@article {2106,
	title = {The fate of phosphorus in the bleaching of spruce TMP with the new bleaching agent - THPS},
	journal = {Holzforschung},
	volume = {62},
	number = {4},
	year = {2008},
	note = {ISI Document Delivery No.: 320ZETimes Cited: 1Cited Reference Count: 30Hu, Thomas Q. Yu, Eric James, Brian R. Marcazzan, Paolo},
	pages = {389-396},
	type = {Article},
	abstract = {Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) is a newly discovered, phosphorus-based bleaching agent that has been successfully tested in a pulp mill trial. The fate of phosphorus (P) and the chemistry in the course of THPS bleaching of a spruce TMP have been studied. The amount of P introduced into the THPS-bleached pulp depends on THPS dose and the bleaching conditions and it correlates well with the brightness gain. The P introduced into THPS-bleached pulp is covalently bonded to the pulp. The THPS-bleached and tetraethylphosphonium chloride-treated pulps have been additionally treated with calcium chloride before P analysis, and the results of these experiments support the covalent bonding hypothesis. Bleaching with 0.1 and 3.0\% THPS (\% based on oven-dried pulp) at 60 and 110 degrees C leads to pulps with 0.13 and 2.17 mg P g(-1) pulp, respectively, which corresponds to 0.08 and 1.4\% THPS. More precisely, P is covalently bonded to lignin chromophores, such as lignin coniferaldehydes. This was found by P-content analysis, UV-visible spectroscopy, and P-31 {H-1} NMR studies of a crude milled wood lignin (crude MWL) and a partially purified MWL isolated from a THPS-bleached pulp.},
	keywords = {bleaching, brightness, BRIGHTNESS STABILIZING AGENTS, CHEMISTRY, CHROMOPHORES, conk, feraldehyde, lignins, mechanical pulps, phosphonium compounds : phosphorus, tetrakis(hydroxymethyl) phosphonium sulfate, thermomechanical pulps},
	isbn = {0018-3830},
	url = {<Go to ISI>://000257273000003},
	author = {Hu, Thomas Q. and Yu, E. and James, Brian R. and Marcazzan, P.}
}
@article {2106,
	title = {The fate of phosphorus in the bleaching of spruce TMP with the new bleaching agent - THPS},
	journal = {Holzforschung},
	volume = {62},
	number = {4},
	year = {2008},
	note = {ISI Document Delivery No.: 320ZETimes Cited: 1Cited Reference Count: 30Hu, Thomas Q. Yu, Eric James, Brian R. Marcazzan, Paolo},
	pages = {389-396},
	type = {Article},
	abstract = {Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) is a newly discovered, phosphorus-based bleaching agent that has been successfully tested in a pulp mill trial. The fate of phosphorus (P) and the chemistry in the course of THPS bleaching of a spruce TMP have been studied. The amount of P introduced into the THPS-bleached pulp depends on THPS dose and the bleaching conditions and it correlates well with the brightness gain. The P introduced into THPS-bleached pulp is covalently bonded to the pulp. The THPS-bleached and tetraethylphosphonium chloride-treated pulps have been additionally treated with calcium chloride before P analysis, and the results of these experiments support the covalent bonding hypothesis. Bleaching with 0.1 and 3.0\% THPS (\% based on oven-dried pulp) at 60 and 110 degrees C leads to pulps with 0.13 and 2.17 mg P g(-1) pulp, respectively, which corresponds to 0.08 and 1.4\% THPS. More precisely, P is covalently bonded to lignin chromophores, such as lignin coniferaldehydes. This was found by P-content analysis, UV-visible spectroscopy, and P-31 {H-1} NMR studies of a crude milled wood lignin (crude MWL) and a partially purified MWL isolated from a THPS-bleached pulp.},
	keywords = {bleaching, brightness, BRIGHTNESS STABILIZING AGENTS, CHEMISTRY, CHROMOPHORES, conk, feraldehyde, lignins, mechanical pulps, phosphonium compounds : phosphorus, tetrakis(hydroxymethyl) phosphonium sulfate, thermomechanical pulps},
	isbn = {0018-3830},
	url = {<Go to ISI>://000257273000003},
	author = {Hu, Thomas Q. and Yu, E. and James, Brian R. and Marcazzan, P.}
}
@article {935,
	title = {Stereochemical assignment in acyclic lipids across long distance by circular dichroism: Absolute stereochemistry of the aglycone of caminoside A},
	journal = {Angewandte Chemie-International Edition},
	volume = {43},
	number = {44},
	year = {2004},
	note = {ISI Document Delivery No.: 874FTTimes Cited: 14Cited Reference Count: 30},
	pages = {5946-5951},
	type = {Article},
	keywords = {AGENT, ANTIVIRAL ANTIBIOTICS, B-1, CHROMOPHORES, circular dichroism, CONFIGURATION ANALYSIS, CYCLOVIRACIN, glycolipids, LIPOSOMES, MOSHER METHOD, natural products, NMR, PHYSICOCHEMICAL, PROPERTIES, SECONDARY ALCOHOLS, SPIN-COUPLING CONSTANTS, STEREOCHEMISTRY},
	isbn = {1433-7851},
	url = {<Go to ISI>://000225337000017},
	author = {MacMillan, J. B. and Linington, R. G. and Andersen, R. J. and Molinski, T. F.}
}
@article {4002,
	title = {Towards inhibition of yellowing of mechanical pulps .1. Catalytic hydrogenation of lignin model compounds under mild conditions},
	journal = {Journal of Pulp and Paper Science},
	volume = {23},
	number = {4},
	year = {1997},
	note = {ISI Document Delivery No.: WU947Times Cited: 19Cited Reference Count: 19},
	month = {Apr},
	pages = {J153-J156},
	type = {Article},
	abstract = {Di-mu-chloro-bis(eta(4)-1,5-hexadiene) dirhodium(I) effectively catalyzed the hydrogenation of the aromatic rings of the lignin model compounds 4-propylphenol, eugenol, 1,2-dimethoxy-4-propylbenzene and 2,6-dimethoxy-4-propyl-phenol under extremely mild conditions (25 degrees C, I atm H-2) in a two-phase, hexane/aqueous pH 7.5 medium. This catalyst was more active than di-mu-chloro-bis(eta(4)-1,5-cyclooctadiene)-dirhodium(I), rhodium(III) trichloride trihydrate and ruthenium(III) trichloride trihydrate. The reactivity of three predominant functional groups in lignin toward the rhodium(I) catalyzed hydrogenation followed the descending order of carbon-carbon double bond > aromatic ring > carbonyl group. The hydrogenation reactions were sensitive to steric and electronic effects of the substituent(s) on the aromatic rings. Moderate to extremely high diastereoselectivities were observed for the hydrogenated products.},
	keywords = {aromatic groups, carbonyl groups, CATALYSTS, CHROMOPHORES, eugenol, HYDROGENATION, HYDROGENOLYSIS, INHIBITION, LIGNIN MODEL COMPOUNDS, mechanical pulps, QUINONES, yellowing},
	isbn = {0826-6220},
	url = {<Go to ISI>://A1997WU94700002},
	author = {Hu, Thomas Q. and James, Brian R. and Lee, C. L.}
}
@article {4002,
	title = {Towards inhibition of yellowing of mechanical pulps .1. Catalytic hydrogenation of lignin model compounds under mild conditions},
	journal = {Journal of Pulp and Paper Science},
	volume = {23},
	number = {4},
	year = {1997},
	note = {ISI Document Delivery No.: WU947Times Cited: 19Cited Reference Count: 19},
	month = {Apr},
	pages = {J153-J156},
	type = {Article},
	abstract = {Di-mu-chloro-bis(eta(4)-1,5-hexadiene) dirhodium(I) effectively catalyzed the hydrogenation of the aromatic rings of the lignin model compounds 4-propylphenol, eugenol, 1,2-dimethoxy-4-propylbenzene and 2,6-dimethoxy-4-propyl-phenol under extremely mild conditions (25 degrees C, I atm H-2) in a two-phase, hexane/aqueous pH 7.5 medium. This catalyst was more active than di-mu-chloro-bis(eta(4)-1,5-cyclooctadiene)-dirhodium(I), rhodium(III) trichloride trihydrate and ruthenium(III) trichloride trihydrate. The reactivity of three predominant functional groups in lignin toward the rhodium(I) catalyzed hydrogenation followed the descending order of carbon-carbon double bond > aromatic ring > carbonyl group. The hydrogenation reactions were sensitive to steric and electronic effects of the substituent(s) on the aromatic rings. Moderate to extremely high diastereoselectivities were observed for the hydrogenated products.},
	keywords = {aromatic groups, carbonyl groups, CATALYSTS, CHROMOPHORES, eugenol, HYDROGENATION, HYDROGENOLYSIS, INHIBITION, LIGNIN MODEL COMPOUNDS, mechanical pulps, QUINONES, yellowing},
	isbn = {0826-6220},
	url = {<Go to ISI>://A1997WU94700002},
	author = {Hu, Thomas Q. and James, Brian R. and Lee, C. L.}
}
@article {4001,
	title = {Towards inhibition of yellowing of mechanical pulps .2. Water-soluble catalysts for the hydrogenation of lignin model compounds},
	journal = {Journal of Pulp and Paper Science},
	volume = {23},
	number = {5},
	year = {1997},
	note = {ISI Document Delivery No.: WY102Times Cited: 18Cited Reference Count: 32},
	month = {May},
	pages = {J200-J205},
	type = {Article},
	abstract = {Water-soluble, polymer-stabilized, colloidal rhodium is an effective catalyst for the hydrogenation of the aromatic rings of the lignin model compounds 4-propylphenol, 2-methoxy-4-propylphenol, and 1,2-dimethoxy-4-propylbenzene under extremely mild conditions (25 degrees C, 1 atm H-2) in a one-phase, aqueous ethanol medium. The water-soluble catalyst is prepared by reducing rhodium trichloride trihydrate with ethanol in the presence of polyvinylpyrrolidone (PVP) and triethylamine, The reactivity of various chromophore precursors in lignin toward hydrogenation catalyzed by water-soluble, colloidal rhodium follows the descending order of carbon-carbon double bond > aromatic ring in 4-propylphenol > carbonyl group and the aromatic rings in 2-methoxy-4-propylphenol and 1,2-dimethoxy-4-propylbenzene, The hydrogenation of 2-methoxy-4-propylphenol and 1,2-dimethoxy-4-propylbenzene is accompanied by some hydrogenolysis and removal of the OMe group.},
	keywords = {aromatic compounds, aromatic groups, CARBON-MONOXIDE, CARBONYL, CATALYSTS, CHROMOPHORES, CLUSTERS, colloids, GROUPS, HIGH-YIELD PULPS, HYDROGENATION, HYDROGENOLYSIS, INHIBITION, LIGNIN, mechanical pulps, model compounds, water solubles, yellowing},
	isbn = {0826-6220},
	url = {<Go to ISI>://A1997WY10200002},
	author = {Hu, Thomas Q. and James, Brian R. and Lee, C. L.}
}
@article {4001,
	title = {Towards inhibition of yellowing of mechanical pulps .2. Water-soluble catalysts for the hydrogenation of lignin model compounds},
	journal = {Journal of Pulp and Paper Science},
	volume = {23},
	number = {5},
	year = {1997},
	note = {ISI Document Delivery No.: WY102Times Cited: 18Cited Reference Count: 32},
	month = {May},
	pages = {J200-J205},
	type = {Article},
	abstract = {Water-soluble, polymer-stabilized, colloidal rhodium is an effective catalyst for the hydrogenation of the aromatic rings of the lignin model compounds 4-propylphenol, 2-methoxy-4-propylphenol, and 1,2-dimethoxy-4-propylbenzene under extremely mild conditions (25 degrees C, 1 atm H-2) in a one-phase, aqueous ethanol medium. The water-soluble catalyst is prepared by reducing rhodium trichloride trihydrate with ethanol in the presence of polyvinylpyrrolidone (PVP) and triethylamine, The reactivity of various chromophore precursors in lignin toward hydrogenation catalyzed by water-soluble, colloidal rhodium follows the descending order of carbon-carbon double bond > aromatic ring in 4-propylphenol > carbonyl group and the aromatic rings in 2-methoxy-4-propylphenol and 1,2-dimethoxy-4-propylbenzene, The hydrogenation of 2-methoxy-4-propylphenol and 1,2-dimethoxy-4-propylbenzene is accompanied by some hydrogenolysis and removal of the OMe group.},
	keywords = {aromatic compounds, aromatic groups, CARBON-MONOXIDE, CARBONYL, CATALYSTS, CHROMOPHORES, CLUSTERS, colloids, GROUPS, HIGH-YIELD PULPS, HYDROGENATION, HYDROGENOLYSIS, INHIBITION, LIGNIN, mechanical pulps, model compounds, water solubles, yellowing},
	isbn = {0826-6220},
	url = {<Go to ISI>://A1997WY10200002},
	author = {Hu, Thomas Q. and James, Brian R. and Lee, C. L.}
}
