Search Results - "Habicher, W.D"
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A novel method for the synthesis of alkoxyamine initiators for nitroxide-mediated radical polymerization using Mn(OAc)3 as electron-transfer reagent
Published in Designed monomers and polymers (01-01-2004)“…O -substituted hydroxylamines which are known to initiate and promote nitroxide-mediated radical polymerization were synthesized in high yield by a novel and…”
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2
Antioxidant interaction between organic phosphites and hindered amine light stabilizers: effects during photoxidation of polypropylene—II
Published in Polymer degradation and stability (1997)“…The behaviour of mixtures of hindered amine light stabilizers (HALS), their nitroxyl radical, and alkylamine analogues, with aromatic and aliphatic phosphites…”
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3
Macrocycles containing nitrogen heterocycles 11. Calixarene type macrocycles based on m-bisbenzene for the encapsulation of organic guest molecules
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01-05-2014)“…The interaction of m-bis(3-phenylimidazo[1,5-a]quinoxalin-4(5H)-on-1-yl)benzene and 3, 3'-dibromomethyl-4-methoxybenzophenone in DMSO or DMF in the presence of…”
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4
Novel tocopherol compounds I. Bromination of α-tocopherol — reaction mechanism and synthetic applications
Published in Tetrahedron (17-07-1995)“…Bromination of α-tocopherol is shown to proceed as a two-step process including the occurrence of an ortho-quinone methide, not as a radical-chain reaction,…”
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5
Structure and spectroscopic characteristics of 4- tert-butylphenoxyacetylhydrazones of arylaldehydes
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01-02-2007)“…By reaction of 4- tert-butylphenoxyacetylhydrazide with aromatic aldehydes and acetone a new series of 4- tert-butylphenoxyacetylhydrazones was synthesized…”
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6
Phosphite macrocycles of varying size
Published in Tetrahedron letters (22-07-2002)“…The condensation reaction of a dichlorophosphite with different bisphenols afforded macrocyclic phosphites of different sizes in dependence on the geometry of…”
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7
Aggregation and counter ion binding ability of sulfonatomethylcalix[4]resorcinarenes in aqueous solutions
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (15-06-2004)“…1 H NMR spectroscopy, 1 H NMR spin-lattice relaxation, conductivity and pH-metric titration data have been used to study the aggregation and counter-ion…”
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8
New combined phenol/hindered amine photo- and thermal-stabilizers based on toluene-2,4-diisocyanate
Published in Polymer degradation and stability (2003)“…Reactions of toluene-2,4-diisocyanate with different phenols and different HAS (hindered amine stabilizers) were used to prepare new combined phenol/HAS. As a…”
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9
Novel tocopherol compounds - X. A facile synthesis of O-trimethylsilyl-5a-halo-α-tocopherols
Published in Tetrahedron letters (01-08-1997)“…A simple and efficient procedure for the synthesis of O-trimethylsilyl-5a-bromo-α-tocopherol ( 6) and O-trimethylsilyl-5a-chloro-α-tocopherol ( 7) starting…”
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10
New combined phenol-hindered amine stabilizers for polymers based on diphenylmethane-4,4′-diisocyanate and dicyclohexylmethane-4,4′-diisocyanate
Published in Polymer degradation and stability (01-12-2004)“…New higher molecular weight combined photo-stabilizers for polymers were synthesized, based on sterically hindered phenols and sterically hindered amines…”
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11
New combined hindered phenol/hindered amine stabilizers for polymers based on diphenylmethane-4,4′-diisocyanate
Published in Polymer degradation and stability (2003)“…A new type of combined stabilizer based on hindered phenols and Hindered Amine Stabilizers (HAS) were synthesized and tested as light stabilizers. 2,4-Di-…”
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12
Vibrational spectra of calix[4]resorcinarene isomers
Published in Journal of molecular structure (28-05-2001)“…IR and Raman spectra of cis– cis– cis and cis– trans– trans isomers of calix[4]resorcinarene were recorded. Differences were found in the IR spectra, which may…”
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13
Novel tocopherol compounds VIII. Reaction mechanism of the formation of α-tocored
Published in Tetrahedron (10-03-1997)“…A novel mechanism for the formation of 5,6-tocopheryldione (α-tocored, 4) from α-tocopherol (vitamin E, 1) has been established. The reaction has been shown to…”
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14
New stabilisers for polymers on the basis of IPDI protected 2,2-thiobis(4-methyl-6- tert-butylphenol) and hindered amines
Published in Polymer degradation and stability (01-01-2001)“…New thermostabilisers for polymers on the basis of a sterically hindered phenol and several sterically hindered amines (HA) were synthesised by reaction with…”
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15
Antioxidant action of organic sulphites—I. Esters of sulphurous acid as secondary antioxidants
Published in Polymer degradation and stability (1997)“…The efficiency of esters of sulphurous acid as secondary antioxidants has been studied. Several aliphatic as well as aromatic open-chain and cyclic sulphites…”
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16
New stabilisers for polymers on the basis of isophorone diisocyanate
Published in Polymer degradation and stability (01-04-2000)“…New thermal and photostabilisers on the base of a sterically hindered phenol and sterically hindered amines were synthesised by reaction with isophorone…”
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17
Hydroperoxide decomposing ability and hydrolytic stability of organic phosphites containing hindered amine moieties (HALS-Phosphites)
Published in Polymer degradation and stability (1998)“…The hydroperoxide decomposing ability and the hydrolytic stability of some HALS-Phosphite stabilisers and some of their hydrolytic transformation products have…”
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18
Antioxidant action of organic sulphites III. Antioxidative effect of esters of sulphurous acid in hydrocarbons and polypropylene
Published in Polymer degradation and stability (01-01-1999)“…The influence of aliphatic, aromatic, cyclic and acyclic esters of sulphurous acid on the AIBN initiated oxidation of the hydrocarbons cumene and tetraline at…”
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19
Antioxidant action of organic sulfites—II. Esters of sulfurous acid as primary antioxidants
Published in Polymer degradation and stability (1998)“…The effect of esters of sulfurous acid as primary antioxidants was examined. Different aliphatic, aromatic, open-chain and cyclic sulfites were synthesized…”
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20
Antioxidant interaction between organic phosphites and hindered amine light stabilisers during processing and thermoxidation of polypropylene
Published in Polymer degradation and stability (1995)“…Mixtures of hindered amine light stabilisers (HALS) and their radical analogues, with aromatic and aliphatic phosphites have been examined for their…”
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