YOKOYAMA Hajime

写真a

Title

Lecturer

Research Fields, Keywords

Organic Chemistry, Natural Product Chemistry, Organic Synthetic Chemistry, Computational Chemistry

Campus Career 【 display / non-display

  • 2009.08
     
     

    University of ToyamaGraduate School of Science and Engineering for Research   Nano and Functional Material Sciences   Basic Material Science   Lecturer  

  • 2009.08
     
     

    University of ToyamaFaculty of Science   Department of Chemistry   Lecturer  

Academic Society Affiliations 【 display / non-display

  • 1990.04
     
     
     

    The Chemical Society of Japan(CSJ)

  • 1995.04
     
     
     

    The Society of Synthetic Organic Chemistry, Japan

  • 2019.04
     
     
     

    Japanese Society for Chemical Biology

  • 2019.03
     
     
     

    International Union of Pure and Applied Chemistry(IUPAC)

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Organic chemistry

  • Drug development chemistry

 

Papers 【 display / non-display

  • Efficient Synthesis of Seven-Membered Cyclic Ethers Using Pd(II) Catalyst

    Miyazawa, M., Yano, Y., Hayashi, C., Okuno, M., Hara, K., Hirai, Y., Yokoyama, H.

    Hetetrocycles   94 ( 10 ) 1885 - 1894   2017.10

    Joint Work

  • Synthetic Studies of Yessotoxin: Stereoselective Annulation of the CD and JK ring fragments by using Pd(II)-catalyzed cyclization

    Yokoyama, H., Moriyama, G., Nishida, K., Kusumoto, Y., Tsuge, K., Miyazawa, M., Yoshiro Hirai, Y.

    Hetetrocycles   96 ( 3 ) 470 - 482   2018.03

    Joint Work

  • Stereoselective Construction of Polyether trans-Pyran Ring System by Gold(I)-Catalyzed Cyclization

    Yokoyama,H., Matsuo, M., Miyazawa,M., Hirai, Y.

    SYNLETT   27 ( 19 ) 2731 - 2733   2016.12

    Joint Work

    DOI

  • The novel approach to indole alkaloids by using Pd(II)-catalyzed cyclization

    Yokoyama, H., Kubo, T., Matsumura, Y., Hosokawa, J., Miyazawa, M., and Hirai, Y.

    Tetrahedron   70   9530 - 9535   2014.10

    Joint Work

    DOI

  • Total synthesis of (+)-dienomycin C

    Yokoyama, H., Hayashi, Y., Nagasawa, Y., Ejiri, H., Miyazawa, M., and Hirai, Y.

    Tetrahedron   66   8458 - 8463   2010.10

    Joint Work

    DOI

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Review Papers 【 display / non-display

  • Palladium(II)-catalyzed cyclization via N-alkylation of an allyl alcohol with an urethane and its application to the syntheses of natural products

    Yokoyama, H., Hirai, Y.

    Heterocycles     2133 - 2153   2008.04

    Introduction and explanation (scientific journal)   Joint Work

Academic Awards Received 【 display / non-display

  • Ajinomoto's Award in Synthetic Organic Chemistry, Japan

    2001.02.20    

    Winner: Hajime Yokoyama

Presentations 【 display / non-display

  • Gold-activated Allylic Alcohol and its Application to the Natural Products Synthesis: Stereoselective Polyethers and Acetogenins Synthesis

    20th IUPAC International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis(OMCOS20)  2019.07  -  2019.07 

  • Au-, Pd-catalyst controlled stereoselective cyclization of allylic alcohol for the pyran ring system of the natural polyethers

    XXII International Conference on Organic Synthesis(ICOS-22)  2018.09  -  2018.09 

  • Synthetic studies of carbazole alkaloids

    The International Chemical Congress of Pacific Basin Societies 2015  2015.12  -  2015.12 

  • Au(I)-catalyzed cyclization: Its application to the synthesis of polyethers

    The International Chemical Congress of Pacific Basin Societies 2015  2015.12  -  2015.12 

  • Synthetic studies of JK-ring system of yessotoxin

    The International Chemical Congress of Pacific Basin Societies 2015  2015.12  -  2015.12 

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