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Featured researches published by Yoshiya Amemiya.


Tetrahedron Letters | 1981

Total synthesis of tylonolide, an aglycone of tylosin

Kuniaki Tatsuta; Yoshiya Amemiya; Yoshinobu Kanemura; Mitsuhiro Kinoshita

Abstract The total synthesis of tyionolide, a 16-membered-ring aglycone of a macrolide antibiotic, tyiosin, has been accomplished by coupling two segments of C1-C10 and C11-C17 portions, which are stereospecifically derived from D-glucose.


Tetrahedron Letters | 1980

Total synthesis of carbomycin B and josamycin (leucomycin A3)

Kuniaki Tatsuta; Yoshiya Amemiya; Shunji Maniwa; Mitsuhiro Kinoshita

Abstract The stereospecific total synthesis of macrolide antibiotics, carbomycin B and josamycin (leucomycin A 3 ), is described. The key aglycone has been synthesized by coupling two segments of C1–C10 and C11–C16 portions, which are stereospecifically derived from glucose.


Tetrahedron Letters | 1982

Total synthesis of tylosin

Kuniaki Tatsuta; Yoshiya Amemiya; Yoshinobu Kanemura; Hideaki Takahashi; Mitsuhiro Kinoshita

Abstract Tylosin has been synthesized byregio- and stereoselective introduction of the amino disaccharide moiety and D-mycinose onto the previously synthesized 16-membered-ring aglycone.


Bulletin of the Chemical Society of Japan | 1982

Total Synthesis of a Macrocyclic Lactone Antibiotic A26771B and Its Isomers Using Carbohydrates

Kuniaki Tatsuta; Yoshiya Amemiya; Yoshinobu Kanemura; Mitsuhiro Kinoshita


ChemInform | 1983

TOTAL SYNTHESIS OF TYLOSIN

Kuniaki Tatsuta; Yoshiya Amemiya; Y. Kanemura; Hideaki Takahashi; Mitsuhiro Kinoshita


ChemInform | 1984

Stereoselective total synthesis of pyrrolizidine alkaloid bases: (-)-rosmarinecine and (-)-isoretronecanol

Kuniaki Tatsuta; Hideaki Takahashi; Yoshiya Amemiya; Mitsuhiro Kinoshita


ChemInform | 1983

TOTAL SYNTHESIS OF A MACROCYCLIC LACTONE ANTIBIOTIC A26771B AND ITS ISOMERS USING CARBOHYDRATES

Kuniaki Tatsuta; Yoshiya Amemiya; Y. Kanemura; Mitsuhiro Kinoshita


ChemInform | 1982

TOTAL SYNTHESIS OF TYLONOLIDE, AN AGLYCONE OF TYLOSIN

Kuniaki Tatsuta; Yoshiya Amemiya; Y. Kanemura; Mitsuhiro Kinoshita


ChemInform | 1981

STEREOSPECIFIC TOTAL SYNTHESIS OF A MACROCYCLIC LACTONE ANTIBIOTIC A 26771 B

Kuniaki Tatsuta; A. Nakagawa; S. Maniwa; Yoshiya Amemiya; Mitsuhiro Kinoshita


ChemInform | 1980

TOTAL SYNTHESIS OF CARBOMYCIN B AND JOSAMYCIN (LEUCOMYCIN A3)

Kuniaki Tatsuta; Yoshiya Amemiya; S. Maniwa; Mitsuhiro Kinoshita

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