D20 -91° (c = 1.4 in chloroform); D20 -63° (c = 1.5 in pyridine); D20 -57° (ethanol)
solubility
Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form
Powder
pka
pKa in 80% methyl cellosolve 5.80; in 1:1 DMF-water 6.8(at 25℃)
Usage And Synthesis
Occurrence
A pyrrolizidine alkaloid, heterophylline occurs in both Parsonia heterophylla A. Cun. and
P. spiralis Wall. It forms colourless needles when crystallized from C6H6H6.
Definition
ChEBI: Aricine is a yohimban alkaloid and a methyl ester.
