1966
DOI: 10.1016/0040-4020(66)80132-1
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The absolute configuration of thujane

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1966
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Cited by 31 publications
(16 citation statements)
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“…Because the 3-hydroxyl only in the cis isomer is close through space proximity to the C-6 CH2 group, the corresponding protons are shifted significantly to low field in the 1 H NMR spectrum (cis, 0.65 ppm for 6a and 0.57 ppm for 6b; trans, 1.08 ppm for 6a and 0.85 ppm for 6b). The assignment agrees with data published by Ohloff et al (1966) and Mamane et al (2004). (+)-cis-Sabinol structure was determined by 1 H and 13 C NMR.…”
Section: Assignment Of (+)-Sabinol Stereochemistrysupporting
confidence: 78%
“…Because the 3-hydroxyl only in the cis isomer is close through space proximity to the C-6 CH2 group, the corresponding protons are shifted significantly to low field in the 1 H NMR spectrum (cis, 0.65 ppm for 6a and 0.57 ppm for 6b; trans, 1.08 ppm for 6a and 0.85 ppm for 6b). The assignment agrees with data published by Ohloff et al (1966) and Mamane et al (2004). (+)-cis-Sabinol structure was determined by 1 H and 13 C NMR.…”
Section: Assignment Of (+)-Sabinol Stereochemistrysupporting
confidence: 78%
“…1). It should be noted that (À)-sabina ketone 4 is known to possess the (1R,5S) absolute configuration as elucidated by many people 14 including Ohloff et al 15 The two diastereomers of ketone 2 were converted to the two diastereomers of (2Z,6R)-1 according to the previously reported The overall yield of (2Z,6R,1 0 S,5 0 S)-1 was 3.3% (17 steps) based on Table 1 Lipase-catalyzed asymmetric acetylation of diastereomeric (6R)-3 a,b…”
Section: Resultsmentioning
confidence: 98%
“…1 (Mitte) abgebildet. Rei hohen Feldstarken beobachtet man ein Multiplett (2 H) fur die beiden Cyclopropan-Methylenprotonen an C (6), deren Absorption sich von 0,12 ppm-0,31 ppm erstreckt. Das Cyclopropan-Methinproton an C(5) liefert ein Quartett (1 H) mit Zentrum bei 0,73 ppm.…”
unclassified
“…Hinsichtlich der Bezifferung und der stereochemischen Darstellung der Thujan-Formeln I beziehen wir uns auf die bereits zitierte Arbeit von OHLOFF et al [6], in welcher der Cyclopropannng oberhalb der Papierebene gezeichnet ist. Ferner unterscheiden wir in der ublichen Weise Protonen oberhalb und unterhalb einer hypothetischen mittleren Molekelebene als j3bzw.…”
unclassified
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