Bryophyte Constituents; 7: New Synthesis of (+)-Rosmarinic Acid and Related Compounds

Identification of rosmarinic acid as the major active constituent in Cordia americana

“…Identification was based on LC-ESI-MS and NMR ( 1 H NMR and 13 C NMR) and data agreed with the literature (Lu and Foo, 1999). Additionally, 3-(3,4-dihydroxyphenyl)-2-hydroxypropanoic acid (2), known as danshensu, was isolated and identified by EI-MS and NMR ( 1 H NMR and 13 C NMR) and agreed with the literature (Mehrabani et al, 2005;Eicher et al, 1996). The occurrence of rutin (3) was proven by LC-ESI-MS in direct comparison with a standard.…”

New N4-substituted piperazine naphthamide derivatives as BACE-1 inhibitors

“…It should be underlined that the corresponding 4 0 ,4-diallyloxybenzoic acid was obtained through a methodology reported by Eicher et al [10] …”

Synthesis and Characterisation of Terminal Carbohydrate Modified Poly(dimethylsiloxane)s

“…4 linked linear oligo-or polysaccharide, thus giving access to amphiphilic triblock copolymers after hydrosilylation. The substituted benzaldehyde was prepared according to the literature, [20] the acetalisation carried out using standard conditions. [21] The following hydrosilylation step could be carried out quantitatively.…”