Search Results 1-12 of 12

  • Comprehensive toxicity evaluation of cyclopentyl methyl ether (CPME) for establishing a permitted daily exposure level

    Inoue Kaoru , Suzuki Hiroshi , Yamada Takashi

    … <p>Cyclopentyl methyl ether (CPME, CAS No. 5614-37-9) is used as an alternative to other ethereal solvents in pharmaceutical chemical process development. … Although brief summaries on the repeated dose toxicity or genotoxicity of CPME are available, no detailed toxicity information has been reported. …

    Fundamental Toxicological Sciences 6(5), 145-165, 2019

    J-STAGE 

  • Extraction Behavior of Metal Cations Using 8-Quinolinol as an Extractant in Cyclopentyl Methyl Ether

    OSHIMA Tatsuya , KOYAMA Takao , OHE Kaoru , OTSUKI Noriyasu

    … In the present study, cyclopentyl methyl ether (CPME) was assessed as a solvent for extractants to develop new solvent extraction systems. … Many of the extractants (100 mM) were soluble in CPME. … The extraction behavior of metal ions using a typical chelating extractant, 8-quinolinol (HQ) in CPME, was studied. …

    Solvent Extraction Research and Development, Japan 26(1), 1-10, 2019

    J-STAGE 

  • Extraction Behavior of Arsenic, Selenium, and Antimony Using Cyclopentyl Methyl Ether from Acidic Chloride Media

    MATSUO Naoki , OSHIMA Tatsuya , OHE Kaoru , OTSUKI Noriyasu

    … In this study, extraction of the toxic elements, arsenic, selenium, and antimony from acidic chloride media using the oxygen-containing compounds cyclopentyl methyl ether (CPME), dibutyl carbitol (DBC), and methyl isobutyl ketone (MIBK) was compared. … Extraction of As(III) increases with increasing hydrochloric acid concentration and the extractability using CPME, DBC, and MIBK was similar. …

    Solvent Extraction Research and Development, Japan 26(2), 81-89, 2019

    J-STAGE 

  • Extraction of Gold(III) Using Cyclopentyl Methyl Ether in Hydrochloric Acid Media

    OSHIMA Tatsuya , OHKUBO Naoki , FUJIWARA Iori , HORIUCHI Takashi , KOYAMA Takao , OHE Kaoru , BABA Yoshinari

    … <p>Recently, cyclopentyl methyl ether (CPME) has found use as a commercially available solvent for various applications. … As CPME shows better properties such as more hydrophobicity, less solublity in water, less volatility, and more stablity compared with typical ethereal solvents, it could be used as a diluent or an extractant in liquid-liquid extraction systems. …

    Solvent Extraction Research and Development, Japan 24(2), 89-96, 2017

    J-STAGE 

  • Extraction Behavior of Metal Ions Using D2EHPA in Cyclopentyl Methyl Ether

    OSHIMA Tatsuya , FUJIWARA Iori , BABA Yoshinari

    Cyclopentyl methyl ether (CPME) has been developed as a commercially available ethereal solvent for application to various chemical processes. … In the present study, the extraction of transition metal ions using di-(2-ethylhexyl) phosphoric acid (D2EHPA) in CPME and dodecane was studied in order to evaluate the potential of CPME as a diluent in the liquid-liquid extraction process. …

    Solvent Extraction Research and Development, Japan 22(2), 119-125, 2015

    J-STAGE 

  • Contribution of cyclopentyl methyl ether (CPME) to green chemistry and process innovation  [in Japanese]

    渡辺 澄

    Fine chemicals 40(4), 46-52, 2011-04

  • Contribution of Cyclopentyl Methyl Ether(CPME) to Green Chemistry and Process Innovation  [in Japanese]

    Watanabe Kiyoshi

    Cyclopentyl methyl ether (CPME) is a novel high performance ether used in many manufacturing process (such as reaction, extraction and crystallization) originated from Japan and has seven unique physical properties which other ethers do not have.We will report herein some contribution of CPME to green chemistry and process innovation. …

    Proceedings of the Symposium on Progress in Organic Reactions and Syntheses 37(0), 19-19, 2011

    J-STAGE 

  • Autoxidation Resistant Cyclopentyl Methyl Ether

    HOSHINO Hayato , SAKAKIBARA Kazuhisa , WATANABE Kiyoshi

    … The bond dissociation energy of the C–H bond at the α-position of an ether oxygen in cyclopentyl methyl ether (CPME) has been evaluated theoretically to be 393.3 kJ/mol by using an isodesmic reaction method. …

    Chemistry Letters 37(7), 774-775, 2008-07-05

    J-STAGE  References (10)

  • Reaction of Unprotected Amino Acids : Akabori Reaction Part 2  [in Japanese]

    Yokoyama Yuusaku , Tsubaki Natsume , Kumagaya Syuuichi , Okuno Hiroaki

    … 2) DMSO or cyclopentyl methyl ether (CPME) could be used as a solvent. …

    Proceedings of the Symposium on Progress in Organic Reactions and Syntheses 33(0), 13-13, 2007

    J-STAGE 

  • Development of A New Solvent Cyclopentyl Methyl Ether(CPME)  [in Japanese]

    Watanabe Kiyoshi , Kogoshi naoto , Miki Hideaki

    Cyclopentyl methyl ether (CPME) has become available in a commercial quantity since Nov. 2005 from Zeon Corporation. …

    Proceedings of the Symposium on Progress in Organic Reactions and Syntheses 32(0), 88-88, 2006

    J-STAGE 

  • Cyclopentyl Methyl Ether  [in Japanese]

    WATANABE Kiyoshi , GOTO Kuniaki

    … 一方, 日本ゼオンでは, C4・C5化合物による新用途展開を従来から進めており, この度CPMEにその代替溶剤としての可能性を見出したので, ご紹介する。 …

    Journal of Synthetic Organic Chemistry, Japan 61(8), 806-808, 2003-08-01

    J-STAGE 

Page Top