寄稿論文 規則性無機ナノ空間が創り出す新しい触媒能 | 東京化成工業
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1 MCM-41 M41 MCM-41 M41 2
2 3 m 2 /g nm nm
3 Mn Ti Ti H N 2 S Ti-MCM-41, H H N H H 2 2 -Urea, CH 2 Cl 2, H 2 S + S 1b 2b 3b 54%, 58% ee Ti M41 H 2 As 4 ZP 4
4 ZP ZS ZS 5
5 Me Me Me Me M41 / 15 mg MeH 1.0 mmol 89% Yield(GC) nm nm Kaliaguine Kevan B-M41 Ni-M41 M41 M41 6
6 R 1 CH or Me R 1 Me SiMe 3 R + M41 CH 2 Cl 2 R 1 M41 Entry Electrophile Enolate MCM-41 / mg/mmol Reaction Conditions Product Yield(%) Me Me Me 1 3 Ph H C, 6 h Ph 84 Me Me Me 2 6 Ph H C, 12 h Ph 64 Me Me Me C, 12 h 90 Me Me C, 3 h Ph Ph Me a 85 b 87 c 90 d entries 1 and 3 entries 2 and 4 a b c d 7
7 M41 Silica gel 60 M41 M41 Al Si/Al = M41 mmol M41 M41 nm 2 H + Me M41 / 90 mg 180 C, 16 h C 5 H 11 Me C 5 H mmol 5.0 ml 85% Yield HZSM-5 M41 M41 M41 M41 8
8 Acid Product Isolated Yield(%) C 2 H 5 H C 2 H 5 Me 33 C 3 H 7 H C 3 H 7 Me 68 C 5 H 11 H 4 C 15 H 31 H C 5 H 11 C 15 H 31 Me Me i C 3 H 7 H i C 3 H 7 Me 68 H Me 76 Ph H Ph Me 66 M4 M41 M41 M C 8 H 17 Cl or 1-C 8 H 17 H M41 / 100 mg 210 C C C 1 2 C 3 C 7 C 6 C 5 C 4 9
9 h µmol g 1 µmol g 1 µmol g 1 µmol g 1 µmol g 1 µmol g 1 M41 mmol g 1 Al µmol g 1 M41 n-c 8 H 17 Cl Ni/Si 2 M41 Ni-M41 Ni-M41 10
10 Ni-M41 ETP Ni-M41 Ni M41 Ni Mo W Re Ni Ni M41 LH 11
11 M41 M41 V 2 5 /aq.h 2 2 M41 cis cis V ion (12 µmol) M41(100 mg) aq. H 2 2 (1 eq.) 1,4-Dioxane (2.0 ml) r.t. 12 h cis-diol trans-diol H H H H p cis cis de cis cis σ cis trans σ de cis M41 M41 H 2 S 4 12
12 CREST 11) 1) A. Corma, Chem. Rev., 97, 2373 (1997); G. Soler-Illia, C. Sanchez, et. al., Chem. Rev., 102, 4093 (2002). 2),, 41, 31 (1999);, 62, 411 (2004);, 27, 628 (2004);, 58, 545 (2005). 3) M. Iwamoto, Y. Tanaka, Catal. Surv. from Jpn., 5, 25 (2001). 4) M. Yonemitsu, Y. Tanaka, M. Iwamoto, J. Catal., 178, 207 (1998). 5) M. Iwamoto, Y. Tanaka, J. Hirosumi, N. Kita, Chem. Lett., 2000, 226; M. Iwamoto, Y. Tanaka, J. Hirosumi, N. Kita, S. Triwahyono, Micro. Meso. Mater., 48, 271 (2001). 6) M. Iwamoto, T. Abe, Y. Tachibana, J. Mol. Catal. A, 155, 143 (2000). 7) P. Wu, M. Iwamoto, Chem. Lett., 27, 1213 (1998); P. Wu, M. Iwamoto, Chem. Mater., in press. 8) M. Iwamoto, H. Kitagawa, Y. Watanabe, Chem. Lett., 31, 814 (2002); H. Takada, Y. Watanabe, M. Iwamoto, Chem. Lett., 33, 62 (2004). 9) Y. Tanaka, N. Sawamura, M. Iwamoto, Tetrahedron Lett., 39, 9457 (1998). 10) M. Iwamoto, Y. Tanaka, N. Sawamura, S. Namba, J. Am. Chem. Soc., 125, (2003). 13
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水素移動型不斉還元触媒｜関東化学株式会社
99% yield, 96% ee (S/C = 1000) 89% yield, 99% ee (S/C = 300) >99% yield, 97% ee () X 78% yield, 95% ee () (S,S)-u cat X = C, 3, 2 = H, CH 3, F 67-100% yield, 92-98% ee (S/C = 100-1000) 100% yield dl:meso
4) H. Takayama et al.: J. Med. Chem., 45, 1949 (2002). 5) H. Takayama et al.: J. Am. Chem. Soc., 112, 8635 (2000). 6) H. Takayama et al.: Tetrahedron Lett., 42, 2995 (2001). 9) M. Kitajima et al: Chem.
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FAMS MT FAMS S Formaldehyde Dimethyl Dithioacetal S-xide FAMS DMS α DMS SDMS H 3 SH 3 S K 2 3 or Pyr. H 3 SH 2 l 3 Sa H 3 SH 2 S 4 Finkelstein FAMS FAMS FAMS FAMS H 2 2 H 2 + MeSH H+ H 2 1 (FAMS) 5 MT
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substrate control reagent control Tf Tf amine H n-u Tf Et 3 3 n-u Tf Et syn Tf anti n Tf, Amine (1.3eq) (1.5eq) CH Cl, -78 C n n Z E CH -78 C, 1h; 0 C, 1h n H Triflate Et Tf n-u Tf c-pen Tf Tf Amine Yield
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Gymnodinium breve 1 2 3 4 Gambierdiscus toxicus 4 trans 1 Nicolaou 2 1 2 Rainier CTX3C C A K B C J D E F I G K J 1 I G Na 3 S F A B C D E C B A Na 3 S D C 2 3 W X Y V Z U A' T F' E' D' C' B' S R 4 Q P
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1) K. J. Laidler, "Reaction Kinetics", Vol. II, Pergamon Press, New York (1963) Chap. 1 ; P. G. Ashmore, "Catalysis and Inhibition of Chemical Reactions", Butterworths, London (1963) Chap. 7, p. 185. 2)
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M (emu/g) C 2, 8, 9, 10 C-1 Fe 3 O 4 A, SL B, NSRRC C, D, E, F A, B, B, C, Yen-Fa Liao C, Ku-Ding Tsuei C, D, D, E, F, A Fe 3 O 4 120K MIT V 2 O 3 MIT Cu-doped Fe3O4 NCs MIT [1] Fe 3 O 4 MIT Cu V 2 O 3
Fig. ph Si-O-Na H O Si- Na OH Si-O-Si OH Si-O Si-OH Si-O-Si Si-O Si-O Si-OH Si-OH Si-O-Si H O 6
NMR ESR NMR 5 Fig. ph Si-O-Na H O Si- Na OH Si-O-Si OH Si-O Si-OH Si-O-Si Si-O Si-O Si-OH Si-OH Si-O-Si H O 6 Fig. (a) Na O-B -Si Na O-B Si Fig. (b) Na O-CaO-SiO Na O-CaO-B -Si. Na O-. CaO-. Si -. Al O
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J. Jpn. Soc. Colour Mater., 79 [3], (2006) Anthocyanins : Structural Diversity, Color, and in Vivo Behavior Yuko NAKAGAWA, Takashi ICHIYANAGI,
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寄稿論文 新光延試薬 | 東京化成工業
DEAD TPP A Et C C Et Et C C Et 2 A A ex. ucleophiles (A) P 3 P 3 1 xygen itrogen Carbon Sulfur C 3 S Ts Tf Scheme 1. TPP DEAD TPP DEAD redox condensation Walden Bz Tf DEAD-TPP 87% Tf Bz Scheme 2. pk a
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科学研究費補助金新学術領域研究 スパースモデリングの深化と高次元データ駆動科学の創成 最終成果報告会 (207/2/8-20) NMR (NMR) NMR! SpM NMR NMR NMR (MaxEnt) (CS) NMR (SpM) NMR NMR ( ) 2 NMR NMR 2 NMR NMR NMR n n- 2 NMR E-mail: [email protected] 2 (non-uniform
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温泉の化学 １
H O 1,003 516 149 124 2,237 1974 90 110 1km 2,400 ( 100 Mg 200 (98 ) 43,665 mg 38,695 mg 19,000 mg 2000 2000 Na-Ca-Cl 806 1970 1989 10 1991 4 ph 1 981 10,000 1993... (^^; (SO_4^{2-}) " " 1973-1987 1970
1-x x µ (+) +z µ ( ) Co 2p 3d µ = µ (+) µ ( ) W. Grange et al., PRB 58, 6298 (1998). 1.0 0.5 0.0 2 1 XMCD 0-1 -2-3x10-3 7.1 7.2 7.7 7.8 8.3 8.4 up E down ρ + (E) ρ (E) H, M µ f + f E F f + f f + f X L