The roots of Sophora tonkinensis Gagnep., a traditional Chinese medicine, is known as
Shan Dou Gen in the Miao ethnopharmacy. A large number of previous studies have …

Abstract Two new isoflavones (1 and 2), as well as eight known ones were isolated from the
roots of Sophora tonkinensis Gagnep. Compound 1 represents an unprecedented …

Four new alkaloids (1–4) belonging to rare examples of bis-amide matrine-type were
isolated from the seeds of sophora alopecuroides. Their structures including absolute …

The synthesis of the originally proposed structure of (±)-nicotlactone A, a potent antiviral
lignan with three continuous chiral centers, is reported in 5 steps from methyl acrylate. The …

Abstract Two new (1 and 2) cytisine-type alkaloids that were chemically inseparable isomers
(present in a 1: 1 ratio) were identified from the seeds of Thermopsis lanceolata R. Br. Their …

NO. 2 3 4 5 6 7 8 9 10 2 8.06, s 8.37, s 8.45, s 8.49, s 8.40, s 8.38, s 5 8.05, d, 8.8 7.80, d, 9.2
6 6.37, d, 2.0 6.23, d, 2.0 7.15, dd, 2.4, 8.8 7.36, d, 9.2 6.44, d, 2.0 6.46, d, 2.4 6.17, d, 2.0 …

Cucumber mosaic virus (CMV) is a detrimental plant virus in agricultural production.
Traditionally, the half-leaf method using Nicotiana glutinosa has been used for screening …

A new methodology to access the quinolizidine skeleton in an asymmetric fashion was
devised. It involves two consecutive intramolecular aza-Michael reactions of sulfinyl amines …

Background: Sophora tonkinensis Gagnep is an important Chinese herbal medicine, with
alkaloids and flavonoids being the primary pharmacological substances. However …

Objective: Taking Guangxi Liupao tea as an example, an UPLC-MS/MS analysis method
with residual amounts of matrine and Oxymatrine was established. Methods: The prepared …