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US 9,809,584 B1Granted
Sulfur-containing oxazine compound and synthesis method thereof
AssigneeNational Tsing Hua University
InventorsYing-Ling Liu, Ho-Keng Lin
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Abstract
A synthesis method of a sulfur-containing oxazine compound is provided. First, an oxazine compound as a precursor and an elemental sulfur as a feedstock are provided. Then, the elemental sulfur reacts with the oxazine compound directly to form a sulfur-containing oxazine compound.
Claims12
A synthesis method of a sulfur-containing benzoxazine compound, comprising:
- providing a benzoxazine compound as a precursor and an elemental sulfur as a feedstock, wherein the benzoxazine compound comprises at least one reactive α-methylene (α-CH2) group connecting to an amino group of the benzoxazine;
- and
- reacting the elemental sulfur and the benzoxazine compound directly to form the sulfur-containing benzoxazine compound, wherein a reaction temperature of reacting the elemental sulfur and the benzoxazine compound directly is 115° C. to 300° C.
Dependencies are inferred from the claim text.