1999
DOI: 10.1016/s0040-4039(99)01850-x
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Interactive analysis of selectivity in kinetic resolutions

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Cited by 32 publications
(21 citation statements)
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“…Calculations using the values of ee, C, and s can be made using a web-based tool. 88,89 The great value of the s factor is that once it is established, it can be used to calculate the best conversion values to give a maximum ee with a maximum yield of enantiomerically enriched material. The s value varies from 1 to infinity, but, in theory, a value of 10 will yield an ee of 67% at 50% conversion, an ee of 86% at 60% conversion, and an ee of 98% at 70% conversion.…”
Section: Two-electron Secondarymentioning
confidence: 99%
See 1 more Smart Citation
“…Calculations using the values of ee, C, and s can be made using a web-based tool. 88,89 The great value of the s factor is that once it is established, it can be used to calculate the best conversion values to give a maximum ee with a maximum yield of enantiomerically enriched material. The s value varies from 1 to infinity, but, in theory, a value of 10 will yield an ee of 67% at 50% conversion, an ee of 86% at 60% conversion, and an ee of 98% at 70% conversion.…”
Section: Two-electron Secondarymentioning
confidence: 99%
“…It is suggested that the s value for any given case be measured at more than one concentration. 89,90 Some authors have given s values along with ee and conversion values, and some have not.…”
Section: Two-electron Secondarymentioning
confidence: 99%
“…S-Werte > 50 sind häufig nicht verlässlich, da die logarithmische Gleichung sehr empfindlich ist und die Messungen der ee-Werte und Umsätze fehlerbehaftet sind. [19] Wir haben uns allerdings entschieden, die publizierten S-Werte für die vorgestellten Reaktionen anzugeben, auch wenn sie > 50 sind. Wann immer möglich, präsentieren wir in diesem Aufsatz mit den S-Werten und Umsätzen wie auch mit den ee-Werten der zurückge-wonnen Ausgangsverbindungen und der Produkte alle wichtigen Daten zur Beschreibung der entsprechenden kinetischen Racematspaltung.…”
Section: Enantioselektiver Acyltransfer Auf Alkohole Amine Und Thioleunclassified
“…[9] Apparently, the initially formed oxazaborolidine-complexed alkoxyborane is a more selective catalyst than 6·BH 3 . [10] We could demonstrate that the selectivity (S), [11] increases from about 13 to 17 when the reduction is performed in the presence of 10% of (Ϫ)-7 [54% conv. : (ϩ)-5: 85% ee] and that it decreases to about 5 when using (ϩ)-7 [61% conv.…”
Section: In View Of the Growing Interest And Research Activities Devomentioning
confidence: 99%
“…(1RS,3R)-3-Methyl-5-cyclopentadecyn-1-ol: [11] A solution of NaBH 4 (382 mg, 10.0 mmol) in H 2 O (5 mL) and 5% NaOH (0.1 mL) was added whilst stirring to a solution of (R)- 10 (1.96 g, 8.38 mmol) in MeOH (30 mL). After 2 h, the reaction mixture was partially concentrated, treated with diethyl ether (50 mL) and poured into 5% HCl (50 mL).…”
Section: (؊)-(R)-muscone [(؊)-(R)-3] From (؎)-(R)-10 (Scheme 3)mentioning
confidence: 99%