Shigeru Hasegawa | Researchain

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Featured researches published by Shigeru Hasegawa.

Tetrahedron Letters | 1991

Synthesis and antiviral activity of oxetanocin derivatives

Masayuki Kitagawa; Shigeru Hasegawa; Seiichi Saito; Nobuyoshi Shimada; Tomohisa Takita

Abstract The sugar part of natural oxetanocin A was chemically modified. Some of the derivatives demonstrated strong antiviral activity against human immunodeficiency virus (HIV).

The Journal of Antibiotics | 1986

Oxetanocin, a novel nucleoside from bacteria.

Nobuyoshi Shimada; Shigeru Hasegawa; Takashi Harada; Takayuki Tomisawa; Akio Fujii; Tomohisa Takita

The Journal of Antibiotics | 1986

THE X-RAY STRUCTURE DETERMINATION OF OXETANOCIN

Hikaru Nakamura; Shigeru Hasegawa; Nobuyoshi Shimada; Akio Fujii; Tomohisa Takita; Yoichi Iitaka

The Journal of Antibiotics | 1987

Derivatives of oxetanocin: Oxetanocins H, X and G, and 2-aminooxetanocin A.

Nobuyoshi Shimada; Shigeru Hasegawa; Seiichi Saito; Takaaki Nishikiori; Akio Fujii; Tomohisa Takita

Archive | 1985

Antibiotic derivative of adenine

Nobuyoshi Shimada; Shigeru Hasegawa; Takashi Harada; Takayuki Tomizawa; Akio Fujii

Archive | 1989

Oxetanocin-related compounds and process for producing same

Seiichi Saito; Shigeru Hasegawa; Katsutoshi Takahashi; Nobuyoshi Shimada; Jun-Ichi Seki; Hiroo Hoshino; Yukihiro Nishiyama; Kenichi Matsubara; Takemitsu Nagahata

Archive | 1989

Oxetanocin-related compounds and pharmaceutical compositions containing them

Seiichi Saito; Shigeru Hasegawa; Katsutoshi Takahashi; Nobuyoshi Shimada; Jun-Ichi Seki; Hiroo Hoshino; Yukihiro Nishiyama; Kenichi Matsubara; Takemitsu Nagahata

Archive | 1987