1948
DOI: 10.1002/hlca.19480310609
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Über einige, den Cumaranring enthaltende Tocole

Abstract: Volumen xxxr, Fasciculus VI (1948). 1505sulfoxyd-n-butylamin. Das aus dem L-4-Methyl-sulfoxyd-n-butylamin erhaltene Harnstoffderivat erwies sich mit dem aus naturlichem Sulforaphen gewonnenen analogen Produkt in jeder Hinsicht identisch.Fur die Konfiguration des linksdrehendea Sulforaphens und fur diejenige aller mit ihm in der Konfiguration der Sulfoxydgruppe sterisch ubereinstimmenden Derivate wird die Bezeichnung L-Konfiguration vorgeschlagen.Als die Erforschung der Konstitution der Tocopherole in ihren Anf… Show more

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Cited by 9 publications
(6 citation statements)
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“…(The synthesis of this acetate by a different route was reported in 1948 but no supporting evidence (not even analysis for C and H) for its identity was provided [6]. Possibly the material did not have the ascribed structure since it was said to possess only a weak vitamin E activity [6].…”
Section: Methodsmentioning
confidence: 99%
“…(The synthesis of this acetate by a different route was reported in 1948 but no supporting evidence (not even analysis for C and H) for its identity was provided [6]. Possibly the material did not have the ascribed structure since it was said to possess only a weak vitamin E activity [6].…”
Section: Methodsmentioning
confidence: 99%
“…Figure demonstrates the effect of uncertainty in vapor pressure on T b 2kPa , and shows that uncertainties of 10% and 25% in vapor pressures result in uncertainties in 2 and 6 K in T b 2kPa , respectively. Figure (MOH16-7) and Figure (GOH16-L) are analogous to Figure and show that the uncertainties in the experimental vapor pressures are likely to be larger for the other hexadecanol isomers in the database and that data choices need to be made; in this case the data point from Karrer, et al has been ignored. In this work, we have used our best judgment and experience as applied thermodynamicists and feel that the values for T b 2kPa reported in Table are mostly reliable to 6 K (expanded uncertainty, or approximately 95% coverage).…”
Section: Analysis Of Experimental Datamentioning
confidence: 95%
“…Figure 5. Comparison of modified Trouton fit to the data of Smith, 44 Karrer, 46 and Sato 45 for GOH16-L. Note that the data point from Karrer 46 has been ignored.…”
Section: ■ Analysis Of Experimental Datamentioning
confidence: 99%
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“…The crude product was purified by chromatography on SiO 2 (hexane/EtOAc 30:1 to 12:1) to afford nor-a-tocopherol (12, 19 (s, 1 H), 3.82 (m, 1 H), 2.65 (m, 2 H), 2.16 (s, 3 H), 2.13 (s, 3 H), 2.10 (s, 3 H), 2.00 (m, 1 H), 1.0-1.75 (m, 19 H) Preparation of 27: The alcohol 27 was prepared from phytol 25; [19,20] a different synthesis of racemic 27 has been reported previously. [26] …”
Section: Preparation Of 23mentioning
confidence: 97%