Journals

Highly Efficient Synthesis of Methyl Substituted Conjucate Cyclohexenones
Byong-Don Chong, Yong-Il Ji, Seong-Soo Oh, Jae-Deuk Yang, Woonphil Baik, and Sangho Koo.; J. Org. Chem. 1997 , 62,  9323

Diallylic Sulfides as Key Structures for Carotenoid Syntheses
Hojin Choi, Minkoo Ji, Minsoo Park, Seong-Soo Oh, Woonphil, and Sangho Koo.; J. Org. Chem, 1999, 64, 8051

Highly Efficient Synthesis of Bicyclo[3.3.1]nonane Skeleton
Jae-Deuk Yang, Moon-Soo Kim, Miai Lee, Woonphil Baik, Sangho Koo.; Synthesis, 2000, 6,  801-804

A Highly Efficient Chain-Extension Process in the Systematic Syntheses of Carotenoid Natural Products
Minkoo Ji, Hojin Choi, Minsoo Park, Minyong Kee, Young Cheol Jeong, and Sangho Koo.;
Angew. Chem. Int. Ed. 2001, 40(19), 3627

Selective Oxidation of Allylic Sulfindes by Hydrogen Peroxide with the Trirutile-type Solide Oxide Catalyst LiNbMoO6
Soojin Choi, Jae-Deuk Yang, Minkoo Ji, Hojin Choi, Minyong Kee, Kwang-Hyun Ahn, Song-Ho Byeon, Woonphil Baik, and Sangho Koo.; J. Org. Chem. 2001, 66(24), 8192

Mn(III)-Mediated Radical Cyclization for Δ1-Octalone Synthesis
Miai Lee, Jae-Deuk Yang, Moon-Soo Kim, Hye-Sun Jeon, Woonphil Baik,and Sangho Koo.; Bull. Korean Chem. Soc. 2002, 23(5), 736

Allylic sulfones containing triene moieties a key synthons for carotenoid synthesis
Minkoo Ji, Hojin Choi, Youngcheol, Jingquan Jin, Woonphil Baik, Sijoon Lee, Jeongsoo Kim, Minsoo Park, Sangho Koo.;Helvetica Chimica Acta.2003, 86(7), 2620

The Friedel-Crafts Alylation of a Preny Group Stabilized by a Sulfone Moiety: Expeditious Syntheses of Ubiquinones and Menaquinones
Jae-Hong Min, Jun-Sup Lee, Jae-Deuk Yang, Sangho Koo.; J. Org. Chem. 2003, 68(20), 7925

 The intramolecular Baylis Hillman reaction: easy preparation of versatile substrates, facile reactions, and synthetic applications
Jung Eun Yeo, Xiuling Yang, Hee Jin Kim, Sangho Koo, Chem. Commun., 2004, 236

Highly Efficient and General Syntehtic Method of Various Retinyl Ethers
Lee, Jun Sup, Jeong, Young Cheol, Ji, Minkoo, Baik, Woonphil, Lee, Sijoon, Koo Sangho.; Synlett., 2004, 11, 1937

Preparetion of the conjugated polyene chains with the 1,4-dimethyl substitution
Jeon, Hye-Sun, Koo, Sangho.; Tetrahedron Letters, 2004, 45(38), 7023

General and systematic synthetic entry to carotenoid natural products
Jeong, Young Cheol, Ji, Minkoo, Lee, Jun sup, Yang, Jae-Deuk, Jin, Jingquan, Baik, Woonphil, Koo, Sangho,
Tetrahedron, 2004, 60(45), 10181

Stereoselective and Convergent Syntheses of Retinoic Acid and Its Ester Derivatives by the Sulfone Olefination Reaction
Hye Sun Jeon, Jung Eun Yeo, Sangho Koo.; Synthesis, 2004, 17, 2813.

Efficient Syntheses of the Keto-carotenoids Canthaxanthin, Astaxanthin, and Astacene
Seyoung Choi, Sangho Koo.; J. Org. Chem., 2005, 70(8), 3328

Preparation of 1,4-hydrobenzoquinones bythe PCC/SiO2-promoted double oxidations of 3-cyclohexene-1,2-diols
Hee Jin Kim and Sangho Koo, Org. Biomol. Chem., 2005, 3, 3479-3481

Sulfone Coupling and Double-Elimination Strategy for Carotenoid Synthesis
Samar Kumar Guha and Sangho Koo. J. Org. Chem., 2005, 70, 9662

TMS·OTf-Catalyzed α-bromination of carbonyl compounds by N-bromosuccinimide
Samar Kumar Guha, Bo Wu, Beom Soo Kim, Woonphil Baik and Sangho Koo, Tetrahedron Letters., 47 (2006) 291-293.

Origin of the Diastereoselection in the Indium-Mediated Addition of Haloallylic Sulfones to Aldehydes
Min, Jae-Hong; Jung, Se-Young; Wu, Bo; Oh, Jung Taek; Lah, Myoung Soo; Koo, Sangho*, Organic Letters
, 2006,  8(7),  1459-1462

Stereoselective Synthesis of Allylic Sulfones via the Oxonia-Cope Rearrangement of Homoallylic Alcohols Containing a Homoallylic Sulfone Moiety
    Jung, Se-Young; Min, Jae-Hong; Oh, Jung Taek; Koo, Sangho,
J. Org. Chem.,  (2006),  71(13),  4823-4828

Expeditious and Practical Synthesis of  Lycopene
    
Choi, Eunho; Yeo, Jung Eun;  Koo, Sangho, Advanced Synthesis & Catalysis., 2008, 350, 365-369

General Preparation and Controled Cyclization of Acyclic Terpenoids
    Kuk, Jinchul; Kim, Beomsoo; Jung, Heejung; Choi, Seyiung; Park, Jung-Youl; Koo, Sangho,  J. Org. Chem.,  2008, 73, 1991-    1994  

Ring-Expansion Protocol: Preparation of Synthetically Versatile Dihydrotropones

    Do, Youngsun; Sun, Ruiying;  Kim, Heejin; Yeo, jungeun; Bae, Sunghee; Koo, Sangho,  J. Org. Chem.,  2009, 74, 917-920  

Conductance Control in Stabilized Carotenoid Wires

   Juwan Maeng; Soo Bong Kim; Nam Joo Lee; Eunho Choi; Se-Young Jung; Inseok Hong; Sung-Hee Bae; Jung Taek Oh; Boram Lim; Joon Woo Kim; Chi Jung Kang; and Sangho Koo* Chem. Eur. J. 2010, 16, 7395 – 7399

Convergent synthesis of new types of stabilized carotenoid compounds

   Soo Bong Kim, Hyungjun Kim, Boram Lim, Juwan Meang,Sung-Hee Bae, Eunho Choi, Jung Taek Oh, Inseok Hong, Se-Young Jung, Jung Eun Yeo, and Sangho Koo† Pure Appl. Chem. 2011, 83, 3, 613 - 620

Ultrafast excited state dynamics and spectroscopy of 13,130-diphenyl-b-carotene
Kai Golibrzuch, Florian Ehlers, Mirko Scholz, Rainer Oswald, Thomas Lenzer, Kawon Oum,* Hyungjun Kim and Sangho Koo* Phys. Chem. Chem. Phys. 2011, 13,  6340-6351

Selective Deoxygenation of Allylic Alcohol: Sterocontrolled Synthesis of Lavandulol
HeeJin Kim, Liang Su, Heejung jung, and Sangho Koo* Organic Letters 2011, 13, 10, 2682-2685

Synthesis of Coenzyme Q 10
Eun-Taek Oh, Hee Jin Kim, Jung Taek Oh, Liang Su, Inkyun Yun, Kyunggu Nam, Jae-Hong Min,Joon Woo Kim,and Sangho Koo* Eur. J. Org. Chem. 2012, 4954–4962

Bis-sulfonic Acid Ionic Liquids for the Conversion of Fructose to 5-Hydroxymethyl-2-furfural
Sang Eun Sim, Sunjeong Kwon, and Sangho Koo* Molecules 2012, 17

Mechanism and Scope of the MnIII-Initiated Oxidation of β-Ketocarbonyl Compounds: Furan Synthesis
Chao Wang, Zhilong Li,Yeming Ju and Sangho Koo* Eur.J.Org.Chem 2012, 6976-6985

Combined Effect of Polar Substituents on the Electronic Flows in the Carotenoid Molecular Wires
Yanan Zhao, Stuart Lindsay,Sunhwa Jeon, Hyung-Jun Kim,Liang Su,Boram Lim, and Sangho Koo* Chem. Eur. J.2013.19 10832-10835

Sulfone-Mediated Syntheses oCC00n Derivatives: Regioselectivity of Highly Functionalized Building Blocks
By Oh, Eun-Taek; Kim, Young-Hun; Jin, Jingquan; Su, Liang; Seo, Jung-Ah; Koo, Sangho* ;
J. Org. Chem. 2014, 79(10), 4712-4717.

Catalytic oxidation of β-keto esters by manganese(III)/cobalt(II) and consecutive cyclization to heterocycles
By Ju, Yeming; Miao, Di; Seo, Jeong Gil; Koo, Sangho*; Advanced Synthesis & Catalysis, 2014, 356(14-15), 3059-3066.

Synthesis and characterization of multi-walled carbon nanotubes-supported dibenzo-14-crown-4 ether with proton ionizable carboxyl sidearm as Li+ adsorbents
 By Torrejos, Rey Eliseo C.; Nisola, Grace M.; Park, Myoung Jun; Shon, Ho Kyong; Seo, Jeong Gil; Koo, Sangho; Chung, Wook-Jin* ;  Chemical Engineering Journal (Amsterdam, Netherlands), 2015, 264, 89-98.

Resonance Raman Spectra of Carotenoid Molecules: Influence of Methyl Substitutions
 By Macernis, Mindaugas; Galzerano, Denise; Sulskus, Juozas; Kish, Elizabeth; Kim, Young-Hun;
Koo, Sangho*; Valkunas, Leonas; Robert, Bruno ;Journal of Physical Chemistry A , 2015, 119(1), 56-66.

Regioselective Synthesis of 1,3- and 1,2-Tocopheryl Glyceride Ethers of Carboxylic Acids
 By Choi, Bo Seul; Choi, Jeongae; Bak, Seonyoung; Koo, Sangho *; European Journal of Organic Chemistry , 2015, 2015(3), 514-524.

Tandem catalytic oxidative deacetylation of acetoacetic esters and heteroaromatic cyclizations
By Ju, Yeming; Miao, Di; Yu, Ruiyang; Koo, Sangho* ; Organic & Biomolecular Chemistry, 2015, 13(9), 2588-2599

A chain extension method for apocarotenoids; lycopene and lycophyll syntheses
 By Choi, Jeongae; Oh, Eun-Taek; Koo, Sangho ; Archives of Biochemistry and Biophysics, 2015, 572, 142-150

Enhanced biological activity of carotenoids stabilized by phenyl groups
 By You, Ji Suk; Jeon, Sunhwa; Byun, Youn Jung; Koo, Sangho; Choi, Shin Sik* ; Food Chemistry,2015, 177, 339-345

Esterification of carboxylic acids with alkyl halides using imidazolium based dicationic ionic liquids containing bis-trifluoromethane sulfonimide anions at room temperature
 By Jadhav, Arvind H.; Lee, Kyuyoung; Koo, Sangho; Seo, Jeong Gil*; RSC Advances, 2015, 5(33), 26197-26208

Fine-Tuning of Single-Molecule Conductance by Tweaking Both Electronic Structure and Conformation of Side Substituents
 Aragones, Albert C.; Darwish, Nadim; Im, JongOne; Lim, Boram; Choi, Jeongae; Koo, Sangho; Diez-Perez, Ismael ; Chemistry - A European Journal, 2015, 21(21), 7716-7720