1979
DOI: 10.1055/s-0028-1097185
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A Comparative Study of the Acid and Ester Content of Tolu Balsam

Abstract: Commercial samples of Tolu Balsam have been analysed by gas-liquid chromatography and the aromatic acid and ester content compared with appropriate BPC standards. Modern samples show an increase in benzoic acid content, a decreased cinnamic acid content and the absence of benzyl cinnamate. Some samples were found to contain additional unreported constituents, namely, cinnamaldehyde and benzyl alcohol.

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Cited by 4 publications
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“…MS: 204(100, M C ' ) , 189 (83,5), 161 (96,7), 119 (61), 105(75,8),91 (S2,2), 41 (59.4). ( = (laR.4R.7 R,7aS,3,4,6,7,7~,azulen2); 7): 61. [a]:: = +42,0" (c = 0.2, Pentan).…”
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“…MS: 204(100, M C ' ) , 189 (83,5), 161 (96,7), 119 (61), 105(75,8),91 (S2,2), 41 (59.4). ( = (laR.4R.7 R,7aS,3,4,6,7,7~,azulen2); 7): 61. [a]:: = +42,0" (c = 0.2, Pentan).…”
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confidence: 99%
“…70 (1987) Wie fur vinylische Protonen in einem Funfring-Fragment zu erwarten [12], kommt dieses Proton in 7 bei 5,25 ppm zur Resonanz und weist nur kleine Kopplungskonstanten auf. Aufgrund der Kopplungskonstanten von 10 Hz zwischen H-C (5) und H-C (6) ist H-C(5) 8-standig. Die Protonen an den Asymmetriezentren C(4) und C(10) erscheinen bei 2,35 ppm und im Bereich von 2,07-1,97 ppm, in dem sich vier Protonenfrequenzen uberlagern.…”
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