Caldensinic acid, a benzoic acid derivative and others compounds from Piper carniconnectivum

Abstract

A benzoic acid derivative - caldensinic acid; E-phytyl hexadecanoate; β-sitosterol and stigmasterol mixture and phaeophytin a were isolated from the aerial parts of Piper carniconnectivum. The structures of these compounds were established unambiguously by IR, MS, 1D and 2D NMR analysis.

Keywords

• 3,4-dihydroxy-5-(11'-carboxyl-3',7',15'-trimethylhexadeca-2'E, 6'E, 10'E, 14-tetraenyl) benzoic acid
• E-phytyl hexadecanoate
• phaeophytin a