Takai K - Search Results

1

Rhenium- and aniline-catalyzed one-pot annulation of aromatic ketones and alpha,beta-unsaturated esters initiated by C-H bond activation.

Kuninobu Y, Nishina Y, Shouho M, Takai K. Kuninobu Y, et al. Among authors: takai k. Angew Chem Int Ed Engl. 2006 Apr 21;45(17):2766-8. doi: 10.1002/anie.200503627. Angew Chem Int Ed Engl. 2006. PMID: 16555361 No abstract available.

2

Cross-Coupling Reactions between alpha,beta-Unsaturated Ketones and Aldehydes with CrCl(2): Aldol Condensation and Cyclopropanol Formation Financial support by a Grant-in-Aid for Scientific Research on Priority Area No. 706 from the Ministry of Education, Science, Sports and Culture of Japan is gratefully acknowledged. We would also like to thank Professor Ilhyong Ryu of Osaka Prefecture University for helpful discussions, and Dr. Teruhiko Ishikawa of Okayama University for conducting the NOE experiments.

Toratsu C, Fujii T, Suzuki T, Takai K. Toratsu C, et al. Among authors: takai k. Angew Chem Int Ed Engl. 2000 Aug 4;39(15):2725-2727. Angew Chem Int Ed Engl. 2000. PMID: 10934406 No abstract available.

3

Stereoselective Cross Pinacol-Type Coupling between alpha,beta-Unsaturated Ketones and Aldehydes Mediated by Chromium(II) and R(3)SiCl Financial support by a Grant-in-Aid for Scientific Research on Priority Area No. 706 from the Ministry of Education, Culture, Sports, Science and Technology of Japan is gratefully acknowledged.

Takai K, Morita R, Toratsu C. Takai K, et al. Angew Chem Int Ed Engl. 2001 Mar 16;40(6):1116-1119. doi: 10.1002/1521-3773(20010316)40:6<1116::aid-anie11160>3.0.co;2-t. Angew Chem Int Ed Engl. 2001. PMID: 11268094 No abstract available.

4

Rhenium-catalyzed formation of indene frameworks via C-H bond activation: [3+2] annulation of aromatic aldimines and acetylenes.

Kuninobu Y, Kawata A, Takai K. Kuninobu Y, et al. Among authors: takai k. J Am Chem Soc. 2005 Oct 5;127(39):13498-9. doi: 10.1021/ja0528174. J Am Chem Soc. 2005. PMID: 16190704

5

Rhenium-catalyzed insertion of terminal acetylenes into a C-H bond of active methylene compounds.

Kuninobu Y, Kawata A, Takai K. Kuninobu Y, et al. Among authors: takai k. Org Lett. 2005 Oct 27;7(22):4823-5. doi: 10.1021/ol0515208. Org Lett. 2005. PMID: 16235898

6

Insertion of polar and nonpolar unsaturated molecules into carbon-rhenium bonds generated by C-H bond activation: synthesis of phthalimidine and indene derivatives.

Kuninobu Y, Tokunaga Y, Kawata A, Takai K. Kuninobu Y, et al. Among authors: takai k. J Am Chem Soc. 2006 Jan 11;128(1):202-9. doi: 10.1021/ja054216i. J Am Chem Soc. 2006. PMID: 16390148

7

Isocyanate acting as a carbonyl precursor: pyridyl group-assisted formation of 4H-pyrido[1,2-a]pyrimidin-4-ones from ketimines and isocyanates.

Kuninobu Y, Nishimura S, Takai K. Kuninobu Y, et al. Among authors: takai k. Org Biomol Chem. 2006 Jan 21;4(2):203-5. doi: 10.1039/b516916j. Epub 2005 Dec 13. Org Biomol Chem. 2006. PMID: 16391761

8

Sequential ruthenium-catalyzed hydroamination and rhenium-catalyzed C-H bond activation leading to indene derivatives.

Kuninobu Y, Nishina Y, Takai K. Kuninobu Y, et al. Among authors: takai k. Org Lett. 2006 Jun 22;8(13):2891-3. doi: 10.1021/ol0611292. Org Lett. 2006. PMID: 16774283

9

Efficient catalytic insertion of acetylenes into a carbon-carbon single bond of nonstrained cyclic compounds under mild conditions.

Kuninobu Y, Kawata A, Takai K. Kuninobu Y, et al. Among authors: takai k. J Am Chem Soc. 2006 Sep 6;128(35):11368-9. doi: 10.1021/ja064022i. J Am Chem Soc. 2006. PMID: 16939256

10

Rhenium-catalyzed insertion of aldehyde into a C-H bond: synthesis of isobenzofuran derivatives.

Kuninobu Y, Nishina Y, Nakagawa C, Takai K. Kuninobu Y, et al. Among authors: takai k. J Am Chem Soc. 2006 Sep 27;128(38):12376-7. doi: 10.1021/ja065643e. J Am Chem Soc. 2006. PMID: 16984162

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