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Diastereoselective ...
Diastereoselective addition of methylmetal reagents to 2-methylaldehydes.
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- Larsson, Michael (författare)
- Mittuniversitetet,Institutionen för naturvetenskap (-2008)
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- Högberg, Hans-Erik (författare)
- Mittuniversitetet,Institutionen för naturvetenskap (-2008)
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(creator_code:org_t)
- 2001
- 2001
- Engelska.
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Ingår i: Tetrahedron. - 0040-4020 .- 1464-5416. ; 57:35, s. 7541-7548
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The preparation of compounds incorporating the 3-hydroxy-2-methyl-1-butyl moiety of high diastereomeric purity is described. These compounds can serve as potential building blocks for the preparation of several kinds of natural products. The diastereoselective addition of a number of methylmetal derivatives to three 3-substituted 2-methylaldehydes in various solvents was studied. An excellent diastereomeric. ratio (95:5 anti-Cram/Crain) was obtained with 2-methyl-3-(phenylsulfanyl)propanal (5) and Me2Zn in the presence of TiCl4.
Ämnesord
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- addition
- asymmetric induction
- diastereoselection
- chelation
- Organic chemistry
- Organisk kemi
- Chemistry
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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