Kittaka A - Search Results

1

Synthesis of 2beta-substituted-14-epi-previtamin D3 and testing of its genomic activity.

Sawada D, Tsukuda Y, Saito H, Takagi K, Ochiai E, Ishizuka S, Takenouchi K, Kittaka A. Sawada D, et al. Among authors: kittaka a. J Steroid Biochem Mol Biol. 2010 Jul;121(1-2):20-4. doi: 10.1016/j.jsbmb.2010.02.035. Epub 2010 Mar 7. J Steroid Biochem Mol Biol. 2010. PMID: 20214990

2

A concise and efficient route to 2alpha-(omega-hydroxyalkoxy)-1alpha,25-dihydroxyvi tam in D3: remarkably high affinity to vitamin D receptor.

Kittaka A, Suhara Y, Takayanagi H, Fujishima T, Kurihara M, Takayama H. Kittaka A, et al. Org Lett. 2000 Aug 24;2(17):2619-22. doi: 10.1021/ol006222j. Org Lett. 2000. PMID: 10990411

3

Efficient and versatile synthesis of novel 2alpha-substituted 1alpha,25-dihydroxyvitamin D(3) analogues and their docking to vitamin D receptors.

Suhara Y, Nihei KI, Kurihara M, Kittaka A, Yamaguchi K, Fujishima T, Konno K, Miyata N, Takayama H. Suhara Y, et al. Among authors: kittaka a. J Org Chem. 2001 Dec 28;66(26):8760-71. doi: 10.1021/jo010375i. J Org Chem. 2001. PMID: 11749604

4

Synthesis and testing of 2alpha-modified 1alpha,25-dihydroxyvitamin D(3) analogues with a double side chain: marked cell differentiation activity.

Suhara Y, Kittaka A, Kishimoto S, Calverley MJ, Fujishima T, Saito N, Sugiura T, Waku K, Takayama H. Suhara Y, et al. Among authors: kittaka a. Bioorg Med Chem Lett. 2002 Nov 18;12(22):3255-8. doi: 10.1016/s0960-894x(02)00722-9. Bioorg Med Chem Lett. 2002. PMID: 12392726

5

Design and efficient synthesis of new stable 1alpha,25-dihydroxy-19-norvitamin D3 analogues containing amide bond.

Suhara Y, Kittaka A, Ono K, Kurihara M, Fujishima T, Yoshida A, Takayama H. Suhara Y, et al. Among authors: kittaka a. Bioorg Med Chem Lett. 2002 Dec 16;12(24):3533-6. doi: 10.1016/s0960-894x(02)00800-4. Bioorg Med Chem Lett. 2002. PMID: 12443770

6

Design, synthesis, and biological studies of the A-ring-modified 1,25-dihydroxyvitamin D3 analogs.

Takayama H, Kittaka A, Fujishima T, Suhara Y. Takayama H, et al. Among authors: kittaka a. Recent Results Cancer Res. 2003;164:289-317. doi: 10.1007/978-3-642-55580-0_21. Recent Results Cancer Res. 2003. PMID: 12899530 Review.

7

Design and synthesis of potent vitamin D receptor antagonists with A-ring modifications: remarkable effects of 2alpha-methyl introduction on antagonistic activity.

Fujishima T, Kojima Y, Azumaya I, Kittaka A, Takayama H. Fujishima T, et al. Among authors: kittaka a. Bioorg Med Chem. 2003 Aug 15;11(17):3621-31. doi: 10.1016/s0968-0896(03)00371-7. Bioorg Med Chem. 2003. PMID: 12901907

8

Synthesis of 2,2-dimethyl-1,25-dihydroxyvitamin D3: A-ring structural motif that modulates interactions of vitamin D receptor with transcriptional coactivators.

Fujishima T, Kittaka A, Yamaoka K, Takeyama K, Kato S, Takayama H. Fujishima T, et al. Among authors: kittaka a. Org Biomol Chem. 2003 Jun 7;1(11):1863-9. doi: 10.1039/b302017g. Org Biomol Chem. 2003. PMID: 12945766

9

Efficient synthesis of 2-modified 1alpha,25-dihydroxy-19-norvitamin D3 with Julia olefination: high potency in induction of differentiation on HL-60 cells.

Ono K, Yoshida A, Saito N, Fujishima T, Honzawa S, Suhara Y, Kishimoto S, Sugiura T, Waku K, Takayama H, Kittaka A. Ono K, et al. Among authors: kittaka a. J Org Chem. 2003 Sep 19;68(19):7407-15. doi: 10.1021/jo034787y. J Org Chem. 2003. PMID: 12968893

10

Concise synthesis and biological activities of 2alpha-alkyl- and 2alpha-(omega-hydroxyalkyl)-20-epi-1alpha,25-dihydroxyvitamin D3.

Honzawa S, Suhara Y, Nihei K, Saito N, Kishimoto S, Fujishima T, Kurihara M, Sugiura T, Waku K, Takayama H, Kittaka A. Honzawa S, et al. Among authors: kittaka a. Bioorg Med Chem Lett. 2003 Oct 20;13(20):3503-6. doi: 10.1016/s0960-894x(03)00739-x. Bioorg Med Chem Lett. 2003. PMID: 14505658

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