Structures of a New Dihydroxanthone Derivative, Nidulalin A, and a New Benzophenone Derivative, Nidulalin B, from Emericella nidulans.
摘要:
从Emericella nidulans var. lata水稻培养物提取物中分离出两种新化合物,分别命名为nidulalins A (1)和B (2),以及emestrin和sterigmatocystin。通过化学和光谱研究、X射线晶体学研究和改良的Mosher法,确定了nidulalins A (1)和B (2)的结构。