24197-41-9

Upstream product

• 585-34-2 3-tert-butylphenyol 
• 720712-00-5 2-tert-butyl-4-methoxy-phenylamine 
• 121-57-3 4-aminobenzene sulfonic acid 

Downstream Products

• 1190867-70-9 N-(4-acetyloxy-2-tert-butyl-phenyl)-acetamide 
• 1352342-91-6 4-(benzyloxy)-2-(tert-butyl)aniline 
• 1443755-62-1 8-tert-butyl-4-methyl-6-(2,2,2-trifluoroethylamino)quinoline-2-carbohydrazide 
• 1352342-93-8 ethyl 6-(benzyloxy)-8-(tert-butyl)-4-(((trifluoromethyl)sulfonyl)oxy)quinoline-2-carboxylate 
• 1352342-94-9 ethyl 6-(benzyloxy)-8-tert-butyl-4-methylquinoline-2-carboxylate 
• 1443926-67-7 (1S,3R)-3-(5-(8-tert-butyl-4-methyl-6-(2,2,2-trifluoroethylamino)quinolin-2-yl)-1,3,4-oxadiazol-2-ylamino)cyclohexanol 
• 1352342-92-7 ethyl 6-(benzyloxy)-8-tert-butyl-4-hydroxyquinoline-2-carboxylate 
• 87234-77-3 3,3-dimethyl-5-methoxy-indoline 
• 1373751-83-7 1-azido-2-tert-butyl-4-methoxybenzene 

Relevant academic research and scientific papers

Metal-Free Visible Light-Mediated Photocatalysis: Controlling Intramolecular [2 + 2] Photocycloaddition of Enones through Axial Chirality

Atropisomeric enone-imides and enone-amides featuring N-CAryl bond rotation were evaluated for intramolecular [2 + 2] photocycloaddition. Straight addition product was observed over cross-addition product with good control over reactivity. The atropselectivity was found to be dependent on the substituent on the aryl ring. Substitution-dependent atropselectivity was rationalized on the basis of a divergent mechanistic pathway.

Catalytic C(sp3)?H Arylation of Free Primary Amines with an exo Directing Group Generated In Situ

Herein, we report the palladium-catalyzed direct arylation of unactivated aliphatic C?H bonds in free primary amines. This method takes advantage of an exo-imine-type directing group (DG) that can be generated and removed in situ. A range of unprotected aliphatic amines are suitable substrates, undergoing site-selective arylation at the γ-position. Methyl as well as cyclic and acyclic methylene groups can be activated. Furthermore, when aniline-derived substrates were used, preliminary success with δ-C?H arylation was achieved. The feasibility of using the DG component in a catalytic fashion was also demonstrated.

3-substituted para-aminophenols

The invention concerns the use of a 3-substituted para-aminophenol as an oxidation dye precursor for dyeing keratinous fibres, in particular human hair. The 3-substituted para-aminophenol has formula: STR1 where R1 represents alkyl, alkenyl, mono- or polyhydroxyalkyl, nitrile, cyanoalkyl, halogenoalkyl, aminoalkyl or alkoxyalkyl and R2 represents hydrogen, alkyl or mono- or polyhydroxyalkyl, provided that when R2 is hydrogen R1 is not methyl or trifluoromethyl, and to addition salts thereof with an acid. The invention also concerns dye compositions containing compound (I). The invention further concerns novel 3-substituted para-aminophenols.