32588-54-8Relevant articles and documents
Friedel - gram acylating reaction method based on phthalic anhydride and aromatic alkyl compound
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, (2021/09/08)
A part of a substituted alkylbenzene is used as a solvent and a reaction raw material for - gram acylating reaction, a part of a substituted alkylbenzene is dissolved in a reaction raw material phthalic anhydride and a chloroaluminate ionic liquid catalyst, and a residual part of a substituted alkylbenzene is added dropwise - to obtain - (2 - 4' - alkylbenzoyl) benzoic acid intermediate. 2 -position positioning selectivity of the method is higher, and the reaction production cost is low.
PROCESS FOR PRODUCING SUBSTITUTED ANTHRAQUINONE
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Page/Page column 8-12, (2020/06/10)
A process for manufacturing a compound of formula (II), said process comprising a step of reacting a compound of formula (I) in the presence of a zeolite catalyst and a solvent, (I), (II) wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently H, halo, C1-C12 alkyl, C1-C12 alkyloxy, C2-C12 alkenyl, C2-C12 alkenyloxy, C2-C12 alkynyl, C2-C12 alkynyloxy, C3-C8 cycloalkyl, C3-C8 cycloalkyloxy, C6-C10 aryl, C6-C10 aryloxy, C7-C10 aralkyl, C7-C10 alkylaryl or C4-C7 heteroaryl; and wherein the solvent is a halogen substituted aromatic compound.
Process for preparation of 2-substituted 1,4-naphthoquinone
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, (2008/06/13)
A process for preparation of a 2-substituted-1,4-naphthoquinone which comprises oxidizing a 2-substituted naphthalene to obtain reaction products comprising a 2-substituted-1,4-naphthoquinone and a 6-substituted-1,4-naphthoquinone; adding a diene compound to the reaction products and heating the mixture to form a Diels-Alder reaction adduct between the diene compound and the 6-substituted-1,4-naphthoquinone in the reaction products; and separating the 2-substituted-1,4-naphthoquinone from the adduct.