4-Biphenyl methyl ether

The section on the formation of benzyl ethers should be consulted. Such biphenyl-methyl ethers have also been prepared using a Suzuki coupling with a 4-bromobenzyl ether. p-Phenylbenzyl ethers are more stable to acid than the PMB ethers (60°C in aq. AcOH or TFA, CH2CI2, rt, several hours) ... 

A solution of compound 7 or 8 (100 mmol) in Ph,0/biphenyl (150 mL, 3 1) or in collidine (150mL) was heated under reflux for l-2h. When Ph20/biphenyl was used the reaction mixture was treated with petroleum ether/acetonc (500 mL, 1 1) when collidine was used the solvent was distilled off in vacuo and the residue was triturated with petroleum ether/acetone (100 mL, 1 1). The resulting precipitate was filtered off and recrystallized (2-hydroxyethyl methyl ether/charcoal). 

Methyl Acrylate CH2=CHCOOCH3 Non-inhibitors such as Biphenyl, Bibenzyl, Tri-phenyl, etc Methyl Acrylate Vap plus air > Ambient > 120 Inhibitor—H ydro quino ne or Methyl Ether of Hydro-quinone 10-20ppm. Store Store below 10° no inert atmosphere. No sparks 18.58-18.8 463 Self polymerizing above ambient press temp accelerates polymerization... 

Biphenyls are recognised as stable analogues of BINOL. They are found in numerous natural products. Sanfilippo et al85 reported the Pseudomonas cepacia lipase-catalysed kinetic resolution of 2,2 -dihydroxy-6,6 -dimethoxy-l,l -biphenyl 74 using vinyl acetate as acyl donor in tert-butyl methyl ether as organic solvent. (R)-15 is obtained with an ee up to 98% while i.S)-74 is recovered with an ee up to 96%. 

The allocolchicine positional isomers 70-73, Fig. (14), were synthesized by Boye and Brossi by cyclization of the open-chain biphenyl carboxylic acid 68 in acid medium [14,100,101], Whereas the allocolchicinol methyl ether analogues 70 and 71 were inactive as tubulin polymerization inhibitors, the deamino analogues 72 and 73 were found to be equipotent with allocolchicine. 

Benzylic deprotonation is often an inefficient process. It may be more important than it would appear from the end products, however, since radical cation deprotonation followed by reduction of the radical and reprotonation may regenerate the starting material. This mechanism has been proposed to explain the inefficiency of some PET alkylations [68]. In suitable models such a process has been revealed, e.g. deuterium incorporation at the bis-benzylic position in 2-(4-methoxyphenyl)-2-phenylethyl methyl ether and cis-trans isomerization in 2-methoxy-l-(4-methoxyphenyl)indane (but not in the corresponding 3-methoxyphenyl derivatives) [204], as well as deconjugation of 1-phenylalkenes to 3-phenylalkenes in the presence of 1,4-dieyanobenzene, biphenyl (as a secondary donor) and a hindered pyridine as the base [205]. Deprotonation of N,N-dimethylaniline has likewise been observed (Scheme 38) [206-207],... 

MTBE (ferf-butyl methyl ether) and 4,4 -dichlorobiphenyl (a polychlorinated biphenyl, abbreviated as PCB) demonstrate that solubility properties can help determine the fate of organic compounds in the environment. 

BINAP = 2,2 -bis(diphenylphosphino)-l,l -binaphthyl DPPF = 1,1 -bis(diphenylphosphino)ferrocene PPF-OMe (1) = l-[(2-diphenylphosphino)ferrocenyl]ethyl methyl ether PPF-P( -Bu)2 = l-[(2-diphenylphosphino)ferrocenyl]ethyldi- -butylphopshine D -BPF = 1,1 -bis(di- -butylphosphino)ferrocene Guram s ligand (4b) = dicyclohexyl [2-(2-methyl-l,3-dioxolan-2-yl)phenyl]phosphine ArPR2 (2) = 2-dimethyl amino-2 -dicy cl ohexylphoshino-1,1 -biphenyl. 

Biphenylylene) bis (azo)) bis (5-amino-4-hydroxy)-2,7-naphthalenedisulfonic acid, tetrasodium salt. See Direct blue 6 Biphenyl-2-yl methyl ether. See o-Phenyl anisole... 

Methoxybenzyl propanoate p-Methoxybenzyl propionate. See Anisyl propionate 2-Methoxybiphenyl 2-Methoxy-1,r-biphenyl o-Methoxybiphenyl. Seeo-Phenyl anisole exo-2-Methoxybornane. See Isobornyl methyl ether... 

CAS 86-26-0 EINECS/ELINCS 201-659-9 Synonyms Anisole, o-phenyl- 1,1-Biphenyl, 2-methoxy- Biphenyl-2-yl methyl ether 2-Hydroxybiphenyl methyl ether 2-Methoxybi phenyl... 

Phthalic anhydride 1,2-Polybutadiene Polychlorinated biphenyls Polyethylene glycol Polyglyceryl-2 stearate Polyurethane, thermoplastic PPG-20 PPG-3 methyl ether PPG-40-PEG-60 lanolin oil Propylene carbonate... 

Diethylene glycol dibutyl ether Ethylene glycol dimethyl ether PEG-4 dimethyl ether solvent, electrodeposition coatings 2,2,4-Trimethyi-1,3-pentanedioi isobutyrate solvent, electrolytes Dimethyl acetamide solvent, electrolytic capacitors Dimethyi formamide solvent, electronic chemicals PPG-2 methyl ether PPG-3 methyl ether PPG-2 methyl ether acetate solvent, electronic cleaning 1,r-Biphenyl, butenylated solvent, electronic components... 

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