1999-older

23. Efficient synthesis of oxindoles thermal and rhodium(II)-catalyzed Wolff rearrangement
Lee, Yong Rok; Suk, Jung Yup; Kim, ung So
Tetrahedron Letters (1999), 40(47), 8219-8221. DOI:10.1016/S0040-4039(99)01714-1

22. Pentadienylnitrobenzyl and Pentadienylnitropiperonyl Photochemically Removable Protecting Groups
Pirrung, Michael C.; Lee, Yong Rok; Park, Kaapjoo; Springer, James B.
Journal of Organic Chemistry (1999), 64(14), 5042-5047. DOI:10.1021/JO982383D

21. Rhodium(II)-catalyzed reactions of 3-diazo-2,4-chromenediones. First one-step synthesis of pterophyllin 2
Lee, Yong Rok; Suk, Jung Yup; Kim, ung So
Tetrahedron Letters (1999), 40(36), 6603-6607. DOI:10.1016/S0040-4039(99)01317-9

20. Efficient one-step synthesis of 2-arylfurans ceric ammonium nitrate (CAN)-mediated cycloaddition of 1,3-dicarbonyl compounds to alkynes
Lee, Yong Rok; un, Myung Whan; Kim, ung So
Bulletin of the Korean Chemical Society (1998), 19(10), 1080-1083.

19. Efficient synthesis of β-substituted α-chloro enones rhodium(II)-catalyzed reactions of cyclic diazodicarbonyl compounds with acid chlorides
Lee, Yong Rok; Suk, Jung Yup
Chemical Communications (Cambridge) (1998), (23), 2621-2622. DOI:10.1039/a806993j

18. Revised Relative and Absolute Stereochemistry of (+)-Purpurin
Pirrung, Michael C.; Lee, Yong Rok; Morehead, Andrew T. , Jr.; McPhail, Andrew T.
Journal of Natural Products (1998), 61(1), 89-91. DOI:10.1021/NP970366Y

17. Rhodium(II)-catalyzed cycloaddition of cyclic diazo dicarbonyl compounds with nitriles. Synthesis of tetrahydrobenzoxazoles, tetrahydrobenzofurans, and tetrahydrobenzodioxoles
Lee, Yong Rok; Suk, Jung Yup
Heterocycles (1998), 48(5), 875-883.

16. Rhodium(II)-catalyzed dipolar cycloaddition of cyclic diazodicarbonyl compounds with α,β-unsaturated esters. Synthesis of dihydrofurans
Lee, Yong Rok
Synthetic Communications (1998), 28(5), 865-869. DOI:10.1080/00032719808006485

15. Silver(I)/celite promoted oxidative cycloaddition of 4-hydroxycoumarins to olefins. A facile synthesis of dihydrofurocoumarins and furocoumarins
Lee, Yong Rok; Kim, ung So; Wang, Han Cheol
Tetrahedron (1998), 54(40), 12215-12222. DOI:10.1016/S0040-4020(98)00762-5

14. A facile synthesis of dihydrofurans utilizing silver(I)/celite promoted oxidative cycloaddition of 1,3-dicarbonyl compounds to alkenes
Lee, Yong Rok; Kim, ung So
Tetrahedron Letters (1997), 38(12), 2095-2098. DOI:10.1016/S0040-4039(97)00315-8

13. Facile strategy to 3-acylfurans silver(I)/celite-mediated cycloaddition of 1,3-dicarbonyl compounds to vinyl sulfides. First total synthesis of α-clausenan
Lee, Yong Rok; Kim, Nam Suk; Kim, ung So
Tetrahedron Letters (1997), 38(32), 5671-5674. DOI:10.1016/S0040-4039(97)01235-5

12. Rhodium catalyzed reactions of cyclic 2-diazo-1,3-dicarbonyl compounds with nitriles
Kim, Hong-Seok; Lee, Ju-Young; Koh, Young Kook; Kwon, Il-Chun; Choi, Jun-Hyeak; Suk, Jung Yup; Lee, Yong Rok
Bulletin of the Korean Chemical Society (1997), 18(11), 1222-1225.

11. Formal total synthesis of (±)-aflatoxin B2 utilizing the rhodium carbenoid dipolar cycloaddition
Pirrung, Michael C.; Lee, Yong Rok
Tetrahedron Letters (1996), 37(14), 2391-4. DOI:10.1016/0040-4039(96)00412-1

10. Rhodium(II)-catalyzed cycloaddition of diazodicarbonyl compounds with vinyl sulfides. Synthesis of 3-acylfurans
Lee, Yong Rok
Bulletin of the Korean Chemical Society (1996), 17(7), 579-580.

9. Silver(I)/celite promoted oxidative additions of 1,3-dicarbonyl compounds to olefins. A facile synthesis of dihydrofurans
Lee, Yong Rok; Kim, ung So; Lee, Joung Hee
Bulletin of the Korean Chemical Society (1996), 17(7), 585-586.

8. A concise new synthesis of angular furanocoumarins: angelicin, oroselone and oroselol
Lee, Yong Rok
Tetrahedron (1995), 51(11), 3087-94. DOI:10.1016/0040-4020(95)00070-O

7. A new route for the synthesis of furanoflavone and furanochalcone natural products
Lee, Yong rok; Morehead, Andrew T., Jr.
Tetrahedron (1995), 51(17), 4909-22. DOI:10.1016/0040-4020(95)98689-F

6. Hydroxy direction of the rhodium-mediated dipolar cycloaddition of cyclic carbenoids with vinyl ethers
Pirrung, Michael C.; Lee, Yong Rok
Journal of the Chemical Society, Chemical Communications (1995), (6), 673-4. DOI:10.1039/c39950000673

5. Total Synthesis and Absolute Configuration of Pseudosemiglabrin, a Platelet Aggregation Antagonist, and Its Diastereomer Semiglabrin
Pirrung, Michael C.; Lee, Yong Rok
Journal of the American Chemical Society (1995), 117(17), 4814-21. DOI:10.1021/ja00122a011

4. Dipolar cycloaddition of rhodium carbenoids with vinyl esters. Total synthesis of pongamol and lanceolatin B
Pirrung, Michael C.; Lee, Yong Rok
Tetrahedron Letters (1994), 35(34), 6231-4. DOI:10.1016/S0040-4039(00)73399-5

3. Oxyanion Orientation in Anionic Oxy-Cope Rearrangements
Lee, Eun; Lee, Yong Rok; Moon, Bongjin; Kwon, Ohyun; Shim, Mi Seong; Yun, Jae Sook
Journal of Organic Chemistry (1994), 59(6), 1444-56. DOI:10.1021/jo00085a037

2. Photochemically-removable silyl protecting groups
Pirrung, Michael C.; Lee, Yong Rok
Journal of Organic Chemistry (1993), 58(25), 6961-3. DOI:10.1021/jo00077a010

1. Tandem photochemical or thermal [1,5]-H, thermal [1,5]-Si migrations of vinyl silanes
Pirrung, Michael C.; Lee, Yong Rok
Tetrahedron Letters (1993), 34(51), 8217-20. DOI:10.1016/S0040-4039(00)61394-1