, Synth. Metals 2009, 159, 1244-1246.

35.Conductance Control in the Stabilized Carotenoid Wires” J. Maeng, S. B. Kim, N. J. Lee, E. Choi, S.-Y. Jung, I. Hong, S.-H. Bae, J. T. Oh, B. Lim, J. W. Kim, C. J. Kang, S. Koo,* Chem. Eur. J. 2010, 16, 7395-7399.

36.Convergent synthesis of new types of stabilized carotenoid compounds” S. B. Kim, H. Kim, B. Lim, J. Maeng, S.-H. Bae, E. Choi, J. T. Oh, I. Hong, S.-Y. Jung, J. E. Yeo, S. Koo,* Pure Appl. Chem. 2011, 83, 613-620.

37.Ultrafast excited state dynamics and spectroscopy of 13,13'-diphenyl-β-carotene” K. Golibrzuch, F. Ehlers, M. Scholz, R. Oswald, T. Lenzer, K. Oum,* H. Kwon, S. Koo,* Phys. Chem. Chem. Phys. 2011, 13, 6340-6351.

38.Selective Deoxygenation of Allylic Alcohol; Stereo-controlled Synthesis of Lavandulol” H. J. Kim, L. Su, H. Jung, S. Koo,* Org. Lett. 2011, 13, 2682-2685.

39.Mn(III)-Promoted Tandem Oxidation and Cyclization of β-Ketoester Derivatives of Terpenoids” Z. Li, H. Jung, M. Park, M. Lah, S. Koo,* Adv. Synth. Catal. 2011, 353, 1913-1917.

40.Synthesis of Coenzyme Q-10” E.-T. Oh, H. J. Kim, J. T. Oh, L. Su, I. Yun, K. Nam, J.-H. Min, J. W. Kim, S. Koo,* Eur. J. Org. Chem. 2012, 4954-4962.

41.Bis-sulfonic Acid Ionic Liquids for the Conversion of Fructose to 5-Hydroxymethyl-2-furfural” S. E. Sim, S. Kwon, S. Koo,* Molecules 2012, 17, 12804-12811.

42.Mechanism and Scope of the Mn(III)-Initiated Oxidation of beta-Ketocarbonyl Compounds; the Furan Synthesis” C. Wang, Z. Li, Y. Ju, S. Koo,* Eur. J. Org. Chem. 2012, 6976-6985.

43.Combined Effect of Polar Substituents on the Electronic Flows in the Carotenoid Molecular Wires” Y. Zhao, S. Lindsay,* S. Jeon, H.-J. Kim, L. Su, B. Lim, S. Koo,* Chem. Eur. J. 2013, 19, 10832-10835.

44.Sulfone-Mediated Syntheses of Crocetin Derivatives: Regioselectivity of Highly Functionalized Building Blocks” E.-T. Oh, Y.-H. Kim, J. Jin, L. Su, J.-A. Seo, S. Koo,* J. Org. Chem. 2014, 79, 4712-4715.

45.Catalytic Oxidation of beta-Ketoester by Mn(III)/Co(II) and Consecutive Cyclization to Heterocycles” Y. Ju, D. Miao, J. G. Seo, S. Koo,* Adv. Synth. Catal. 2014, 356, 3059-3066.

46. “Resonance Raman Spectra of Carotenoid Molecules: Influence of Methyl Substitutions” M. Macernis,* D. Galzerano, J. Sulskus, E. Kish, Y.-H. Kim, S. Koo, L. Valkunas, B. Robert, J. Phys. Chem. A 2015, 119, 56-66.

47. “Regioselective Synthesis of 1,3- and 1,2-Tocopheryl Glyceride Ethers of Carboxylic Acids” B. S. Choi, J. Choi, S. Bak, S. Koo,* Eur. J. Org. Chem. 2015, 514-524.

48.Synthesis and characterization of multi-walled carbon nanotubes-supported dibenzo-14-crown ether with proton ionizable carboxyl sidearm as Li+ adsorbents” R. E. C. Torrejos, G. M. Nisola, M. J. Park, H. K. Shon, J. G. Seo, S. Koo, W.-J. Chung, Chem. Engineer. J. 2015, 264, 89-98.

49. “Tandem Catalytic Oxidative Deacetylation of Acetoacetic Esters and Hetero Aromatic Cyclizations” Y. Ju, D. Miao, R. Yu, S. Koo,* Org. Biomol. Chem. 2015, 13, 2588-2599.

50. “A Chain Extension Method for Apocarotenoids; Lycopene and Lycophyll Syntheses” J. Choi, E.-T. Oh, S. Koo,* Arch. Biochem. Biophys. 2015, 572, 142-150.

51.Enhanced biological activity of carotenoids stabilized by phenyl groups” J. S. You, S. Jeon, Y. J. Byun, S. Koo,* S. S. Choi,* Food Chem. 2015, 177, 339-345.

52. “Esterification of carboxylic acids with alkyl halides using imidazolium based dicationic ionic liquids containing bis-?trifluoromethane sulfonimide anions at room temperature” A. H. Jadhav, K. Lee, S. Koo, J. G. Seo,* RSC Advances 2015, 5, 26197-26208.

53.Fine-tuning of single-molecule conductance by tweaking both electronic structure and conformation of side substituents” A. Aragones, N. Darwish, J.O. Im, B. Lim, J. Choi, S. Koo,* I. Diez-Perez,* Chem. Eur. J. 2015, 21, 7716-7720.

54.One-Pot Conversion of Carbohydrates into Pyrrole-2-Carbaldehydes as Sustainable Platform Chemicals” A. Nirmal Das, S. Kwon, W.-J. Chung, S. Koo,* J. Org. Chem. 2015, 80, 7693-7701.

55.Synthesis of Tribenzotropone by Ring Expansion of Phenanthren-9,10-dione” J. Choi, H. Jung, J. E. Yeo, S. Koo,* Synthesis 2015, 47, 2971-2975.

56.Liquid-liquid extraction of lithium using lipophilic dibenzo-14-crown-4 ether carboxylic acid in hydrophobic room temperature ionic liquid” R. E. C. Torrejos, G. M. Nisola, H. S. Song, J. W. Han, C. P. Lawagon, J. S. Seo, S. Koo, H. Kim, W.-J. Chung, Hydrometallurgy 2016, 164, 362-371.

57.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.

58.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.

59.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.

60.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.

61.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.

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

63.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.

64. “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.

65. “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.

66.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.

67. “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.

68. “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.

69. “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.).

70.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.).

71. “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.).

72. “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).

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

74. “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).

75. 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).

76.“Apocarotenals of phenolic carotenoids for superior antioxidant activities” Gaosheng Shi, Lina Gu, Hyunuk Jung, Wook-Jin Chung, Sangho Koo,* ACS Omega 2021, 6, 25096-25108 (2021.9.16.). DOI:org/10.1021/acsomega.1c04432.

77..Furan Oxidation by Mn(III)/Co(II) catalysts–Application to Benzofuran Synthesis” Tingshu Wang, Miao Zhang, Yifan Zheng, Junmo Seong, Myoung Soo Lah, Sangho Koo,* RSC Advances 2021, 11, 31395-31399 (2021.09.22). DOI:10.1039/d1ra05305a.

78. “Ribose conversion with amino acids into pyrraline platform chemicals - expeditious synthesis of diverse pyrrole-fused alkaloid compounds” Soohyeon Cho, Lina Gu, Ik Joon In, Bo Wu, Taehoon Lee, Hakwoon Kim, Sangho Koo,* RSC Advances 2021, 11, 31511-31525 (2021.09.23). DOI: 10.1039/d1ra06110k.

79. 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 (2021.11.15)



1. Encyclopedia of Reagents for Organic Synthesis, Wiley, 1995:

 「Allyl Trifluoromethanesulfonate Vol. 1, pp 130;

   Bis(N-propylsalicylideneaminato)cobalt(II)   Vol. 1, pp 552;

   3-Nitro-9-nitrosocarbazole Vol. 6, pp 3747;

   N-Phenylcampholylhydroxamic Acid Vol. 6, pp 3965; Thallium(I) Acetate Vol. 7, pp 4832.

2. Science of Synthesis, Thieme, 2009: Vol. 45.30 Conjugated Polyenes.

3. e- Encyclopedia of Reagents for Organic Synthesis, Wiley, 2011: 4-Bromo-1-chloro-2-methyl-2-butene.