%0 Generic
%A Zhang, Wenjun
%A Yang, Chunfang
%A Huang, Chunshuai
%A Zhang, Liping
%A Zhang, Haibo
%A Zhang, Qingbo
%A Yuan, Cheng-shan
%A Zhu, Yiguang
%A Zhang, Changsheng
%D 2017
%T Pyrazolofluostatins A–C, Pyrazole-Fused Benzo[a]fluorenes from South China Sea-Derived Micromonospora
rosaria SCSIO N160
%U https://acs.figshare.com/articles/dataset/Pyrazolofluostatins_A_C_Pyrazole-Fused_Benzo_i_a_i_fluorenes_from_South_China_Sea-Derived_i_Micromonospora_rosaria_i_SCSIO_N160/4541338
%R 10.1021/acs.orglett.6b03745.s002
%2 https://acs.figshare.com/ndownloader/files/7352548
%K fluorene
%K benzo
%K spectroscopic analyses
%K EC 50 48.6 μ M
%K antioxidation activity
%K South China Sea-derived Micromonospora rosaria SCSIO N 160.
%K South China Sea-Derived Micromonospora rosaria SCSIO N 160 Pyrazolofluostatins
%K carbon skeleton
%X Pyrazolofluostatins
A–C (1–3), three new benzo[a]fluorenes with an unprecedented
carbon skeleton, were obtained from the South China Sea-derived Micromonospora rosaria SCSIO N160. Their structures were
elucidated by extensive spectroscopic analyses. The structure of pyrazolofluostatin
A (1) was confirmed by X-ray crystallographic analysis.
Notably, 1–3 possessed a benzo[cd]indeno[2,1-f]indazol skeleton with a
pyrazole-fused 6/5/6/6/5 pentacyclic ring system. Pyrazolofluostatin
A (1) showed moderate antioxidation activity (EC50 48.6 μM).
%I ACS Publications