2005
DOI: 10.1016/j.jorganchem.2004.11.019
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Allylic hydroxy phosphonates: versatile chiral building blocks

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Cited by 29 publications
(9 citation statements)
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“…katalysierte asymmetrische [3,3]-Umlagerung eingehen, der ein Decarboxylierungsschritt folgt. [11,12] In unseren anfänglichen Studien haben wir die Mçglichkeit einer decarboxylierenden asymmetrischen Umlagerung des allylischen N-Tosylcarbamats 1 a untersucht (Tabelle 1).…”
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“…katalysierte asymmetrische [3,3]-Umlagerung eingehen, der ein Decarboxylierungsschritt folgt. [11,12] In unseren anfänglichen Studien haben wir die Mçglichkeit einer decarboxylierenden asymmetrischen Umlagerung des allylischen N-Tosylcarbamats 1 a untersucht (Tabelle 1).…”
unclassified
“…A series of cross metathesis reactions were performed to establish the baseline reactivity of vinylphosphonates ( Scheme 4 ). Not surprisingly, the terminal vinylphosphonate 15 underwent smooth cross metathesis with either 1-hexene or 1-heptene using our standard conditions (2% Grubbs II, 4% CuI, CH 2 Cl 2 reflux) [ 2 , 26 27 ] to give the substituted vinylphosphonates 12a or 12b in good yield. In contrast, when vinylphosphonate 12a was subjected to a cross metathesis reaction with methyl acrylate, the cross metathesis product 16a was formed in low yield (~11%) as part of a complex mixture.…”
Section: Resultsmentioning
confidence: 98%
“…[18][19][20] MS detection has emerged as perhaps the most general ancillary detector for various types of chromatography screening systems, and the recent emergence of low cost (<$50 000) miniaturized MS detectors 21 suggests a growing importance for the use of MS detection for chromatographic method development screening. A recent challenging sample from the Spilling-Hamper laboratories involves the chromatographic separation of the enantiomers of alkyl phosphonates, 22,23 which are not only very difficult to detect by UV, but also very rapidly eluting on a number of stationary phases. Chiral SFC screening with MS detection afforded clear resolution of the enantiomers for both species, with optimized was limited to the duration of this study, and is not an ongoing invitation to submit samples to these laboratories.…”
Section: Resultsmentioning
confidence: 99%