All articles by Bertil Ekström

6 articles

Articles in volume 19 (1965)

Semisynthetic Penicillins. III. Aminopenicillins via Azidopenicillins.

Ekström, Bertil; Goméz-Revilla, Antonio; Mollberg, René; Thelin, Hugo; Sjöberg, Berndt

Pages: 281-299.

DOI number: 10.3891/acta.chem.scand.19-0281
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Semisynthetic Penicillins. V. alpha-(Ylideneimino-oxy)penicillins.

Bamberg, Peter; Ekström, Bertil; Undheim, Kjell; Sjöberg, Berndt

Pages: 352-358.

DOI number: 10.3891/acta.chem.scand.19-0352
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Semisynthetic Penicillins. VI. The Use of the o-Nitrophenylsulphenyl Protecting Group in the Preparation of Aminopenicillins.

Ekström, Bertil; Sjöberg, Berndt

Pages: 1245-1247.

DOI number: 10.3891/acta.chem.scand.19-1245
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Articles in volume 21 (1967)

Semisynthetic Penicilins. VII. The Use of Phenacyl 6-Aminopenicillinates in Penicillin Synthesis.

Bamberg, Peter; Ekström, Bertil; Sjöberg, Berndt

Pages: 2210-2214.

DOI number: 10.3891/acta.chem.scand.21-2210
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Articles in volume 22 (1968)

Semisynthetic Penicillins. VIII. The Use of Tributyltin 6-Aminopenicillanate in Penicillin Synthesis.

Bamberg, Peter; Ekström, Bertil; Sjöberg, Berndt

Pages: 367-369.

DOI number: 10.3891/acta.chem.scand.22-0367
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Articles in volume 27 (1973)

Penicillin Transformations. II. Properties and Structural Determinations of 2,2-Dimethyl-3(S)-methoxycarbonyl-6-acylamino-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepines.

Kovacs, Ödön K. J.; Ekström, Bertil; Sjöberg, Berndt

Pages: 677-704.

DOI number: 10.3891/acta.chem.scand.27-0677
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