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Yoshiyuki Kai

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Publication

Featured researches published by Yoshiyuki Kai.

Journal of Biomaterials Science-polymer Edition | 1991

Selective synthesis of 2,4-bis(O-methoxypolyethylene glycol)-6-chloro-s-triazine as a protein modifier.

Kechi Ono; Yoshiyuki Kai; Hiroo Maeda; Fumio Samizo; Katsukiyo Sakurai; Hiroyuki Nishimura; Yuji Inada

2,4-Bis(O-methoxypolyethylene glycol)-6-chloro-s-triazine, a protein modifier with two polyethylene glycol chains (activated PEG2) was synthesized from monomethoxypolyethylene glycol and cyanuric chloride using zinc oxide as a catalyst by the improved method of a previous study (Matsushima et al., Chem. Lett. 7, 773, 1980). The product was identified as activated PEG2 without contamination of by-products with chromatographic and structural analysis.

Archive | 1991

Polyethylene glycol derivatives, their modified peptides, methods for producing them and use of the modified peptides

Yoshiharu Ikeda; Yoshiyuki Kai; Keiichi Ono

Archive | 1990

Polyethylene glycol derivatives, process for preparing the same and modified protein

Keiichi Ono; Yoshiyuki Kai; Yoshiharu Ikeda; Hiroo Maeda; Katsukiyo Sakurai; Yoshikatsu Tanaka; Michio Kubota; Kazuhisha Kashimoto

Archive | 1991

Polyethylene glycol derivatives, modified peptides and production thereof

Akihiko Sano; Hiroo Maeda; Yoshiyuki Kai; Keiichi Ono

Archive | 1993

Polyethylene glycol derivatives, process for preparing the same

Keiichi Ono; Yoshiyuki Kai; Hiroo Maeda

Archive | 1990

Process for preparing polyethylene glycol derivatives and modified protein.

Keiichi Ono; Yoshiyuki Kai; Yoshiharu Ikeda; Hiroo Maeda; Katsukiyo Sakurai; Yoshikatsu Tanaka; Michio Kubota; Kazuhisa Kashimoto

Archive | 1989

Polyethylene glycol substituted phenyl glyoxals

Akihiko Sano; Hiroo Maeda; Yoshiyuki Kai; Keiichi Ono

Archive | 1991

Polyethylenglykolderivate, modifizierte Peptide derselben, ihre Herstellung sowie Verwendung der modifizierten Peptide

Yoshiharu Ikeda; Yoshiyuki Kai; Keiichi Ono

Archive | 1991

Polyethylenglykolderivate, modifizierte Peptide derselben, ihre Herstellung sowie Verwendung der modifizierten Peptide. Polyethylene glycol derivatives, modified peptides thereof, their preparation and use of the modified peptides.

Yoshiharu Ikeda; Yoshiyuki Kai; Keiichi Ono

Archive | 1991

Polyethylene glycol derivatives, modified peptides thereof, their preparation and use of the modified peptides.

Yoshiharu Ikeda; Yoshiyuki Kai; Keiichi Ono

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Collaboration

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Hiroo Maeda

Okayama University

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Katsukiyo Sakurai

Toin University of Yokohama

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Akihiko Sano

Dainippon Sumitomo Pharma Co.

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Hiroyuki Nishimura

Juntendo University

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Yuji Inada

Toin University of Yokohama

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