Structure Elucidation of a Pungent Compound in Black Cardamom: Amomum tsao-ko Crevost et Lemarié (Zingiberaceae)
作者:Christian Starkenmann、Fabienne Mayenzet、Robert Brauchli、Laurent Wunsche、Christian Vial
DOI:10.1021/jf072707b
日期:2007.12.1
The Wittig conditions were determined to control the stereochemistry of the ring fusion to prepare (+/-)-trans-(2,3,3a,7a-tetrahydro-1 H-inden-4-yl) methanol and (+/-)-cis-(2,3,3a,7a-tetrahydro-1H-inden-4-yl) methanol. After oxidation, (+/-)-trans-2,3,3a,7a-tetrahydro-1H-indene-4-carbaldehyde and (+/-)-cis-2,3,3a,7a-tetrahydro-1H-indene-4-carbaldehyde were tasted in water and only the trans-2,3,3a,7
含有味觉调节剂化合物的天然植物提取物将在未来获得更多的商业兴趣。黑豆蔻,砂仁木克雷沃斯特和勒马里,在亚洲用作香料,在口中产生令人耳目一新的效果。因此,制备了乙酸乙酯提取物,并通过液相色谱法分离了成分。通过品尝每个馏分(LC品尝),发现了一种新的刺激性化合物,(+/-)-反式-2,3,3a,7a-四氢-1H-茚满-4-甲醛。为了证实这种新结构,从环戊烯-1-甲醛开始进行了合成。确定Wittig条件以控制环融合的立体化学以制备(+/-)-反式-(2,3,3a,7a-四氢-1 H-茚满-4-基)甲醇和(+/-) -顺-(2,3,3a,7a-四氢-1H-茚满-4-基)甲醇。氧化后(+/-)-trans-2,3,3a,