Ichikawa S - Search Results

1

Synthesis of pyrimidine 2'-deoxy ribonucleosides branched at the 2'-position via radical atom-transfer cyclization reaction with a vinylsilyl group as a radical-acceptor tether.

Sukeda M, Shuto S, Sugimoto I, Ichikawa S, Matsuda A. Sukeda M, et al. Among authors: ichikawa s. J Org Chem. 2000 Dec 29;65(26):8988-96. doi: 10.1021/jo000967l. J Org Chem. 2000. PMID: 11149841

2

Purification of acetyl coenzyme A: deacetylacephalosporin C O-acetyltransferase from Acremonium chrysogenum.

Matsuyama K, Matsumoto H, Matsuda A, Sugiura H, Komatsu K, Ichikawa S. Matsuyama K, et al. Among authors: ichikawa s. Biosci Biotechnol Biochem. 1992 Sep;56(9):1410-2. doi: 10.1271/bbb.56.1410. Biosci Biotechnol Biochem. 1992. PMID: 1368946 Free article.

3

Molecular cloning of acetyl coenzyme A: deacetylcephalosporin C o-acetyltransferase cDNA from Acremonium chrysogenum: sequence and expression of catalytic activity in yeast.

Matsuda A, Sugiura H, Matsuyama K, Matsumoto H, Ichikawa S, Komatsu K. Matsuda A, et al. Among authors: ichikawa s. Biochem Biophys Res Commun. 1992 Feb 14;182(3):995-1001. doi: 10.1016/0006-291x(92)91830-j. Biochem Biophys Res Commun. 1992. PMID: 1540196

4

Cloning and disruption of the cefG gene encoding acetyl coenzyme A: deacetylcephalosporin C o-acetyltransferase from Acremonium chrysogenum.

Matsuda A, Sugiura H, Matsuyama K, Matsumoto H, Ichikawa S, Komatsu K. Matsuda A, et al. Among authors: ichikawa s. Biochem Biophys Res Commun. 1992 Jul 15;186(1):40-6. doi: 10.1016/s0006-291x(05)80772-7. Biochem Biophys Res Commun. 1992. PMID: 1632779

5

Cloning and characterization of the genes for two distinct cephalosporin acylases from a Pseudomonas strain.

Matsuda A, Matsuyama K, Yamamoto K, Ichikawa S, Komatsu K. Matsuda A, et al. Among authors: ichikawa s. J Bacteriol. 1987 Dec;169(12):5815-20. doi: 10.1128/jb.169.12.5815-5820.1987. J Bacteriol. 1987. PMID: 2824449 Free PMC article.

6

The first synthesis of herbicidin B, a tricyclic-sugar adenine nucleoside antibiotic, using samarium diiodide-promoted aldol-type C-glycosidation reaction as a key-step.

Shuto S, Ichikawa S, Matsuda A. Shuto S, et al. Among authors: ichikawa s. Nucleic Acids Symp Ser. 1999;(42):21-2. doi: 10.1093/nass/42.1.21. Nucleic Acids Symp Ser. 1999. PMID: 10780359

7

Synthesis of 3,7-anhydro-D-glycero-D-ido-octitol 1,5,6-trisphosphate as an IP(3) receptor ligand using a radical cyclization reaction with a vinylsilyl tether as the key step. Conformational restriction strategy using steric repulsion between adjacent bulky protecting groups on a pyranose ring.

Shuto S, Yahiro Y, Ichikawa S, Matsuda A. Shuto S, et al. Among authors: ichikawa s. J Org Chem. 2000 Sep 8;65(18):5547-57. doi: 10.1021/jo0002339. J Org Chem. 2000. PMID: 10970293

8

Stereo- and Regioselective Introduction of 1- or 2-Hydroxyethyl Group via Intramolecular Radical Cyclization Reaction with a Novel Silicon-Containing Tether. An Efficient Synthesis of 4'alpha-Branched 2'-Deoxyadenosines(1).

Shuto S, Kanazaki M, Ichikawa S, Minakawa N, Matsuda A. Shuto S, et al. Among authors: ichikawa s. J Org Chem. 1998 Feb 6;63(3):746-754. doi: 10.1021/jo971703a. J Org Chem. 1998. PMID: 11672069

9

A highly stereoselective samarium diiodide-promoted aldol reaction with 1'-phenylseleno-2'-keto nucleosides. Synthesis of 1'alpha-branched uridine derivatives.

Kodama T, Shuto S, Ichikawa S, Matsuda A. Kodama T, et al. Among authors: ichikawa s. J Org Chem. 2002 Nov 1;67(22):7706-15. doi: 10.1021/jo020266j. J Org Chem. 2002. PMID: 12398493

10

A new entry to the stereoselective introduction of an ethynyl group by a radical reaction: synthesis of the potential antimetabolite 2'-deoxy-2'-C-ethynyluridine.

Sukeda M, Ichikawa S, Matsuda A, Shuto S. Sukeda M, et al. Among authors: ichikawa s. Angew Chem Int Ed Engl. 2002 Dec 16;41(24):4748-50. doi: 10.1002/anie.200290037. Angew Chem Int Ed Engl. 2002. PMID: 12481347 No abstract available.

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