Project supported by the National Natural Science Foundation 0f China (Nos. 20025207, 20272071, 20372075, 20321202, 20672129, and 20621062), and the Chinese Academy of Sciences (Nos. NKGCX2-SW-209 and KJCX2.YW.H08).
Synthesis of a new spiro organic peroxide is described. The peroxy bonds were incorporated into the substrate framework via an acid-catalyzed ketal exchange reaction using hydrogen peroxide as the source of peroxy lin...
Project supported by the National Natural Science Foundation of China (Nos. 20025207, 20272071, 20372075, 20321202, 20672129, 20621062), and the Chinese Academy of Sciences (Nos. NKGCX2-SW-209, KJCX2.YW.H08).
Synthesis of 15-demethyl brefeldin A and its 7-epimer is detailed. X-ray crystallographic structure for 15-demethyl brefeldin A is also disclosed.
Project supported by the National Natural Science Foundation of China (Nos. 20425205, 20321202) and the Shanghai Municipal Commission of Science and Technology (Nos. 04DZ 14901, 06QH 14016).
O,O'Diethyl acetals were prepared in high yields under mild conditions via the reaction of triethyl orthoformate with aldehydes and ketones in absolute ethanol in the presence of as low as 0.1 tool% of Yb(OTf)3. Us...
Project supported by the Natural Science Foundation of China (Nos. 20425205, 20321202), Chinese Academy of Sciences (No. KGCX2-SW-209) and Shanghai Municipal Commission of Science and Technology (No. 04DZ14901).
A short and efficient synthesis of the selective human N-methyl-D-aspartate (NMDA) receptor 2A (NR2A) antagonist NVP-AAM077 is described. The target was achieved in 8 steps and in 54% overall yield from the commer...
Project supported by the National Natural Science Foundation of China (Nos. 20025207. 20272071, 20372075 and 20321202) and the Chinese Academy of Sciences (No. KGCX2-SW-209). Dedicated to Professor Xikui Jiang on the occasion of his 80th birthday.
Synthesis of five simple analogues of peroxyplakoric acid by using Kobayashi's method to construct the key 1,2-dioxane core is detailed.
Project supported by the National Natural Science Foundation of China (Nos. 20025207, 20272071, 20372075, 20321202) and the Chinese Academy of Sciences (No. KGCX2-SW-209). Dedicated to Professor Xikui Jiang on the occasion of his 80th birthday.
Synthesis of a nitro analogue of plakoric acid is presented. The peroxy bond was incorporated into the substrate structure through a boron trifluoride etherate catalyzed methoxy-hydroperoxy group partial exchange reac...
Project supported by the National Natural Science Foundation of China (Nos. 20025207, 20272071, 20372075, 20321202), the Chinese Academy ot Sciences (“Knowledge Innovation”project, KGCX2-SW-209), and the Major State Basic Research Development Program (No. G2000077502) of China.
Several simple analogues of peroxyplakoric acid were synthesized by using Kobayashi's method to construct the key 1,2-dioxane core and tested in vitro for antimalarial activity. The scope and limitation of the method...
Project supported by the National Natural Science Foundation of China (Nos. 20025207, 20272071, 20372075 and 20321202), the Kn6wledge Innovation Project of the Chinese Academy of Sciences (No. KGCX2-SW-209), and the Major State Basic Research Development Program (No. G2000077502).
N-Acyl-β-hydroxy-4-phenyl-oxazolidinethiones could be rapidly converted into their ethyl thiol esters in high yields by treatment with EtSH at 0 ℃ in CH3CN or 9 : 1 (V : V) THF-H2O in the presence of a catalytic...
Project supported by the National Natural Science Foundation of China (Nos. 20025207, 20272071, 20372075, 20321202), the Chinese Academy of Sciences (Knowledge Innovation Project, No. KGCX2-SW-209), and the Major State Basic Research Development Program (No. G2000077502).
Blastmycinone, a degradation product of the antibiotic antimycin A, was synthesized with a TiCl4-mediated asymmetric aldolization as the key step. Some unexpected yet interesting chemistry was also observed.