Results 241 to 250 of about 39,456 (303)
<i>O</i>-Trifluoromethylation of ketones: an alternative straightforward route to alkenyl trifluoromethyl ethers. [PDF]
Chem SciGao C +6 more
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Highly-Selective Electrochemical Decarboxylative Late-Stage Functionalization of Amino Acids. [PDF]
ChemistryGhosh A +4 more
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2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone (DDQ)-Mediated CC Bond Formation: Redox Strategies from Stoichiometric to Catalytic Systems. [PDF]
ChemistryOpenCha D, Min SJ.
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Polymer Bulletin, 1986
Cyclic silyl pinacole ethers are a new class of difunctional free radical initiators which have been prepared and characterized. On the basis of their first order kinetic rates of dissociation and half-lives, these compounds are high temperature initiators useful generally above 120°C.
J. V. Crivello, J. L. Lee, D. A. Conlon
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Cyclic silyl pinacole ethers are a new class of difunctional free radical initiators which have been prepared and characterized. On the basis of their first order kinetic rates of dissociation and half-lives, these compounds are high temperature initiators useful generally above 120°C.
J. V. Crivello, J. L. Lee, D. A. Conlon
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3,4‐Benzoxanthene cyclic ethers
Recueil des Travaux Chimiques des Pays-Bas, 1965AbstractTreatment of 3,4‐benzoxanthone hydrazone with tetrahalogeno‐α‐benzoquinones gave the corresponding cyclic ethers (IIIa‐b). Reductive cleavage of the latter with lithium aluminium hydride yielded 3,4‐benzoxanthene together with the tetrahalogenocatechol.
A. Mustafa, N. Latif, H. El‐Namaky
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Dilithiated Synthons: Synthesis of Cyclic Ethers.
ChemInform, 2003AbstractFor Abstract see ChemInform Abstract in Full Text.
F. Alonso, J. Meléndez, M. Yus
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Macromolecules, 1995
The efficient preparation of a range of cyclic (aryl ether ketone)s containing the 1,2-dibenzoylbenzene moiety via the nucleophilic aromatic substitution route with the use of the pseudo-high dilution principle was developed. Chemical transformation of the 1,2-dibenzoylbenzene moiety of these cyclic (aryl ether ketone)s led to the preparation of novel ...
Kwok P. Chan +4 more
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The efficient preparation of a range of cyclic (aryl ether ketone)s containing the 1,2-dibenzoylbenzene moiety via the nucleophilic aromatic substitution route with the use of the pseudo-high dilution principle was developed. Chemical transformation of the 1,2-dibenzoylbenzene moiety of these cyclic (aryl ether ketone)s led to the preparation of novel ...
Kwok P. Chan +4 more
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Photopolymerization of unsaturated cyclic ethers
Polymer, 1998Abstract 2,3-Dihydro-4H-pyran, DHP, and 2,3-dihydrofuran, DHF, are photopolymerized at ambient temperature with the aid of diphenyl iodonium hexafluorophosphate, Ph 2 I + PF 6 − or triphenyl sulfonium hexafluorophosphate, Ph 3 S + PF 6 − at λ inc = 310 or 340 nm, respectively.
Qin Qin Zhu, Wolfram Schnabel
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Polymerization of Cyclic Ethers
Journal of Macromolecular Science: Part A - Chemistry, 1972Abstract In the present series of studies on the cationic polymerization of cyclic ethers, the reactivities of cyclic ethers were quantified and the effect of the catalyst upon the polymerization kinetics was revealed. These kinetic analyses were successfully performed by means of our “phenoxyl end-capping method”.
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