1947
DOI: 10.1002/hlca.19470300637
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Zur Kenntnis des Kohlenstoffringes. Ein Herstellungsverfahren für vielgliedrige Cyclanone

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Cited by 112 publications
(14 citation statements)
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“…Originally musks were divided into four groups: nitro musks such as moskene obtained by Albert Baur in 1888, macrocyclic musks such as muscone [33] and egzaltolide, [34] with one ring functionalized mainly with keto or ester groups as the core of the compound, polycyclic musks such as galaxolide, [35] made up of several smaller rings connected to each other,and, finally,a cyclic otherwise knowna sc ycloalkyl ester or linear musks [36] fore xample, helvetolide .F rom these four different groupso fc ompounds, only the macrocyclic musks-identical to those derived from naturallyo ccurring musks, such as civetone or ambergris-have been used in fragrance formulations for the longest time. Because of the high dilutions, the methodw as impractical in the industry.T oc ircumvent this problem Prelog [39] and Stoll [40,41] independently discovered applicationso fa cyloin condensation in the production of macrocycles. [37] Due to ah uge interesta nd great demand for natural Macrocyclic musk belongs to aw ell-known and valued class of the fragrancef amily.O riginally,n atural musks were obtained from rectal musk glandsw hich often led to the death of the animals.…”
Section: Introductionmentioning
confidence: 99%
“…Originally musks were divided into four groups: nitro musks such as moskene obtained by Albert Baur in 1888, macrocyclic musks such as muscone [33] and egzaltolide, [34] with one ring functionalized mainly with keto or ester groups as the core of the compound, polycyclic musks such as galaxolide, [35] made up of several smaller rings connected to each other,and, finally,a cyclic otherwise knowna sc ycloalkyl ester or linear musks [36] fore xample, helvetolide .F rom these four different groupso fc ompounds, only the macrocyclic musks-identical to those derived from naturallyo ccurring musks, such as civetone or ambergris-have been used in fragrance formulations for the longest time. Because of the high dilutions, the methodw as impractical in the industry.T oc ircumvent this problem Prelog [39] and Stoll [40,41] independently discovered applicationso fa cyloin condensation in the production of macrocycles. [37] Due to ah uge interesta nd great demand for natural Macrocyclic musk belongs to aw ell-known and valued class of the fragrancef amily.O riginally,n atural musks were obtained from rectal musk glandsw hich often led to the death of the animals.…”
Section: Introductionmentioning
confidence: 99%
“…Auf eine wesentliche Verbesserung der Exalton-Synthese musste man bis 1947 warten, als Vladimiv Prelog [257] und Max Stoll [258] unabhangig voneinander die Acyloin-Kondensation von langkettigen CI,O -Dicarbonsaure-estern zur Herstellung macrocyclischer Ketone nutzbar machen (Fig. 59 und 60), die in der Folge als Stoll-Hansley-Prelog-Verfahren in die Literatur eingehen sollte.…”
Section: Mosclius-tierunclassified
“…However, Prelog, et ?1. (62), and Stoll, Hulstkamp and Rouvl (75,76) prepared 1,2-cyclodecanedione in connection with the synthesis of cyclodecan-l-ol-2-one. This latter coopound was prepared by the intramolecular condensation of the diethyl ester of decanedioic acid with sodium in an inert solvent and nitrogen atmosphere.…”
Section: Isc-230mentioning
confidence: 99%
“…A method for the preparation of cyclodecan-1-ol-2-one (sebacoin is described by Stoll and Hulstkamp (75) and dtoll and Rouv~ (76). A procedure which is similar but lacks sufficient detail and conciseness is described by Prelog, frenkiel, Kobelt and Barman (62). The preparation of this compound was carried out as follows:…”
Section: 2-cyclodecanedionedioximementioning
confidence: 99%