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Selective Addition (selective + addition)

Distribution by Scientific Domains
Chemistry75%

Selected Abstracts

Generation of Prenylhafnium and ,-Selective Addition to Imines

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, Issue 21 2009
Ikuya Shibata
Abstract Allylhafnium compounds were generated by transmetalation between allyl-SnBu3 and HfCl4 in EtCN. A highly ,-selective addition reaction of prenyltributyltin to imines was observed. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009) [source]

ChemInform Abstract: Selective Addition of H2O to Fullerene C60 Catalyzed by Ti, Zr, and Hf Catalysts.

CHEMINFORM, Issue 18 2008
Airat R. Tuktarov
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

Response Surface Methodology for Reduction of Pinking in Cooked Turkey Breast Mince by Various Dairy Protein Combinations

JOURNAL OF FOOD SCIENCE, Issue 3 2000
A.J. Slesinski
ABSTRACT: Nonfat dry milk (NFDM), sodium caseinate (SC), whey protein concentrate (WPC), and combinations of each were evaluated for abilities to reduce pink color development in cooked, ground, uncured turkey breast. Protein treatments were also evaluated in the presence of pink-color-generating ligands (nicotinamide, 1%, sodium nitrite, 10 ppm, and sodium nitrate, 50 ppm) with and without ethylenedinitrilo-tetraacetic acid disodium salt (200 ppm). NFDM and WPC at levels as low as 1.5% were effective in reducing CIE a* values (P < 0.05) regardless of ligand treatment; SC was not. EDTA reduced pink color within all protein and ligand treatments. Poultry producers can reduce pink color development in further-processed products by selective addition of dairy proteins. [source]

Synthesis and crosslinking reaction of poly(hydroxyurethane) bearing a secondary amine structure in the main chain

JOURNAL OF POLYMER SCIENCE (IN TWO SECTIONS), Issue 23 2005
Bungo Ochiai
Abstract This article describes the polyaddition of bifunctional five-membered cyclic carbonates and diethylenetriamine. The polyaddition proceeded via the selective addition of the primary amino group to the cyclic carbonates to give poly(hydroxyurethane)s bearing a secondary amine structure in the main chain. The resulting poly (hydroxyurethane) having a secondary amine structure was crosslinked by a reaction with a bifunctional dithiocarbonate to give a networked poly(hydroxyurethane,mercaptothiourethane). © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 43: 5899,5905, 2005 [source]