Differences in chemical constituents of poplar varieties with different anti-rust resistances was written by Zhu, Jingfang;Zhou, Yongbin. And the article was included in Dongbei Linye Daxue Xuebao in 2012.Name: 5-Phenylthiazole This article mentions the following:
An experiment was conducted to study the differences in fat soluble constituents in six poplar clones with different antirust resistances by ultrasonic extraction technique with petroleum ether and GC-MS anal. in order to shorten the breeding time. The six poplar clones were I108, 03-04-170, 03-04-141, 03-04-111, N177 and N195. Results show that the differences in fat soluble constituents are significant in the buds of poplar with different anti-rust resistances. The buds of N195 and N177 which resist poplar rust well contain such endemic elements as α-Caryophyllene, α-Bisabolol, and Me arachidate. Cinnamic acid, 4-Cyanophenyl-propylbenzoate, 9-Phenanthrol, Chlorodiphenylmethane, retinaldehyde, and p-Hydroxy-cinnamic acid only exist in N195, while α-cadinol, 2-Phenethyl octanoate, 9-Aminoacridine, and 1-Docosanol only exist in N177. Therefore, the differences in fat soluble constituents in poplar buds may determine the rust resistance in poplar. In the experiment, the researchers used many compounds, for example, 5-Phenylthiazole (cas: 1826-13-7Name: 5-Phenylthiazole).
5-Phenylthiazole (cas: 1826-13-7) belongs to thiazole derivatives. Thiazole rings are planar and aromatic. Thiazoles are characterized by larger pi-electron delocalization than the corresponding oxazoles and have therefore greater aromaticity. The pyridine-type nitrogen in the thiazole ring deactivates the ring for electrophilic substitution reactions, which is further reduced in acid due to protonation of the thiazole ring.Name: 5-Phenylthiazole
Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica