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1.	Bergström, Gunnar, et al. (author) Sex pheromone of the pine sawfly Diprion pini (Hymenoptera: Diprionidae) : Chemical identification, synthesis and biological activity 1995 In: Experientia. - 0014-4754. ; 51:4, s. 370-380 Journal article (peer-reviewed)
2.	Edlund, Håkan, et al. (author) Resolution of 2-Methylalkanoic Acids : Enantioselective Esterification with Long Chain Alcohols Catalysed by Candida rugosa Lipase 1996 In: Acta Chemica Scandinavica. - : Danish Chemical Society. - 0904-213X. ; 50:8, s. 666-671 Journal article (peer-reviewed)
3.	Högberg, Hans-Erik, et al. (author) Biocatalysis as a useful tool in pheromone synthesis. Enantiomerically pure building blocks from baker's yeast reductions and enzyme catalysed resoluti 1994 In: Catalysis Today. - : Elsevier BV. - 0920-5861. ; 22:3, s. 591-606 Journal article (peer-reviewed)abstract Biocatalytical methods are presented which provide useful building blocks for pheromone synthesis. Examples of the utility of this approach are the preparation of building blocks for the synthesis of stereochemically pure isomers of pine sawfly pheromones and some other pheromones. Enantiom- erically pure ( 98% ee) 2-methyl-1-alkanols 2 were obtained via baker's yeast reduction of suitable Î±,Î²-unsaturated aldehydes, and by using lipases from Pseudomonas to effect resolution by transesterification of suitable racemic precursors to 2-methyl-1-alkanols 2 which gave high enantiomeric ratios E > 100. The resolution by esterification mediated by lipase from Candida rugosa of racemic 2-methylalkanoic acids also gave high enantiomeric ratios E> 100 after having improved the reaction conditions by regulating water activity, by choice of the appropriate complimentary substrate alcohol and by adjusting the initial equivalents of the latter present at the start. Also discussed is the separation of diastereomers of diprionol 1, which is naturally occurring in the pine sawfly Neodiprion sertifer, where it is the direct precursor of its pheromone.
4.	Högberg, Hans-Erik, et al. (author) Water Activity Influences Enantioselectivity in a Lipase Catalysed Resolution by Esterification in an Organic Solvent 1993 In: Tetrahedron: Asymmetry. - 0957-4166 .- 1362-511X. ; 4:10, s. 2123-2126 Journal article (peer-reviewed)

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Type of publication: journal article (4)

Type of content: peer-reviewed (4)

Author/Editor: Edlund, Håkan (4)Undo refine; Högberg, Hans-Er... (4)Undo refine; Hedenström, Erik (4); Berglund, Per (2); Bergström, Gunnar (1); Berglund, P (1); show more...; Jensen, M (1); Anderbrant, O. (1); Geri, C. (1); Varama, M. (1); Fägerhag, J. (1); Wassgren, A. B. (1); Löfqvist, J (1); Lundh, M. (1); Vörde, Carin (1); Fägerhag, Jonas (1); Auger, M. A. (1); Hansson, B. S. (1); Servi, S (1); Edlund, Helen (1); Nordin, O. (1); show less...

University: Mid Sweden University (4); Royal Institute of Technology (3); Lund University (1)Undo refine

Language: English (4)

Research subject (UKÄ/SCB): Natural sciences (4)

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