Total Synthesis of Eustifolines A−D and Glycomaurrol via a Divergent Diels−Alder Strategy
作者:Terry P. Lebold、Michael A. Kerr
DOI:10.1021/ol070381m
日期:2007.5.1
The Diels-Alder reaction between a quinone monoimine and cyclicdiene allows for the construction of substituted carbazoles in a regiospecific manner. This methodology has sucessfully been employed in a divergent strategy, culminating in the synthesis of eustifolines A-D and glycomaurrol.
Expression of metastatic suppressor maspin is lost in advanced prostate cancer. Clinically relevant mutations in androgen receptor (AR) convert antiandrogens into AR agonists, promoting prostate tumor growth. We discovered tanshinone IIA (TS-IIA) is a potent antagonist of mutated ARs and induces maspin expression through AR. TS-IIA suppressed AR expression and induced apoptosis in LNCaP cells. Syntheses of TS-IIA derivatives (1-9) revealed that the 4,4-dimethyl group at ring A is important for TS-IIA's antiandrogenic and maspin induction activities.
Vig,O.P. et al., Journal of the Indian Chemical Society, 1970, vol. 47, p. 359 - 363
作者:Vig,O.P. et al.
DOI:——
日期:——
QUIN, L. D.;MAC, DIARMID, J. E., J. ORG. CHEM., 1982, 47, N 17, 3248-3254