Abstract
從七種臺灣產胡椒屬植物單離之成分，經各種光譜分析與化學方法鑑定其構造式如下：1.蘭嶼風藤(Piper arborscens Roxb.)：葉部成分5,6-dihydro-2(1H)-pyridone(Pabl-1),N-(3,4,5-trimethoxycinnamoyl)-5,6-dihy-dro-2(1H)-pyridone(Pabl-2),N-(3,4,5-trimethoxy-cis-cinnamoyl)-5,6-dihydro-2(1H)-pyridone(Pabl-3),N-(3,4,5-trimethoxyhydrocinnamoyl)-5,6-dihydro-2(1H)-pyridone(Pabl-4),N-(3,4-dimethoxyhydrocinnamoyl)-5,6-dihydro-2(1H)-pyri-done(Pabl-6),N-(3,4,5-trmethoxyhydrocinnamoyl)-5,6-dihydro-2(1H)-pyridone(Pabl-7),piplartine-dimerA(Pabl-8),piperarboresine(Pabl-9),methyl 3,4,5-tr-imethoxycinnamate(Pabl-10),methyl 3,4,5-trimethoxy-cis-cinnamate(Pabl-11),methyl 3,4-dimethoxycinnamate(Pabl-12),methyl 3,4,5-trimethoxyhydrocinnam-ate(Pabl-13),methyl 3,4-methylenedioxyhydro-5-methoxyhydrocinnamate(Pabl-14),methyl 3,4-dimethoxyhydrocinnamate(Pabl-15),piperarborin A(Pabl-16),pi-perarborin B(Pabl-17),diayangambin(Pabl-18),episesartemin A(Pabl-19)。2.薄葉風藤 (Piper arboricola DC.):全草成分N-(2E,4E,7-(3,4-methylenedioxyphenyl)heptadienoyl)piperidine(Parw-1),sesa-min(Parw-2)3.老藤 (Piper betle L.)：safrole Ppbef-1),eugenol(Pbef-2,Pbel-2,Pbel-7),3-methoxyeugenol(Pbef-3,Pb-es-8),allylpyrocatechol(pbef-4,pbel-1,pbes-1),dihydroxysafrole(Pbef-5),or-ientin 2〝-ο-α-L-rhamnoside(Pbef-6,Pbel-4,Pbes-6),campesterol accetate,stigmasterol acetate,β-sitosterol acetate混晶(Pbel-3),N-formyl-1,2,3-tri-methoxydehydronoraprophine(Pbel-5),3,4-dihydroxybenzaldehyde(Pbes-2),1-(3,4-dihydroxyphenyl)propanone(Pbes-3),5-hydroxymethyl)-2-furaldehyde(Pbes-4),succinic acid(pbes-5),phytol acetate(pbes-9)。4.風藤 (Piper kadsura (Choisy)Ohwi):全草成分retrofractamide A(Pkaw-1),retrofractamide C(Pkaw-2),futoamide(Pkaw-3),pip-erlongu-minine(Pkaw-4)。5.恆春風藤 (Piper kawakamii Hayata):葉部成分5,6-dihydro-2(1H)-pyridone(Pkwl-1),methyl hydrocinnamate(Pkwl1-2),N-hydro-cinnamoyl-5,6-dihydro-2(1H)-pyridone(Pkwl-3),phytol(Pkwl-4),△α,β-hydro-piperine(Pkwl-5),piperine(Pkwl-6),N-isobutyl-[2E,4E,12E,13-(3,4-methylene-dioxyphenyl)]-tridecatrienamide(Pkwl-7),N-formylnornuciferine(Pkwl-8),4',7-di-ο-methyl apigenin 8-glucosyl 6〝-ο-β-D-glucoside(Pkwl-11) 。6.綠島風藤 (Piper kwashoense Hayata)：葉部成分(2R,3R)-2-(3-methoxy-4-hydroxybenzyl)-3-(3,4-dihydroxybenzyl)butyrolactone(Pksl-1),4',7-di-ο-methyl apigenin 8-glucosyl 6〝-ο-β-D-glucoside(Pksl-2)。7.臺灣胡椒 (Piper subpeltatum Willd)：莖部成分phytol(Psus-1),sesamin(Psus-2),5-hydroxymethyl)-2-furaldehyde(Psus-3),vit-exin 2〝-ο-β-D-glucoside(Psus-4)。以上分離得到的50種成分中，化合物 (Pabl-1，-3，-4，-5，-6，-7，-9，-11，-14，-16，-17，Parw-1，Pbef-5，Pbel-3，-5，Pbes-9，Pkwl-3，-8，-9，-10，-11，Pksl-1) 共22種成分為首次從自然界分離得到，其中除Pbel-3和Pbes-9外，有20種為新化合物。注：上述化合物之代號，前一字表示屬名 Piper之縮寫，第二，三字表示種名的縮寫，第四字表示植物部位來源的縮寫，如w:全草，l:葉部，S:莖，F:果穗。