Among the topics are organic building blocks for molecular engineering, the design and synthesis of organic molecules for molecular electronics, molecular storage systems for solar thermal energy storage and conversion, strategies to switch fluorescence with photochromic oxazines
, recognizing carbohydrates, the synthesis and function of cyclodextrin-based artificial enzymes, and dendrimers in biology and nanomedicine.
Antimalarial dyes revisited: Xanthenes, Azines, Oxazines
, and Thiazines.
Additionally, the polymerization of N-allyl groups at lower temperature (17) before the ring-opening polymerization of oxazines
lead to a mild crosslinking state which would affect the mobility of reaction functional groups, which also could resulted in a higher E.
1] can be clearly observed, which is due to the asymmetric stretching of C-O-C in the oxazine
ring of BA-aptms monomer.
It is believed that the amide linkage formed before the oxazine
ring-opening will lead to polybenzoxazine/PU copolymer of different structure and properties, which is also prerequisite to further understand the effect of the terminal groups of HBP on the thermal-mechanical performance of the novel [HPU.
According to Wang and Ishida 2000, the polymerization occurred at oxazine
structure via ring opening influence by distortion of its semichair structure above and below benzene ring plane.
1), the characteristic resonances of oxazine
ring at 3.
1], which are assigned to the symmetric and asymmetric stretching of C--N--C asymmetric stretching of C--N--C of the oxazine
1] assigned to C--O--C stretching mode of oxazine
ring whereas the band around 1497 [cm.
1)HNMR spectroscopy was helpful in assigning the methylene units, which are characteristic of aromatic oxazine
This implies that the gelation process of these binary mixtures was controlled mainly by the ring-opening polymerization of the oxazine
ring in both three monomers thus resulting in the similar [DELTA] E values.
1], which is the benzene ring mode with oxazine
ring (25), (26), and 1230 [cm.