Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Brett G. Larsen"'
1
Biotransformation of organic sulfides—VII. A predictive model for sulfoxidation by Helminthosporium species NRRL 4671
Autor: Brett G. Larsen, Gingipalli Lakshmaiah, Manish Patel, Frances M. Brown, Herbert L. Holland
Publikováno v: Tetrahedron: Asymmetry. 8:683-697
The fungus Helminthosporium species NRRL 4671 converts a wide range of prochiral sulfides to the corresponding chiral sulfoxides, the majority of which have ( S ) configuration at sulfur. The formation of a series of chiral cyclopentyl alkyl, cyclohe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd3b16f0118c0d53f741e0f9e842e2c2
https://doi.org/10.1016/s0957-4166(97)00006-2
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2
Biotransformation of organic sulfides. Part 6. Formation of chiral para-substituted benzyl methyl sulfoxides by Helminthosporium species NRRL 4671
Autor: Brett G. Larsen, Frances M. Brown, Herbert L. Holland
Publikováno v: Tetrahedron: Asymmetry. 6:1561-1567
The fungus Helminthosporium species NRRL 4671 has been used for the biotransformation of a series of para -alkylbenzyl sulfides with alkyl groups consisting of methyl, ethyl, n.propyl, isopropyl, n.butyl, and t.butyl. For the majority of substrates,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::349c9b8690f6f96b11ba2dbcf89e7ef6
https://doi.org/10.1016/0957-4166(95)00199-y
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3
Biotransformation of organic sulfides. Part 7. Formation of chiral isothiocyanato sulfoxides and related compounds by microbial biotransformation
Autor: Brett G. Larsen, Mirjana Zabic, Frances M. Brown, Herbert L. Holland
Publikováno v: Tetrahedron: Asymmetry. 6:1569-1574
The fungi Helminthosporium species NRRL 4671 and Mortierella isabellina ATCC 42613 have been used for the biotransformation of a series of isothiocyanatoalkyl methyl sulfides and their synthetic precursors, ω-(methylthio)alkylphthalimides. H . speci
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4160c9754d765b4b76e3e3b2c6f83e3
https://doi.org/10.1016/0957-4166(95)00200-9
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6
ChemInform Abstract: Preparation of (R)-Sulforaphane by Biotransformation Using Helminthosporium species NRRL 4671
Autor: Brett G. Larsen, Frances M. Brown, Herbert L. Holland
Publikováno v: ChemInform. 25
The fungus Helminthosporium species NRRL 4671 oxidizes 1-isothiocyanato-4-(methylthio)butane to (−)-1-isothiocyanato-(4R)-(methylsulfinyl)butane (sulforaphane). Helminthosporium also converts 1-methylthio-4-(N-phthalimidyl)butane to the (R) sulfoxi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4b3958dfb45212aee5026d682432680
https://doi.org/10.1002/chin.199450253
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7
ChemInform Abstract: Biotransformation of Organic Sulfides. Part 7. Formation of Chiral Isothiocyanato Sulfoxides and Related Compounds by Microbial Biotransformation
Autor: Brett G. Larsen, Mirjana Zabic, Herbert L. Holland, Frances M. Brown
Publikováno v: ChemInform. 27
The fungi Helminthosporium species NRRL 4671 and Mortierella isabellina ATCC 42613 have been used for the biotransformation of a series of isothiocyanatoalkyl methyl sulfides and their synthetic precursors, ω-(methylthio)alkylphthalimides. H . speci
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6687bbcf9ae298456e2ccf9e70a4422f
https://doi.org/10.1002/chin.199601040
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8
Preparation of substituted (R)-2-alkanols by microbial hydroxylation
Autor: Brett G. Larsen, Herbert L. Holland, Peter R. Andreana, Andreas Kohl, Jian-Xin Gu
Publikováno v: Journal of Molecular Catalysis B: Enzymatic. 2:L253-L255
Hydroxylation of alkanenitriles (C6 to C10) and of 2-octanone, 2-nonanone and 2-decanone by Helminthosporium species NRRL 4671 occurs predominantly at the (ω-1) position to give the corresponding (R-2-alkanols in > 95% enantiomeric purity.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19df8ff7d379255f9e8dd9f1ddcaa38a
https://doi.org/10.1016/s1381-1177(97)00002-7
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9
Biotransformation of organic sulfides--IV. Formation of chiral benzyl alkyl and phenyl alkyl sulfoxides by Helminthosporium species NRRL 4671
Autor: Brett G. Larsen, Frances M. Brown, Herbert L. Holland
Publikováno v: Bioorganicmedicinal chemistry. 2(7)
The fungus Helminthosporium species NRRL 4671 has been used for the biotransformation of a series of phenyl alkyl sulfides with alkyl groups ranging from methyl to n-hexyl, and benzyl alkyl sulfides with alkyl groups from methyl to n-nonyl. Several 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be871ae3e7387b8c13041286d281f475
https://pubmed.ncbi.nlm.nih.gov/7858971
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10
Preparation of (R)-sulforaphane by biotransformation using Helminthosporium species NRRL 4671
Autor: Herbert L. Holland, Frances M. Brown, Brett G. Larsen
Publikováno v: Tetrahedron: Asymmetry. 5:1129-1130
The fungus Helminthosporium species NRRL 4671 oxidizes 1-isothiocyanato-4-(methylthio)butane to (−)-1-isothiocyanato-(4R)-(methylsulfinyl)butane (sulforaphane). Helminthosporium also converts 1-methylthio-4-(N-phthalimidyl)butane to the (R) sulfoxi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46e34c5dd793f8ad15ba48e48583bd6a
https://doi.org/10.1016/0957-4166(94)80137-1
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