All articles by Tor Ottersen

14 articles

Articles in volume 25 (1971)

On the Structure of L-DOPA (2S-3-(3,4-Dihydroxyphenyl)alanine).

Mostad, Arvid; Ottersen, Tor; Rømming, Chr.

Pages: 3549-3560.

DOI number: 10.3891/acta.chem.scand.25-3549
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Articles in volume 29a (1975)

On the Structure of the Peptide Linkage. The Structures of Formamide and Acetamide at -165 degrees C and an ab initio Study of Formamide, Acetamide, and N-Methylformamide.

Ottersen, Tor

Pages: 939-944.

DOI number: 10.3891/acta.chem.scand.29a-0939
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Articles in volume 31a (1977)

Molecular Structure of Gaseous Pyridazine and 3,6-Dichloropyridazine by Electron Diffraction.

Almenningen, Arne; Bjørnsen, Gudmund; Ottersen, Tor; Seip, Ragnhild; Strand, Tor G.

Pages: 63-68.

DOI number: 10.3891/acta.chem.scand.31a-0063
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The Crystal and Molecular Structure of 2,2'-Diaminodiphenyl at -165 degrees C.

Ottersen, Tor

Pages: 480-484.

DOI number: 10.3891/acta.chem.scand.31a-0480
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The Crystal and Molecular Structure of Hexahydro-1,2-dimethyl-1,3,6-pyridazinedione at -165 degrees C.

Ottersen, Tor; Sørensen, Ulla

Pages: 808-812.

DOI number: 10.3891/acta.chem.scand.31a-0808
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Articles in volume 32a (1978)

The Crystal and Molecular Structure of 1,2-Dimethyl-1,2-diformylhydrazine at 110 K.

Ottersen, Tor

Pages: 127-131.

DOI number: 10.3891/acta.chem.scand.32a-0127
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The Crystal and Molecular Structure of Acetylhydrazonium Chloride at 110 K.

Ottersen, Tor

Pages: 169-171.

DOI number: 10.3891/acta.chem.scand.32a-0169
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The Electron Density Distribution in Hexahydro-3,6-pyridazinedione.

Ottersen, Tor; Almløf, Jan

Pages: 219-224.

DOI number: 10.3891/acta.chem.scand.32a-0219
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Articles in volume 32b (1978)

Constituents of Helenium amarum (Compositae). I. X-Ray Crystallographic Determination of Heleniamarin, a New Sesquiterpene Lactone.

Ottersen, Tor; Sørensen, Ulla; Elsohly, Mahmoud A.; Turner, Carlton E.

Pages: 79-84.

DOI number: 10.3891/acta.chem.scand.32b-0079
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Articles in volume 33b (1979)

N-Quaternary Compounds. Part LIV. Isomerization by Flash Vacuum Pyrolysis.

Laerum, Tore; Ottersen, Tor; Undheim, Kjell

Pages: 299-304.

DOI number: 10.3891/acta.chem.scand.33b-0299
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Regioselective Addition of 2-Pyridinone to C-2 of a Haloalkyne.

Breivik, Harald; Ottersen, Tor; Undheim, Kjell

Pages: 365-369.

DOI number: 10.3891/acta.chem.scand.33b-0365
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1H-2-Benzothiopyran-4(3H)-one in Aldol and Mannich Reactions.

Johansen, Øyvind Hammer; Ottersen, Tor; Undheim, Kjell

Pages: 669-674.

DOI number: 10.3891/acta.chem.scand.33b-0669
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Articles in volume 34a (1980)

Crystal Structure Determinations of 4-(Anilinomethylene)tetrahydrothiophene-3-one and N-Phenyl-2,5-dihydrothiophene-3-carboxamide.

Skinnemoen, Kari; Ottersen, Tor

Pages: 359-363.

DOI number: 10.3891/acta.chem.scand.34a-0359
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Articles in volume 36a (1982)

The Crystal Structure and Electron Density Distribution of Tetraformohydrazide at 110 K.

Ottersen, Tor; Almlöf, Jan; Carlé, Jørgen

Pages: 63-68.

DOI number: 10.3891/acta.chem.scand.36a-0063
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