All articles by Leif Grehn
11 articlesArticles in volume 40b (1986)
Structure-Activity Relationships in Distamycin A Analogues: Effect of Alkyl Groups on the Pyrrole Nitrogen at the Non-amidine End of the Molecule Combined with Methyl Elimination in the Following Ring. Grehn, Leif; Ragnarsson, Ulf; Datema, Roelf Pages: 145-151. DOI number: 10.3891/acta.chem.scand.40b-0145 |
A Simple Method for tert-Butoxycarbonylation of Amides. Grehn, Leif; Gunnarsson, Kerstin; Ragnarsson, Ulf Pages: 745-750. DOI number: 10.3891/acta.chem.scand.40b-0745 |
Articles in volume 41b (1987)
Selective Cleavage of Boc-acylamides. A Novel Approach to Deacylation of Carboxamides. Grehn, Leif; Gunnarsson, Kerstin; Ragnarsson, Ulf Pages: 18-23. DOI number: 10.3891/acta.chem.scand.41b-0018 |
Articles in volume 43 (1989)
Facile Synthesis of Monoacetylated Spermidines, Illustrating Selective Deacetylation and Application of a Common Precursor. Almeida, M. Lurdes S.; Grehn, Leif; Ragnarsson, Ulf Pages: 990-994. DOI number: 10.3891/acta.chem.scand.43-0990 |
Articles in volume 44 (1990)
The Preparation and Properties of Partially Protected 4-Amino-1-methylimidazole-2-carboxylic Acids to be Used as Intermediates in the Synthesis of Analogues of Distamycin A. Grehn, Leif; Ding, Lu; Ragnarsson, Ulf Pages: 67-74. DOI number: 10.3891/acta.chem.scand.44-0067 |
The Preparation of Partially Protected 3-Amino-1-methylpyrazole-5-carboxylic Acids to be Used as Intermediates in the Synthesis of Analogues of Distamycin A. Ding, Lu; Grehn, Leif; Ragnarsson, Ulf Pages: 75-81. DOI number: 10.3891/acta.chem.scand.44-0075 |
Articles in volume 47 (1993)
Synthesis, Properties and Use of Nitridotricarbonic Acid Tri-tert-Butyl Ester. Degerbeck, Fredrik; Grehn, Leif; Ragnarsson, Ulf Pages: 896-898. DOI number: 10.3891/acta.chem.scand.47-0896 |
Synthesis and Spectroscopic Properties of 13C- and 15N-Labelled tert-Butoxycarbonylglycines. Grehn, Leif; Pehk, Tönis; Ragnarsson, Ulf Pages: 1107-1111. DOI number: 10.3891/acta.chem.scand.47-1107 |
Articles in volume 48 (1994)
Synthesis and Antiviral Activity of Three Pyrazole Analogues of Distamycin A. Ding, Lu; Grehn, Leif; De Clercq, Erik; Andrei, Graciela; Snoeck, Robert; Balzarini, Jan; Fransson, Bengt; Ragnarsson, Ulf Pages: 498-505. DOI number: 10.3891/acta.chem.scand.48-0498 |
Articles in volume 49 (1995)
Synthesis of 15N-Labelled Leu-Enkephalins. Degerbeck, Fredrik; Fransson, Bengt; Grehn, Leif; Ragnarsson, Ulf Pages: 149-151. DOI number: 10.3891/acta.chem.scand.49-0149 |
Articles in volume 52 (1998)
Chemoselective Substitution in 4-Toluenesulfonamides and Carbamates by Di-tert-butyl Dicarbonate in the Presence of 4-Dimethylaminopyridine. Pages: 627-630. DOI number: 10.3891/acta.chem.scand.52-0627 |