Search Results 1-20 of 346

  • C(sp<sup>2</sup>)–H Iodination by a Rhodium(III) Complex Supported by a Redox-active Ligand Bearing Amidophenolato Moieties

    Fujita Daiki , Sugimoto Hideki , Itoh Shinobu

    … <p>C(sp<sup>2</sup>)–H iodination of <i>m</i>-xylene promoted by a rhodium(III) complex supported by a redox-active ligand, (<i><sup>n</sup></i>Bu<sub>4</sub>N)[Rh<sup>III</sup><b>L</b><sup>3−</sup>(MeCN)Cl] (<b>1<sup>Cl</sup></b>), is reported. …

    Chemistry Letters 49(6), 666-669, 2020

    J-STAGE 

  • Development of Novel Nuclear Medical Imaging Probes for Quantification of Matrix Metalloproteinases in Diseases  [in Japanese]

    Kondo Naoya

    … [<sup>18</sup>F]IPFP was prepared by iodination of a known MMP inhibitor to enhance its affinity and labeled with the compact prosthetic agent 4-nitrophenyl 2-[<sup>18</sup>F]fluoropropionate ([<sup>18</sup>F]NFP) for MMP-targeted positron-emission tomography (PET) and other therapeutic properties. …

    YAKUGAKU ZASSHI 140(1), 7-13, 2020

    J-STAGE  Ichushi Web 

  • 2019-12

    Manousou Sofia , Stål Maja , Eggertsen Robert , Hoppe Michael , Hulthén Lena , Filipsson Nyström Helena

    Environmental Health and Preventive Medicine 24(1), 2019-12-07

    DOI  Ichushi Web 

  • Dibenzo[hi,st]ovalene as Highly Luminescent Nanographene: Efficient Synthesis via Photochemical Cyclodehydroiodination, Optoelectronic Properties, and Single-Molecule Spectroscopy

    Qiang Chen , Stefan Thoms , Sven Stöttinger , Dieter Schollmeyer , Klaus Müllen , Akimitsu Narita , Thomas Basché

    … Here, we report an efficient synthetic pathway to DBOV based on a sequential iodination-benzannulation of bi(naphthylphenyl)diyne, followed by photochemical cyclodehydroiodination (PCDHI). …

    Journal of the American Chemical Society 141(41), 16439-16449, 2019-10-07

    IR 

  • Measurement of Iodine-Derived Contamination in L-[<sup>11</sup>C]Methionine Injection

    Komatsu Yukiko , Tamaki Nagara , Kuge Yuji , Nishijima Ken-ichi , Oomagari Shigeo , Kanai Yasukazu , Naka Sadahiro , Higashikawa Kei , Ebita Yoko , Shiga Tohru , Hatazawa Jun

    <p>Measurement methods for iodine-derived contamination in L-[<sup>11</sup>C]methionine injection were evaluated. L-[<sup>11</sup>C]Methionine injection and samples from …

    RADIOISOTOPES 67(3), 75-83, 2018

    J-STAGE  Ichushi Web 

  • Synthesis of 8-aryl-3,5,7,3′,4′-penta-O-methylcyanidins from the corresponding quercetin derivatives by reduction with LiAlH4

    Kimura Yuki , Oyama Kin-ichi , Kondo Tadao , Yoshida Kumi

    … Regioselective iodination at the 8-position of penta-O-methylquercetin followed by a Suzuki-Miyaura reaction gave the 8-arylated quercetin derivatives. …

    Tetrahedron Letters 58(10), 919-922, 2017-03-08

    IR 

  • P-65 Total Synthesis of Cardiolipins Containing Chiral Cyclopropane Moieties  [in Japanese]

    Ohta Ippei , Ishibashi Shunichi , Takamatsu Masayuki , Fukase Koichi , Inuki Shinsuke , Fujimoto Yukari

    … The fatty acid 3 can be synthesized using stepwise cross-coupling reactions offunctionalized alkane moieties, 5 and 7, with the known chiral iodocyclopropane 6.The chiral cyclopropane ester 6 was prepared from cyclopropane carboxylic acid 8through regio- and stereoselective iodination and optical resolution using the chiral amine<SUP>6)</SUP>.The cyclopropyl alcohol 10 was converted to the alkynyl-substituted cyclopropanederivative 13 using copper-free Sonogashira coupling reaction<SUP>7)</SUP>. …

    Symposium on the Chemistry of Natural Products, symposium papers 59(0), 471-476, 2017

    J-STAGE 

  • New Synthetic Reactions Using the Iodotitanation Ability of Titanium Tetraiodide  [in Japanese]

    Hachiya Iwao , Mizota Isao , Shimizu Makoto

    … We have focused on a mild Lewis acidity, reducing and iodination abilities of titanium(IV) tetraiodide, and already reported several reactions such as reductive aldol, Mannich-type reactions, and pinacol coupling reaction. … We report here titanium(IV) tetraiodide-promoted Prins-type reactions, ring-opening reactions of aziridines and azetidinones, iodo-aldol and Mannich reactions, and iodopyridine and iodoisoquinoline synthesis via iodination-cyclization reactions.</p> …

    Journal of Synthetic Organic Chemistry, Japan 75(12), 1226-1237, 2017

    J-STAGE 

  • Divergent Synthesis of Polymethoxylated 4-Aryl-2-quinolones

    Murayama Tsukasa , Shibuya Masatoshi , Yamamoto Yoshihiko

    … Selective iodination of the C3 position of the product followed by coupling reactions of the resulting 3-iodinated 4-aryl-2-quinolone afforded 3-substituted-4-aryl-2-quinolones. …

    Journal of Organic Chemistry 81(23), 11940-11949, 2016-11-08

    IR 

  • Contiguous radical pivaloyloxymethylation–directed C(sp3)–H iodination of N-tosyl cycloalkanecarbaldimine

    Fujii Shintaro , Nakano Mayu , Yamaoka Yousuke , Takasu Kiyosei , Yamada Ken-ichi , Tomioka Kiyoshi

    Available online 27 November 2014A reaction of N-tosyl cycloalkanecarbaldimines with iodomethyl pivalate was initiated by triethylborane to give pivaloyloxymethylated products bearing 3-iodocycloalkyl …

    Tetrahedron Letters 56(23), 3086-3089, 2015-06

    IR 

  • Total Synthesis of Cirratiomycin A  [in Japanese]

    Nishimura Akito , Yasukawa Yoshifumi , Yasuno Yoko , Ohfune Yasufumi , Shinada Tetsuro

    … ii) Z-selective iodination of the resulting dehydroamino acid, and iii) Negishi cross coupling reaction with Me<sub>2</sub>Zn. …

    Symposium on the Chemistry of Natural Products, symposium papers 57(0), PosterP24, 2015

    J-STAGE 

  • In-situ Iodination of Organoarsenic Homocycles: Facile Synthesis of 9-Arsafluorene

    Kato Takuji , Tanaka Susumu , Naka Kensuke

    … We developed an in-situ iodination of organoarsenic homocycles for facile and general As–C bond formation. …

    Chemistry Letters 44(11), 1476-1478, 2015

    J-STAGE 

  • TSH resistance revisited [Review]

    Narumi Satoshi , Hasegawa Tomonobu

    … TSH, a master regulator of thyroid functions, affects virtually all cellular processes involving thyroid hormone production, including thyroidal iodine uptake, thyroglobulin iodination, reuptake of iodinated thyroglobulin and thyroid cell growth. …

    Endocrine Journal 62(5), 393-398, 2015

    J-STAGE  Ichushi Web 

  • Synthetic Studies on Lycopodium Alkaloids  [in Japanese]

    Yokoshima Satoshi , Tanimura Shun , Kumazaki Hiroshi , Fukuyama Tohru

    … Benzylation of known enone 7, followed by iodination at the a-position of the enone, afforded 8, which was coupled with 9 via a Suzuki-Miyaura coupling to give 10 in 82% yield. …

    Symposium on the Chemistry of Natural Products, symposium papers 56(0), Poster64, 2014

    J-STAGE 

  • Total syntheses of chromenoquinone natural products via Diels-Alder reaction of substituted furan  [in Japanese]

    Katakawa Kazuaki , Yonenaga Dai , Terada Tomoyo , Sato Ayaka , Kainuma Mika , Kumamoto Takuya

    … Synthesis of benzyne precursor was achieved from resorcinol via condensation-electrocyclization and o-iodination of the MOM ether. …

    Symposium on the Chemistry of Natural Products, symposium papers 56(0), Poster58, 2014

    J-STAGE 

  • Synthetic Studies of Frondosin A  [in Japanese]

    Ito Motoki , Thrimurtulu Neetipalli , Natsume Shuntaro , Sunadoi Yuta , Janagiraman Krishnamurthi , Anada Masahiro , Hashimoto Shunichi

    … Sequential reduction of ketone and tert-butyl ester followed by selective iodination of secondary alcohol and cleavage of oxygen-bridge with Zn afforded 7-membered carbocycle 6, which was converted to carbonate 15. …

    Symposium on the Chemistry of Natural Products, symposium papers 56(0), Poster54, 2014

    J-STAGE 

  • Total synthesis of the marine natural products lukianols A and B

    Takamura Kaoru , Matsuo Hisami , Tanaka Ayana , Tanaka Junji , Fukuda Tsutomu , Ishibashi Fumito , Iwao Masatomo

    … Regioselective iodination of the phenolic intermediate 24 was thoroughly investigated for the synthesis of lukianol B. …

    Tetrahedron 69(13), 2782-2788, 2013-04-01

    IR 

  • Synthetic Study of Phomopsin A  [in Japanese]

    Yasuno Yoko , Shinada Tetsuro , Ohfune Yasufumi

    … Stereocontrolled synthesis of DIle ester was accomplished in three steps: (i) stereoselective synthesis of E-b-ethyl-dehydroamino acid ester, (ii) subsequently, the sterereoselective b-iodination to give the corresponding Z-iodide, (iii) Negishi cross-coupling reaction in a highly stereoselective manner. …

    Symposium on the Chemistry of Natural Products, symposium papers 55(0), PosterP-23, 2013

    J-STAGE 

  • Total Synthesis of Kendomycin  [in Japanese]

    Xu Shu , Sengoku Tetsuya , Emori Yoshinori , Ogura Kenji , Kitada Kenji , Uemura Daisuke , Arimoto Hirokazu

    … Then Corey-Fuchs alkyne formation and hydrozirconation–iodination with Schwartz reagent afforded the vinyl iodide 6, which connected efficiently to C15-C20 segment 5 by Suzuki-Miyaura coupling. …

    Symposium on the Chemistry of Natural Products, symposium papers 55(0), PosterP-17, 2013

    J-STAGE 

  • A Useful and Convenient Synthetic Protocol for Iodination of Organic Substrates Using a Combination of Vanadyl Acetylacetonate, Hydrogen Peroxide, and Sodium Iodide

    KHAN Abu T. , ALI Shahzad

    Bulletin of the Chemical Society of Japan 85(11), 1239-1243, 2012-11-15

    References (46)

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