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2 - (2'-phenyl-propenyl) benzo e azole compounds ...

89 (2) 0.3 ● J (4) 8 (3) C230.634 (J) 0.352 (2) 0.2924 (S) 5.2 (3) 'Yuan said that the original characters are only scattered sales are to the same sex. & A 4 / 3 × [42 · B (1.】) + · B (2.21 + c ~ B (3,3) + Qu e (I a 2) + ccep · B (1-3) + ∞ · B (2-3)] - discussion (1) 2 - (2-a-phenyl-propenyl) benzo-azoles of the table to drink things through IR, HMR, and X-ray structure analysis, molecular structure of these compounds was confirmed , vinyl methyl and hydrogen in the trans position. Because the 3 on the hydrogen of ethylene were Beijia a 34 - base, phenyl (or substituted phenyl) benzo yl chewing replaced in the C-C double bond region bond angles change slightly in comparison with the normal. (2) According to the least squares plane, chewing miles of these molecules by the benzo group (plane 1), propylene (plane 2) and phenyl or substituted phenyl (plane 3) three planes. from the dihedral angle data shows (see Table 5), benzo yl drink allyl plane and the plane around as 9. angle, benzene and propylene as 34. folder angle, due to the presence of methyl-planarity of the molecule. Table 5 dihedral angle of Education,[link widoczny dla zalogowanych], according to (.) (3) the data read from the bond, C1 - C17 bond length of 1.463A, while the C2 - C21 bond length of 1.500A, that their conjugate plane and the role of vinyl size. from Karma thiazole ring in the bond length data shows that, cl6-0, C17-0 were 1.382A and 1.387A,[link widoczny dla zalogowanych], which is almost equal to { cl5 A N A N and c17, respectively I.408A and 1.299A,[link widoczny dla zalogowanych], C15 one N and cl6-0, cl7-0 bond length difference of about 0.02A, however. C17 were significantly longer than that of a N bond, which indicates that drinking thiazole ring degree of electron delocalization in the benzene ring as high, in which the electron density on the nitrogen atom larger.
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