Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 23981-47-7, Name is 2-(6-Methoxynaphthalen-2-yl)acetic acid, molecular formula is C13H12O3. In an article, author is Etinski, Mihajlo,once mentioned of 23981-47-7, Category: phthalazines.
Quinazoline, quinoxaline and phthalazine are nitrogen containing heterocyclic aromatic molecules which belong to the class diazanaphthalenes. These isomers have low-lying n pi(star) and naphthalene-like pi pi(star) states that interact via spin-orbit coupling. In this contribution, we study their structure and electronic states by means of a coupled-cluster method. The computed properties are compared to those of cinnoline which were obtained in our previous study [Etinski et al., Phys. Chem. Chem. Phys., 2014, 16, 4740]. The excited state features of these isomers are dependent on the position of the nitrogen atoms. We find that quinazoline and quinoxaline exhibit similarities in the ordering and character of the excited states. In contrast, a marked difference in the electronic and geometric structures of the lowest excited triplet states of cinnoline and phthalazine is noticed, although both are orthodiazanaphthalenes. Our findings suggest that the S-1 (sic) T-1 channel is responsible for the rapid intersystem crossing in quinazoline and quinoxaline, whereas the S-1 (sic) T-2 pathway is active in phthalazine.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem