Four novel cyclic enaminones, designated RD4123A− D (1− 4), and a new 4-quinazolinone
metabolite, RD4123E (5), were isolated from the culture extract of an unidentified …

Chemical investigation of the fermentation products of a deep sea water-derived
actinomycete, Actinomadura sp. KD439, identified seven new angucyclinones, designated …

An acyldipeptide, micromonosporamide A, was isolated from the fermentation broth of
Micromonospora sp. MM609M-173N6 by bioassay-guided fractionation using a glutamine …

One new angucyclinone derivative, Kanglemycin N (1), and two new biogenetically related α-
Pyrones, nocapyrones UV (2–3), were isolated from a desert-derived Actinomycete …

Four quinazolinones, new naturally occurring 1 and three known derivatives 2–4, along with
previously synthesized 4-phenylbut-3-enamide (5) and three known compounds, 2 …

An earlier study on the marine ascidian Polysyncraton lithostrotum resulted in the isolation of
a potent antitumor compound, namenamicin. 1 Because of the remarkable similarity of its …

Methoxy-2-methyl-carbazole-1, 4-quinone (1) together with carbazomycins D (2) and F (3)
were isolated from the crude extract of Streptomyces CMU-JT005, an actinomycete with …

A detailed screening of the secondary metabolite pattern from Micromonospora sp. strain Tu
6368 resulted in the isolation of ten compounds belonging to five different structural families …

A new enteromycin-class antibiotic, akazaoxime (1), possessing an aldoxime functionality in
place of O-methyl nitronic acid, was isolated from the cultured extract of a marine-derived …

A detailed screening of the secondary metabolite pattern from Micromonospora sp. strain Tü
6368 resulted in the isolation of ten compounds belonging to five different structural families …