34591-41-8Relevant academic research and scientific papers
PROCESSES FOR THE PREPARATION OF ORTHO-ALLYLATED HYDROXY ARYL COMPOUNDS
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Paragraph 00280-00281; 00284, (2021/12/08)
The present application describes process for preparing an ortho-allylated hydroxy aryl compounds such as compounds of Formula (I) by reacting an allylic alcohol with a hydroxy aryl compound in the presence of aluminum compound selected from alumina and aluminum alkoxides and in a non-protic solvent wherein at least one carbon atom ortho to the hydroxy group in the hydroxy aryl compound is unsubstituted. The present application also includes compounds of Formula (I).
Catalytic, Enantioselective, Intramolecular Sulfenofunctionalization of Alkenes with Phenols
Denmark, Scott E.,Kornfilt, David J. P.
, p. 3192 - 3222 (2017/03/23)
The catalytic, enantioselective, cyclization of phenols with electrophilic sulfenophthalimides onto isolated or conjugated alkenes affords 2,3-disubstituted benzopyrans and benzoxepins. The reaction is catalyzed by a BINAM-based phosphoramide Lewis base c
Intramolecular excited-state interactions in phenol-styrene bicromophoric systems: A photochemical and photophysical study
Consuelo Jiménez,Miranda, Miguel A,Tormos, Rosa
, p. 115 - 120 (2007/10/03)
The intramolecular excited state interaction between phenol and styrene in a series of trans-2-cinnamylphenols bearing electron-donating substituents at the phenolic ring has been directly observed as an exciplex emission in acetonitrile. The photochemica
Palladium-catalyzed coupling of alkynes with alcohols and carboxylic acids
Zhang, Weijiang,Haight, Anthony R.,Hsu, Margaret C.
, p. 6575 - 6578 (2007/10/03)
The palladium-catalyzed coupling of alkynes with alcohols and carboxylic acids to give allylic ethers and esters has been achieved. With phenols, these conditions furnish the C-alkylation products.
Molybdenum(II)-catalyzed allylation of electron-rich aromatics and heteroaromatics
Malkov, Andrei V.,Davis, Stuart L.,Baxendale, Ian R.,Mitchell, William L.,Kocovsky, Pavel
, p. 2751 - 2764 (2007/10/03)
The stable, readily available molybdenum(II) complexes [Mo(CO)4Br2]2 (B) and Mo(CO)3(MeCN)2-(SnCl3)Cl (C) have been found to catalyze C-C bond- forming allylic substitution with electronrich aromatics (e.g., 15 + PhOMe → 62) and heteroaromatics (e.g., 15 + 36 → 88) as nucleophiles under mild conditions (room temperature, 30 min-3 h). Remarkable is the para-selectivity for anisole, whereas phenol tends to favor ortho-substitution in certain instances. Mechanistic and stereochemical experiments are indicative of Lewis-acid catalysis rather than a metal template-controlled process.
