1955
DOI: 10.1002/ange.19550670915
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Partialsynthese einer „trans”︁‐Vitamin D2‐Verbindung mit Hilfe der Reaktion von Wittig

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Cited by 28 publications
(6 citation statements)
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“…The Braunschweig chemists would have failed, just like all their predecessors, in the installation of the exocyclic methylene group on the future ring A had they not had the good fortune of being able to apply the just published Wittig reaction for their purposes. [76] Once the total synthesis of vitamin D 3 had been achieved, Inhoffen confirmed retrospectively that without the Wittig reaction there would have been no complete vitamin D synthesis before us today. [77] The meaningfulness of this statement is made all the clearer if account is taken of the fact that the Wittig reaction was used three times in total during the Braunschweig vitamin D 3 synthesis.…”
Section: Scheme 13mentioning
confidence: 70%
“…The Braunschweig chemists would have failed, just like all their predecessors, in the installation of the exocyclic methylene group on the future ring A had they not had the good fortune of being able to apply the just published Wittig reaction for their purposes. [76] Once the total synthesis of vitamin D 3 had been achieved, Inhoffen confirmed retrospectively that without the Wittig reaction there would have been no complete vitamin D synthesis before us today. [77] The meaningfulness of this statement is made all the clearer if account is taken of the fact that the Wittig reaction was used three times in total during the Braunschweig vitamin D 3 synthesis.…”
Section: Scheme 13mentioning
confidence: 70%
“…Demzufolge nutzten Inhoffen et al schon kurz nach der ersten Publikation von Wittig und Schöllkopf die Wittig‐Reaktion in der Vitamin‐D‐Synthese (siehe Abbildung 1). 2…”
Section: Methodsunclassified
“…[2] For such useful, easily operational and more importantly being selective, George Wittig the discoverer of this methodology, was awarded the Nobel Prize in Chemistry in 1979. Interestingly, for its unique selectivity, almost immediately it was employed in the total synthesis of natural products, for instance used in one decisive and challenging step of the total synthesis of vitamin D. [11] Most strikingly, Wittig reaction rapidly revolutionized the chemical and especially pharmaceutical industries. As soon as well recognized, the Wittig reaction was employed in the industrial synthesis of vitamin A.…”
Section: Introductionmentioning
confidence: 99%