isolated from the New Zealand marine sponge Hamigera tarangaensis. Among the new additions are hamigeran R (1), considered to be the first benzonitrile-based marine natural product, and hamigeran S (2), the first dimeric structure in the series. The formation of 1 and 2 is thought to occur via the reaction of hamigeran G with a nitrogen source, where the nitrile carbon of 1 is derived from the terpenoid
                                    从新西兰海洋海绵Hamigera tarangaensis中分离到了双
萜类的汉密兰家族的七个新成员。在新添加的产品中,有被认为是第一个基于
苯甲腈的海洋
天然产物hamigeran R(1)和该系列中的第一个二聚体结构hamigeran S(2)。1和2的形成被认为是通过人链球菌聚糖G与氮源的反应而发生的,其中1的腈碳源自
萜类骨架。