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1- Allylnaphthalene

Hydroalumination of terminal alkenes using EtjAl as the hydride source must be carried out with titanium catalysts [24], since zirconium compounds lead to the formation of alumacyclopentanes [60, 61] (Scheme 2-11) and carbometallated products [62]. Suitable substrates for hydroalumination include styrene, allylnaphthalene and vinylsilanes. Only one of the ethyl groups in EtjAl takes part in these reactions, allowing the synthesis of diethylalkylalanes, which are difficult to obtain by other methods. [Pg.58]

The third group ofpolychromophoric compounds to be discussed are homopolymers in which the pendant rings are separated from the backbone by one or more atoms. The polymers of allyl arenes, which lack only the n = 3 ring spacing of aryl vinyl polymers, have been studied very little. The fluorescence spectrum of poly(l-allyl-naphthalene) in dilute dichloromethane solution has been reported 28). Like 1-ethyl-naphthalene, the maximum intensity was seen at 337 nm, but a weak, broad shoulder was also recorded for the polymer at 410 nm. The fluorescence ratio Iu/IM for poly(l-allylnaphthalene) was only 1/100 th the value for P1VN 28). The excimeric nature of the 410 nm emission in the allyl-based polymer has not been confirmed, since neither the lifetime nor the excitation spectrum of this fluorescence band are known. [Pg.60]

Naphthofurans have been synthesized from the corresponding naphthols thus 2-methoxy-3-allylnaphthalene (from allyl bromide and 3-lithio-2-methoxynaphthalene) gives 2-methyl-2,3-dihydronaphtho-[2,3-6]furans,435 and l-allyl-2-naphthol gives (with pyridine hydrochloride) 2-methyl-2,3-dihydronaphtho[2, l-6]furan.438... [Pg.399]

Oxidation of l-(3-allylnaphthalen-2-yl)ethanol derivative 132 under Wacker oxidation conditions gives 5-(benzyloxy)-7,9-dimcthoxy-l,3-dimethyl-l//-bcnzo[g isochromene in excellent yield (Equation 62) <20040BC2461>. [Pg.459]

Sol 4. (a) Allyl ether of 2-naphthol (I) on heating undergoes Claisen rearrangement to give l-aIlylnaphthalen-2-ol (II) and 3-allylnaphthalen-2-ol (HI). Reaction favors the formation of II as the aromaticity in the intermediate enone is lost only in one ring. However, in the formation of III aromaticity in the intermediate enone is lost in both the rings. [Pg.117]

Alternating copolymers of a-allylnaphthalene with MA have received only brief study.Heating equimolar amounts of the two monomers at 160-180°C, in the presence of 2-4 wt. % tert-buty peroxide, gives a 77% yield of the 1 1 copolymer. [Pg.310]

Allylidene, diacetate, MA reactivity ratios, 299 A-Allylimidazole, MA copolymerization, 314 Allyl laurate, MA copolymerization, 662, 671 Allyl levulinate, MA copolymerization, 662 Allyl myristate, MA copolymerization, 662 Allylnaphthalene, MA copolymerization, 309... [Pg.821]

Poly(p-allylanisole-alt-MA), 375 Poly(allylbenzene-alt-MA), 309 Polyfallyl chloride-alt-MA), 380, 660 Poly(2-allylcyclohexanone-alt-MA), 314 Poly(3-allylcyclohexene-co-MA), 353, 358 Poly(3-allylcyclopentene-co-MA), 310, 358 Polyfallyl glyddyl ether-alt-MA), 313 Poly(N-allylimidazole-co-MA), 314 Poly(a-allylnaphthalene-alt-MA), 309, 310 Poly(2-allylphenol-alt-MA), 310, 375, 447 applications, 447... [Pg.857]


See other pages where 1- Allylnaphthalene is mentioned: [Pg.165]    [Pg.165]    [Pg.13]    [Pg.13]    [Pg.14]    [Pg.311]    [Pg.5]    [Pg.5]    [Pg.6]    [Pg.303]    [Pg.317]    [Pg.309]   
See also in sourсe #XX -- [ Pg.41 , Pg.157 ]

See also in sourсe #XX -- [ Pg.41 , Pg.157 ]




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1- allylnaphthalen

A-Allylnaphthalene

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