Cancer is a multistage process resulting in an uncontrolled and abrupt division of cells and
is one of the leading causes of mortality. The cases reported and the predictions for the near …

Betulin (B) and Betulinic acid (BA) are natural pentacyclic lupane-structure triterpenoids
which possess a wide range of pharmacological activities. Recent evidence indicates that B …

Covering: 1995 to 2006 This review will detail progress made in the previous decade on the
chemistry and bioactivity of birch bark extractive products. Current and future applications of …

Betulinic acid (BA) is a lupane‐type pentacyclic triterpene, distributed ubiquitously
throughout the plant kingdom. BA and its derivatives demonstrate multiple bioactivities …

Medicinal fungi are beneficial to human health and it reduces the risk of chronic diseases.
Triterpenoids are polycyclic compounds derived from the straight-chain hydrocarbon …

The weak hydrosolubility of betulinic acid (3) hampers the clinical development of this
natural anticancer agent. In order to circumvent this problem and to enhance the …

Germanicane-type triterpenes allobetulin (3) and 28-oxoallobetulin (4) can be obtained by
the Wagner-Meerwein rearrangement of the more available lupane-type triterpenes betulin …

Betulinic acid (BA) is a pentacyclic triterpene compound, which can be obtained by
separation, chemical synthesis and biotransformation. BA has excellent biological activities …

Natural products are also called secondary metabolites to distinguish them from the primary
metabolites, ie those natural compounds like glucose, amino acids, etc. that are present in …

A new synthetic route for the synthesis of betulinic acid from betulin has been developed.
The main step of this procedure is the selective oxidation of the primary alcohol function of …