70265-69-9Relevant academic research and scientific papers
NOVEL AND SELECTIVE SYNTHESES OF NEW ANALOGUES OF PRECOCENE-2 AND PRECOCENE-3 CONTAINING 5-METHYL- OR 8-METYL-SUBSTITUENTS
Timar, Tibor,Seboek, Peter,Eszenyi, Tibor,Jaszberenyi, Joseph Cs.
, p. 2719 - 2728 (2007/10/02)
New analogues of precocene-2 and precocene-3 containing 5-methyl- or 8-methyl-substituents have been synthesised in good yields utilising regioselective O-alkylation of 6,7-dihydroxy-2,2,5-trimethyl-4-chromanone and 6,7-dihydroxy-2,2,8-trimethyl-4-chromanone as the key step.
