2002
DOI: 10.1016/s1631-0748(02)01417-0
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Total synthesis of asymmetric flavonoids: the development and applications of 13C-labelling

Abstract: This article compiles our results in the field of flavonoid chemistry with the aim to synthesise isotopically labelled products. Two strategies (C 6 + C 3 -C 6 vs C 6 -C 2 + C 1 -C 6 ) and some organometallic (Pd 0 , Mo IV ) couplings were explored to build the C 6 -C 3 -C 6 flavonoid skeleton. Following this work, the gram scale has been reached in addition to the asymmetry of the targeted natural flavan-3-ols, i.e. (+)-catechin, (-)-epicatechin, and (-)-procyanidin B3. These characteristics were necessary in… Show more

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Cited by 6 publications
(2 citation statements)
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“…Considerable effort was dedicated to the synthesis of 13 Clabelled catechin and epicatechin by the group of J. Vercauteren [30]. 13 C-labelled (±)-catechin was synthesized in ten steps starting from K 13 CN (Scheme 6).…”
Section: C-labelled Flavan-3-ols and Flavan-34-diolsmentioning
confidence: 99%
“…Considerable effort was dedicated to the synthesis of 13 Clabelled catechin and epicatechin by the group of J. Vercauteren [30]. 13 C-labelled (±)-catechin was synthesized in ten steps starting from K 13 CN (Scheme 6).…”
Section: C-labelled Flavan-3-ols and Flavan-34-diolsmentioning
confidence: 99%
“…Acylation of 1,3,5-tribenzyloxybenzene with 3,4-dibenzyloxy-cinnamic-[carbonyl- 13 C] acid yielded the desired chalcone when it is forward processed to (7)-catechin-[4-13 C] as described in Figure 13. Labeled flavanoids have also been prepared using C-13 labeled acetic acid Nay et al, 2001Nay et al, , 2002 (Fig. 13).…”
Section: Synthesis Of Tea Flavanoidsmentioning
confidence: 99%