10526-07-5Relevant articles and documents
Method for synthesizing 1,3-bis(3-aminophenoxy)benzene
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Paragraph 0032; 0033, (2019/07/16)
The invention discloses a method for synthesizing 1,3-bis(3-aminophenoxy)benzene, and belongs to the field of organic compound synthesis. The method comprises the following steps: carrying out water separation on m-dinitrobenzene used as a raw material in a mixed solvent, adding anhydrous potassium carbonate, dropwise adding a resorcinol solution under the protection of nitrogen to obtain an intermediate 1,3-bis(3-nitrophenoxy)benzene, and hydrogenating the intermediate to obtain the target product 1,3-bis(3-aminophenoxy)benzene. The target product 1,3-bis(3 aminophenoxy)benzene obtained in the invention has a purity of 99% or above, a white to an off-white color and a total yield of 80% or above. Compared with existing synthesis methods, the synthesis method in the invention has the advantages of easy availability of raw materials, no catalyst, low cost, high economical property, and easiness in realizing industrialized production.
Functionalized Photoreactive Compounds
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, (2008/12/08)
The present invention concerns functionalized photoreactive compounds of formula (I), that are particularly useful in materials for the alignment of liquid crystals. Due to the adjunction of an electron withdrawing group to specific molecular systems bearing an unsaturation directly attached to two unsaturated ring systems, exceptionally high photosensitivities, excellent alignment properties as well as good mechanical robustness could be achieved in materials comprising said functionalized photoreactive compounds of the invention.
Preparation process of isoimide
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, (2008/06/13)
A preparation process of isoimide comprising reacting a compound having one or more carboxyl group and one or more amide bond in the same molecule in the presence of a haloiminium salt and basic substance, and a preparation process of isoimide comprising reacting a compound having one or more carboxyl group with a compound having one or more amide bond in the presence of a haloiminium salt and basic substance are disclosed.