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1

Thermally stable triphenylene-based hole-transporting materials for organic light-emitting devices

Jong-Yek Park, Jeong Mi Kim, Haejin Lee, Kwang-Youn Ko, Kyoung Soo Yook, Jun Yeob Lee, Yong Gu Baek

Journal:

Thin Solid Films

Year:

2011

Language:

english

File:

PDF, 855 KB

english, 2011

2

100% internal quantum efficiency and stable efficiency roll-off in phosphorescent light-emitting diodes using a high triplet energy hole transport material

Jeon, Soon-Ok, Yook, Kyoung Soo, Joo, Chul Woong, Lee, Jun Yeob, Ko, Kwang-Youn, Park, Jong-Yek, Baek, Yong Gu

Journal:

Applied Physics Letters

Year:

2008

Language:

english

File:

PDF, 419 KB

english, 2008

3

Copper-catalyzed carbon–carbon bond cleavage of primary propargyl alcohols: β-carbon elimination of hemiaminal intermediates

Kang, Ye-Won, Cho, Yu Jin, Ko, Kwang-Youn, Jang, Hye-Young

Journal:

Catalysis Science & Technology

Year:

2015

Language:

english

File:

PDF, 790 KB

english, 2015

4

Synthese von 3-α-Chlorvinylcephalosporinen

Wan-Joo Kim, Myung Hee Jung, Jae-Du Ha, Kwang-Youn Ko

Journal:

Archiv der Pharmazie

Year:

1991

File:

PDF, 229 KB

1991

5

ChemInform Abstract: Aromatization of Hantzsch 1,4-Dihydropyridines with Magtrieve10s.

Kwang-Youn Ko, Ji-Yeon Kim

Journal:

Year:

1999

File:

PDF, 28 KB

1999

6

ChemInform Abstract: Magtrieve: A New Agent for the Deprotection/Oxidation of Acetals and Ketals under Neutral Conditions.

Kwang-Youn Ko, Sung-Tae Park

Journal:

Year:

1999

File:

PDF, 34 KB

1999

7

ChemInform Abstract: Generation of Diphenyldiazomethane by Oxidation of Benzophenone Hydrazone with Magtrieve.

Kwang-Youn Ko, Ji-Yeon Kim

Journal:

Year:

2000

File:

PDF, 32 KB

2000

8

ChemInform Abstract: Magtrieve: A New Reagent for the Oxidation of Thiols to Disulfides under a Neutral and Anhydrous Condition.

Yong-Ho Sun, Kwang-Youn Ko

Journal:

Year:

2000

File:

PDF, 26 KB

2000

9

ChemInform Abstract: Deprotection of Acetals and Ketals over Hexagonal Mesoporous Molecular Sieve as a Reusable, Heterogeneous Catalyst.

Kwang-Youn Ko, Sung-Tae Park, Myoung-Jae Choi

Journal:

Year:

2001

File:

PDF, 26 KB

2001

10

ChemInform Abstract: Zeolite H-Beta: An Efficient and Recyclable Catalyst for the Tetrahydropyranylation of Alcohols and Phenols, and the Deprotection of Tetrahydropyranyl Ethers.

Ji-Eun Choi, Kwang-Youn Ko

Journal:

Year:

2002

File:

PDF, 29 KB

2002

11

ChemInform Abstract: Chemoselective Deprotection/Oxidation of Protected Alcohols with Magtrieve.

Sung-Tae Park, Kwang-Youn Ko

Journal:

Year:

2002

File:

PDF, 32 KB

2002

12

Diastereoselective Reduction of 2-Acyl-1,3-dioxanes Derived from D-Glucose.

Kwang-Youn Ko, Jong-Yek Park

Journal:

Year:

2002

File:

PDF, 30 KB

2002

13

Aromatization of Hantzsch 1,4-Dihydropyridines with [Hydroxy(tosyloxy)iodo]benzene.

Kang-Hyeok Lee, Kwang-Youn Ko

Journal:

Year:

2003

File:

PDF, 135 KB

2003

14

Aromatization of Hantzsch 1,4-Dihydropyridines with a Polymer-Supported Hypervalent Iodine Reagent.

Jin-Won Lee, Kwang-Youn Ko

Journal:

Year:

2004

File:

PDF, 127 KB

2004

15

Envirocat EPZ10: A Recyclable Solid Acid Catalyst for the Synthesis of Biginelli-Type 3,4-Dihydropyrimidin-2(1H)-ones.

Key-Young Lee, Kwang-Youn Ko

Journal:

Year:

2005

File:

PDF, 19 KB

2005

16

Asymmetric reactions based on 1,3-oxathianes3̄: Secondary α-hydroxyacids, RCHOHCO2H and glycols RCHOHCH2OH

Kwang-Youn Ko, William J. Frazee, Ernest L. Eliel

Journal:

Year:

1984

Language:

english

File:

PDF, 1.58 MB

english, 1984

17

Synthesis of 5-oxo-l-pipecolic acid derivatives by rhodium(II) acetate catalyzed cyclization of diazoketones

Kwang-Youn Ko, Kee-In Lee, Wan-Loo Kim

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 139 KB

english, 1992

18

Determination of enantiomeric purity of glycols RCHOHCH2OH

Ernest L. Eliel, Kwang-Youn Ko

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 242 KB

english, 1983

19

Diastereoselective reduction of chiral N-tosyl 2-Benzoyl-1,3-oxazines derived from D-glucose

Kwang-Youn Ko, Jong-Yek Park

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 196 KB

english, 1997

20

Aromatization of Hantzsch 1,4-dihydropyridines with Magtrieve™

Kwang-Youn Ko, Ji-Yeon Kim

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 123 KB

english, 1999

21

Magtrieve™: a new agent for the deprotection/oxidation of acetals and ketals under neutral conditions

Kwang-Youn Ko, Sung-Tae Park

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 141 KB

english, 1999

22

Diastereoselective Reduction of Chiral N-Tosyl-2-benzoyl-1,3-oxazine Derived from (1R)-(+)-Camphor

Ko, Kwang-Youn, Yun, Hoseop

Journal:

Year:

2010

Language:

english

File:

PDF, 1.88 MB

english, 2010

23

Concerning the Phosphorylation of Vicinal Diols

Yu, Kou-Long, Ko, Kwang-Youn, Fraser-reid, Bert

Journal:

Synthetic Communications

Year:

1988

Language:

english

File:

PDF, 160 KB

english, 1988

24

Synthesis and biological activity of novel 3-(2-propenyl)-cephalosporins. II. Preparation of prodrugs.

KIM, WAN-JOO, KO, KWANG-YOUN, JUNG, MYUNG HEE, KIM, MOONHWAN, LEE, KEY-IN, KIM, JAE-HAK

Journal:

The Journal of Antibiotics

Year:

1991

Language:

english

File:

PDF, 231 KB

english, 1991

25

Synthesis and biological activity of novel 3-(2-propenyl)-cephalosporins. I.

KIM, WAN-JOO, KO, KWANG-YOUN, KIM, HONGBUM, OH, JONGHOON

Journal:

The Journal of Antibiotics

Year:

1991

Language:

english

File:

PDF, 552 KB

english, 1991