1.4- Benzenediol, 2,5-bis

Di-t-butyl hydroquinone. See Di-t-butylhydroquinone Di-t-butylhydroquinone CAS 88-58-4 EINECS/ELINCS 201-841-8 Synonyms 2,5-Bis (1,1-dimethylethyl)-1,4-benzenediol 2,5-Di-t-butylbenzene-1,4-diol ... 

A special type of polymeric antioxidant is anoxomer, which consists of 1,4-benzenediol, 2-(l,l-dimethylethyl)-polymer with diethylbenzene, 4-(l,l-dimethyl-ethyl)phenol, 4-methoxy-phenol, 4,4 -(l-methylethylidene)bis(phenol), and 4-methylphenol prepared by condensation polymerization of divinylbenzene (m- and p-) with tert-butylhydroquinone, tert-butylphenol, hy-droxyanisole, p-cresol, and 4,4 -isopropylidenediphenol. Total monomers, dimers, and trimers below 500 are not more than 1%. Anoxomer is permitted in the United States as an antioxidant in food at a level of not more than 5 ppm of fat and oil content of the food. 

Bis(1,1-dimetliylpropyl)-1,4-benzenediol 2,4-Bis(1,1-dimethylpropyl)phenol 1,2-Bis(diphenylphosphino)ethane 1,3-Bis(2,3-epoxypropoxy)benzene Bis(2-ethoxyethyl) phthalate... 

Dimethylpropylcyanobetene can be prepared in an analogous fashion starting from the commercially available 2,5-bis(l,l-dimethyl-propyl)-l,4-benzenediol. This ketene seems to be very similar in stability and reactivity to its [Pg.38]

Very recently, MacGillivray et al. succeeded in the supramolecular construction of molecular ladders in the solid state using a linear template approach [48]. They designed the cocrystals 1,3-benzenediol (resorcinol) or a derivative with an all-trans-bis(4-pyridyl)butadiene or hexatriene, in which two resorcinol molecules preorganize two polyene molecules through two hydrogen bond interactions, for [2-1-2] photoaddition (Scheme 5). In this design, two polyenes would... 

Benzenediol, 4-[4,6-bis(2,4-dimethylphenylphenyl)-1,3,5-triazin-2-yl]-, C7-9 branched alkyl ethers, 65% in xylenes... 

Benzoxathiol-3-ylidene)bis[2-iodophenol] 5,5-dioxide, B-00111 4.4 -(3//-2,1-Benzoxathiol-3-ylidene)bis(5-melhyl-I,3-benzenediol) 5,5-dioxide, see 0-00044... 

However, an equimolar sample starting at the centre of the triangle would move approximately as indicated in Figure 3. Results of this kind were obtained in the selectivity experiments carried out with the host l,l-bis(4-hydroxyphenyl)cyclo-hexane with the isomers of benzenediol [9], picoline [10] and lutidine [11], When the selectivity for a pair of guests is concentration dependent, this will be reflected in the three component experiment. In Figure 4 we show the case in which the selectivity of the host A > B with Ka.b = 5, B C with KB.c 1, and A C is concentration dependent. In this case, samples of the three-component mixture will give a split result which is dependent on their initial concentrations. This outcome occurred in the selectivity by the host 1,1,6,6-tetraphenylhexa-2,4-diyne-l,6-diol of mixtures of lutidines [12], and the host dinaphthol with... 

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