Welcome to
YOKOYAMA Lab.(Organic Chemistry)

FIGURE:Sterpuric acid

My Research

Total Synthesis of Natural Products, based on New Reaction,
for Chemical Biology, towards the New methodologies

Research Themes

New Novel Reactions

１．Gold-catalyzed Cyclizations
SYNLETT, 27, 19, 2731(2016)

２．Palladium-catalyzed Cyclizations
Journal of Synthetic Organic Chemistry, Japan, 78, 317 (2020)
Heterocycles, 75, 2133 (2008)
Journal of Synthetic Organic Chemistry, Japan, 56, 50 (1998)

３．Palladium-catalyzed Heck-Jeffery Cyclizations
SYNLETT, 16, 2649 (2006)

４．Palladium-catalyzed Diels-Alder reactions
Heterocycles, 91, 1752 (2015)

Total Synthesis & Synthetic Studies

1．DMJ
Organic Letters, 2, 16, 2427(2000)

2．DNJ
Heterocycles, 74, 283(2007)

3．Fagomine
Tetrahedron Asymmetry, 18, 852 (2007)

4．SS20846A
Tetrahedron Letters, 39, 5971(1998)

5．DienomycinC
Tetrahedron, 66,43,8458(2010)

6．Yessotoxin
Heterocycles, 96, 470(2018)
Tetrahedron Letters, 57, 39, 4379(2016)
Heterocycles, 89, 353(2014)

7．SarcophytolA
Journal of Organic Chemistry, 57, 13, 3521(1992)

8．Indole
Tetrahedron, 70, 9530(2014)

9．VitaminD3
SYNLETT, 187(1997)
Tetrahedron Letters, 38,595(1997)

Chemical Biology

Tetrahedron Letters, 39, 7741(1998)

My Teaching

Lectures2025

（for B1 students）Basic ChemistryIII
（for B2 students）Organic ChemistryIIIB
（for B3 students）Organic Chemistry Laboratory

Contact
E-mail

hyokoyam@ and then: sci.u-toyama.ac.jp

2025.07.15 updated

LINK

University of Toyama

School of Science

日本語

Welcome to YOKOYAMA Lab.(Organic Chemistry)