Results 61 to 70 of about 8,425 (228)

Utjecaj izloženosti 1,6-heksametilen diizocijanatu (HDI) na vršni ekspiratorni protok u autolakirera u Iranu [PDF]

, 2010
The aim of this study was to investigate the effects of occupational exposure to 1,6-hexamethylene diisocyanate (HDI) on peak flowmetry in automobile body paint shop workers in Iran.
A. Musk, A. Pronk, A. Yorgancıoglu, Abdullah Barkhordari, C. Redlich, Ehsanallah Habibi, F. Neukrich, G. Torling, H. Glindmeyer, I. Sari-Minodier, J. Winck, M. Chan-Yeung, Masoud Rismanchiyan, Mohsen Zare, O. Vandenolas, P. Franklin, R. Alexandersson, R. Hauser, S. Mortezavi, S. Pedram Razi, S. Tarlo, S. Woskie, Siyamak Pourabedian, V. Shabanian, Y. Liu   +24 more
core   +3 more sources

Synthesis of N-7-Substituted Purines from Imidazole Precursors

Molecules, 1999
Synthesis of purines and purine mono-1-oxides from the respective 5-substituted 4-nitroimidazole derivatives is described. The commercially available 4-nitroimidazole, in a few simple steps (including Vicarious Nucleophilic Substitution of Hydrogen), was
Stanislaw Ostrowski
doaj   +1 more source

One-step synthesis of imidazoles from Asmic (anisylsulfanylmethyl isocyanide)

Beilstein Journal of Organic Chemistry, 2021
Substituted imidazoles are readily prepared by condensing the versatile isocyanide Asmic, anisylsulfanylmethylisocyanide, with nitrogenous π-electrophiles.
Louis G. Mueller, Allen Chao, Embarek AlWedi, Fraser F. Fleming   +3 more
doaj   +1 more source

The Chemistry of Phenylimidotechnetium(V) Complexes with Isocyanides: Steric and Electronic Factors

Molecules, 2022
Organometallic approaches are of ongoing interest for the development of novel functional 99mTc radiopharmaceuticals, while the basic organotechnetium chemistry seems frequently to be little explored. Thus, structural and reactivity studies with the long-
Guilhem Claude, Laura Zeh, Maximilian Roca Jungfer, Adelheid Hagenbach, Joshua S. Figueroa, Ulrich Abram   +5 more
doaj   +1 more source

Complementary regioselectivity in the synthesis of iminohydantoins: remarkable effect of amide substitution on the cyclization [PDF]

, 2013
Complementary regioselective synthesis of iminohydantoins from isocyanoacetamides controlled by the substituent on the amide group has been described.
García Valverde, María, González Ortega, Alfonso ., Marcaccini, Stefano ., Rodríguez Vidal, Francisco Javier, Rojo Cámara, Mª Josefa, Torroba Pérez, Tomás   +5 more
core   +1 more source

Aurophilic Interactions in Cationic Three-Coordinate Gold(I) Bipyridyl/Isocyanide Complex

Crystals, 2022
Gold(I) isocyanide complexes featuring Au···Au interactions attract considerable attention because of their tunable photophysical properties. Although the synthetic exploration of isocyanide gold(I) complexes seems reasonable, their structural diversity ...
Mariya V. Grudova, Alexander S. Novikov, Alexey S. Kubasov, Victor N. Khrustalev, Anatoly A. Kirichuk, Valentine G. Nenajdenko, Alexander G. Tskhovrebov   +6 more
doaj   +1 more source

Insertion of isocyanides into zirconium-alkyl bonds of di-ansa-zirconocene complexes. X-ray molecular structure of [Zr{(SiMe2)2(η5-C5H3))Cl(η2-C(i-Pr)N(2,6-Me2C6H3)}] [PDF]

, 1997
New dicyclopentadienyl iminoacyl zirconium complexes have been prepared and characterized by NMR spectroscopy. The reaction of [Zr{SiMe2)2(η5-C5H3)2)Me2] with CNR (R  2,6-Me2C6H3, t-Bu) yields [Zr((SiMe2)2(η5-C5H3)2Me(η2-CMeNR)] (R = 2,6-Me2C6H3, t-Bu),
Barriola, Antonio M., Cano Sierra, Ana María, Cuenca Agreda, Tomás, Fernández Álvarez, Francisco José, Gómez Sal, Ma Pilar, Manzanero Castillo, Antonio, Royo Gracia, Pascual   +6 more
core   +3 more sources

Dehydroabietylamine derived bistetrazoles from ultrasound-assisted pseudo-seven-component Ugi reactions act as efficient and selective inhibitors of cholinesterases

European Journal of Medicinal Chemistry Reports
The reaction of dehydroabiethylamine (DHA) with isocyanides and formaldehyde produces varying products depending on the conditions employed. In a 4-component Ugi reaction using benzyl isocyanide, paraformaldehyde, and TMS-azide, the anticipated tetrazole
Niels V. Heise, Antonia Schmidt, Jördis-Ann Schüler, René Csuk   +3 more
doaj   +1 more source

Synthesis of 6-Membered-Ring Fused Thiazine-Dicarboxylates and Thiazole-Pyrimidines via One-Pot Three-Component Reactions

Molecules, 2021
A facile and efficient one-pot three-component reaction method for the synthesis of thiazine-dicarboxylates is reported. Reaction of an isocyanide and dialkyl acetylenedicarboxylate with 2-amino-4H-1,3-thiazin-4-one derivatives containing both an acidic ...
Reagan L. Mohlala, Elena Mabel Coyanis, Muhammad Q. Fish, Manuel A. Fernandes, Moira L. Bode   +4 more
doaj   +1 more source

Azetidinylideneketenimines as a Multimodal Synthetic Platform: Coordination Chemistry and Cycloaddition‐Triggered Transformations

Angewandte Chemie International Edition, EarlyView.
Cross‐coupling/homologation sequence between a stable three‐membered‐ring carbene and isocyanides enables facile and rapid access to novel methyleneketenimines and the first bis(methyleneketenimine). Reactivity studies gave rise to the first methyleneketenimine‐transition metal complexes, unique multimodal reactivity ranging from CO2, isocyanate ...
Taichi Koike, Keisuke Ito, Shintaro Ishida, Takeaki Iwamoto   +3 more
wiley   +1 more source