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The molecular and crystal structure of the alkaloid haloxine

The molecular and crystal structure of the alkaloid haloxine <h2>Acta Crystallographica Section B</h2><h3>Structural Crystallography and Crystal Chemistry</h3><h3>0567-7408</h3> <h2>research papers</h2> Volume 24 Part 2 Pages 252-258 February 1968 <h2>The molecular and crystal structure of the alkaloid haloxine</h2> B. Nilsson 252 Acta Cryst. (1968). B24, 252 The Molecular and Crystal Structure of the Alkaloid Haloxine BY Bo NILSSON Crystallography Group, University of G6teborg, G6teborg, Sweden (Received 31 January 1967 and in revised form 23 June 1967) A new alkaloid, haloxine, has been isolated from Haloxylon salicornicum (Chenopodiaceae). Although it is a natural product with asymmetric carbon atoms, its hydrobromide C16H27N20+Br- crystallizes in the centrosymmetric space group PT demanding a racemate. Its structure has been solved by single- crystal heavy-atom techniques. The oxygen and nitrogen atoms were differentiated from the carbon atoms by least-squares refinement of the isotropic temperature factors. Introduction The alkaloid content of Haloxylon salicornicum (Moq.- Tand.) Boiss. (Chenopodiaceae) has previously been studied by Sandberg, Svanquist, Odberg & Sonmark (1960). A number of bases were detected and the main alkaloid, haloxine, was isolated as the hydrochloride (C16H2702N+ C1-, m.p. 193.5-196.0 °C). Chemical work established the quantitative formula and the presence of amide and amine nitrogen and of a keto oxygen atom (Michel, Sandberg, Haglid & Norin, 1967). As http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry International Union of Crystallography

The molecular and crystal structure of the alkaloid haloxine

The molecular and crystal structure of the alkaloid haloxine


Abstract

<h2>Acta Crystallographica Section B</h2><h3>Structural Crystallography and Crystal Chemistry</h3><h3>0567-7408</h3> <h2>research papers</h2> Volume 24 Part 2 Pages 252-258 February 1968 <h2>The molecular and crystal structure of the alkaloid haloxine</h2> B. Nilsson 252 Acta Cryst. (1968). B24, 252 The Molecular and Crystal Structure of the Alkaloid Haloxine BY Bo NILSSON Crystallography Group, University of G6teborg, G6teborg, Sweden (Received 31 January 1967 and in revised form 23 June 1967) A new alkaloid, haloxine, has been isolated from Haloxylon salicornicum (Chenopodiaceae). Although it is a natural product with asymmetric carbon atoms, its hydrobromide C16H27N20+Br- crystallizes in the centrosymmetric space group PT demanding a racemate. Its structure has been solved by single- crystal heavy-atom techniques. The oxygen and nitrogen atoms were differentiated from the carbon atoms by least-squares refinement of the isotropic temperature factors. Introduction The alkaloid content of Haloxylon salicornicum (Moq.- Tand.) Boiss. (Chenopodiaceae) has previously been studied by Sandberg, Svanquist, Odberg & Sonmark (1960). A number of bases were detected and the main alkaloid, haloxine, was isolated as the hydrochloride (C16H2702N+ C1-, m.p. 193.5-196.0 °C). Chemical work established the quantitative formula and the presence of amide and amine nitrogen and of a keto oxygen atom (Michel, Sandberg, Haglid & Norin, 1967). As

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Publisher
International Union of Crystallography
Copyright
Copyright (c) 1968 International Union of Crystallography
ISSN
0567-7408
DOI
10.1107/S0567740868002049
Publisher site
See Article on Publisher Site

Abstract

<h2>Acta Crystallographica Section B</h2><h3>Structural Crystallography and Crystal Chemistry</h3><h3>0567-7408</h3> <h2>research papers</h2> Volume 24 Part 2 Pages 252-258 February 1968 <h2>The molecular and crystal structure of the alkaloid haloxine</h2> B. Nilsson 252 Acta Cryst. (1968). B24, 252 The Molecular and Crystal Structure of the Alkaloid Haloxine BY Bo NILSSON Crystallography Group, University of G6teborg, G6teborg, Sweden (Received 31 January 1967 and in revised form 23 June 1967) A new alkaloid, haloxine, has been isolated from Haloxylon salicornicum (Chenopodiaceae). Although it is a natural product with asymmetric carbon atoms, its hydrobromide C16H27N20+Br- crystallizes in the centrosymmetric space group PT demanding a racemate. Its structure has been solved by single- crystal heavy-atom techniques. The oxygen and nitrogen atoms were differentiated from the carbon atoms by least-squares refinement of the isotropic temperature factors. Introduction The alkaloid content of Haloxylon salicornicum (Moq.- Tand.) Boiss. (Chenopodiaceae) has previously been studied by Sandberg, Svanquist, Odberg & Sonmark (1960). A number of bases were detected and the main alkaloid, haloxine, was isolated as the hydrochloride (C16H2702N+ C1-, m.p. 193.5-196.0 °C). Chemical work established the quantitative formula and the presence of amide and amine nitrogen and of a keto oxygen atom (Michel, Sandberg, Haglid & Norin, 1967). As

Journal

Acta Crystallographica Section B: Structural Crystallography and Crystal ChemistryInternational Union of Crystallography

Published: Feb 15, 1968

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