All articles by Ulf Ragnarsson
26 articlesArticles in volume 17 (1963)
| Syntheses of three Xylocaine(R) Analogues. Steric Effects in the Reaction between 2,6-Dimethylphenyllithium and Epichlorohydrin. Löfgren, Nils; Ragnarsson, Ulf; Sjöberg, Kjell Pages: 1252-1261. DOI number: 10.3891/acta.chem.scand.17-1252 |
Articles in volume 24 (1970)
| Reactivity of p-Nitrophenyl Esters in Solid Phase Peptide Synthesis. Karlsson, Sune; Lindeberg, Gunnar; Ragnarsson, Ulf Pages: 337-338. DOI number: 10.3891/acta.chem.scand.24-0337 |
| Removal of t-Butyloxycarbonyl Groups in Solid Phase Peptide Synthesis. Karlsson, Sune; Lindeberg, Gunnar; Porath, Jerker; Ragnarsson, Ulf Pages: 1010-1014. DOI number: 10.3891/acta.chem.scand.24-1010 |
| Amino Group Protection in Solid Phase Peptide Synthesis. Ragnarsson, Ulf; Karlsson, Sune; Lindeberg, Gunnar Pages: 2821-2825. DOI number: 10.3891/acta.chem.scand.24-2821 |
| Note on the Use of Active Esters in Combination with 1,2,4-Triazole in Solid Phase Peptide Synthesis. Ragnarsson, Ulf; Lindeberg, Gunnar; Karlsson, Sune Pages: 3079-3080. DOI number: 10.3891/acta.chem.scand.24-3079 |
Articles in volume 25 (1971)
| Studies on the Coupling Step in Solid Phase Peptide Synthesis. Some Preliminary Results from Competition Experiments. Ragnarsson, Ulf; Karlsson, Sune; Sandberg, Bengt Pages: 1487-1489. DOI number: 10.3891/acta.chem.scand.25-1487 |
Articles in volume 26 (1972)
| A Simplified Procedure for the Preparation of t-Butyloxycarbonyl and Similar N-Protected Amino Acid Derivatives. Ragnarsson, Ulf; Karlsson, Sune M.; Sandberg, Bengt E. Pages: 2550-2551. DOI number: 10.3891/acta.chem.scand.26-2550 |
Articles in volume 28b (1974)
| Synthesis of Bradykinin by Fragment Condensation on a Solid Support. Karlsson, Sune M.; Ragnarsson, Ulf Pages: 376-378. DOI number: 10.3891/acta.chem.scand.28b-0376 |
Articles in volume 33b (1979)
| New Activating and Coupling Agents for Formation of Amide and Peptide Bonds. Davidovitch, Yuri A.; Ragnarsson, Ulf Pages: 311-312. DOI number: 10.3891/acta.chem.scand.33b-0311 |
| Improved Preparation of N-(Phenylisopropyloxycarbonyl) Amino Acids from the Corresponding Fluoroformate. Franzén, Henry; Ragnarsson, Ulf Pages: 690-692. DOI number: 10.3891/acta.chem.scand.33b-0690 |
Articles in volume 39b (1985)
| Protected Homocysteine Peptides as Precursors of Labelled Methionine Peptides. Application in Preparation of Methionine-Enkephalin. Någren, Kjell; Långström, Bengt; Ragnarsson, Ulf Pages: 157-161. DOI number: 10.3891/acta.chem.scand.39b-0157 |
| Synthesis, Antidiuretic and Pressor Activities of [Arginine4]Arginine-Vasopressin and Two Related Analogues. Rekowski, Piotr; Lammek, Bernard; Melin, Per; Ragnarsson, Ulf; Kupryszewski, Gotfryd Pages: 453-457. DOI number: 10.3891/acta.chem.scand.39b-0453 |
Articles 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 |
| Preparation and Properties of Nalpha-Di-tert-Butoxycarbonyl Amino Acids. Applicability in the Synthesis of Leu-Enkephalin. Gunnarsson, Kerstin; Ragnarsson, Ulf Pages: 944-951. DOI number: 10.3891/acta.chem.scand.44-0944 |
Articles in volume 47 (1993)
| Synthesis and Application of N,N-Bis-(1-adamantyloxycarbonyl) Amino Acids. Nyasse, Barthélémy; Ragnarsson, Ulf Pages: 374-379. DOI number: 10.3891/acta.chem.scand.47-0374 |
| 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 |
Articles in volume 53 (1999)
| Synthesis of Substituted Hydrazines from Triprotected Precursors. Mäeorg, Uno; Pehk, Tönis; Ragnarsson, Ulf Pages: 1127-1133. DOI number: 10.3891/acta.chem.scand.53-1127 |