- Method for synthesizing indane structure-containing compound
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The invention provides a method for synthesizing an indane structure-containing compound, which comprises the following steps: 1) in the presence of a solid acid catalyst, carrying out a nitration reaction on an indane compound of a compound as shown in a general formula (I) to obtain compounds as shown in a general formula (II) and a general formula (III); and 2) in the presence of a reducing agent, performing a reduction reaction on the compounds represented by the general formula (II) and the general formula (III) to obtain compounds represented by the general formula (IV) and the general formula (V); wherein in the general formulas (I), (II), (III), (IV) and (V), R1, R2, R3 and R4 are independently hydrogen, C1-4 alkyl, C1-4 alkoxy, halogen, hydroxyl or carboxyl.
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Paragraph 0080-0120
(2020/08/18)
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- Separation and crystal structure of two isomeric of 1,3,3-trimethyl-5- nitro-3-(4-nitrophenyl)-2,3-dihydro-1H-indene and 1,3,3-trimethyl-5-nitro-1-(4- nitrophenyl)-2,3-dihydro-1H-indene
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The isomers, 1,3,3-trimethyl-5-nitro-3-(4-nitrophenyl)-2,3-dihydro-1H- indene (1) and 1,3,3-trimethyl-5-nitro-1-(4-nitrophenyl)-2,3-dihydro-1H-indene (2), have been prepared and separated effectively. Their crystal structures can not be confirmed by the r
- Wang,Wu,Shao,Men,Gao
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p. 399 - 402
(2014/06/09)
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- Phenylindane diamine mixture and epoxy resin therewith
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A mixture of phenylindane diamines is prepared by a process comprising acid-catalyzed dimerization of α-methylstyrene and subsequent nitration and reduction of the phenylindane reaction product. This phenylindane diamine mixture is useful in polymide polymers and as a curing agent for epoxy resins.
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