67349-41-1

Upstream product

• 130481-39-9 2-Methyl-6-(3-methyl-but-2-enyl)-benzene-1,4-diol 
• 943744-44-3 6-acetoxy-2,2,8-trimethylchromene 
• 22460-35-1 6-hydroxy-2,2,8-trimethylchroman 
• 449775-67-1 2,5-bis-methoxymethoxy-1-methyl-3-(3-methyl-but-2-enyl)-benzene 
• 870-63-3 prenyl bromide 
• 50848-61-8 1-bromo-2,5-bis(methoxymethoxy)-3-methylbenzene 
• 37816-25-4 6-acetoxy-2,2,8-trimethylchromane 
• 131221-81-3 2-methyl-6-(3-methyl-2-butenyl)benzo-1,4-quinone 

Relevant academic research and scientific papers

Novel tocopheryl compounds XXV: synthesis and comparison of the para-quinones of all four homologous tocopherol model compounds and their 3,4-dehydro derivatives

Four tocopherol model compounds, the chroman-6-ols (1-4) having the typical substitution pattern of α-, β-, γ-, and δ-tocopherol (vitamin E), were oxidized to the corresponding para-quinones (5-8), and dehydrogenated to the 2H-chromen-6-ols (17-20) involving initial acetyl protection of the phenolic OH and deprotection as the last step. The chromenols were also converted into the para-quinones (21-24), which existed in the bicyclic hemiketal form, in contrast to the chromanol-derived, monocyclic quinones 5-8, the ketalization behavior agreeing well with computations on the DFT level.

Powerful antioxidative agents based on garcinoic acid from Garcinia kola.

Investigation on the structure--antioxidative activity relationships of derivatives based on garcinoic acid from Garcinia kola (Guttiferae) led to discovery of a powerful antioxidative agent.

Synthesis of 2,2-Dimethyl-2H-chromenes via a Palladium(II) Catalysed Reaction

The antijuvenile hormones Precocene-1, Precocene-II and other bioactive 2,2-dimethyl-2H-chromenes have been synthesised by intramolecular oxidative cyclisation of 2-isoprenyl phenols catalysed by a palladium(II) salt.