Topic
Triazene
About: Triazene is a research topic. Over the lifetime, 759 publications have been published within this topic receiving 8714 citations. The topic is also known as: Triazene cleavage & 1-triazene.
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TL;DR: In this paper, the dielectric constants, densities, and refractive indices of dilute benzene solutions have been used to obtain the experimental dipole moments of 1,3-diphenyltriazene (1a), 1, 3-dimethyl-5-isoxazolyl)-3-phenyltrizene (IIIb) and its N -methyl derivative (IIIc).
8 citations
Patent•
13 Mar 1962
TL;DR: In this article, a light-sensitive material comprises a support bearing a colloid layer containing an aldehyde in admixture with a diazonium compound of formula in which R1 is alkyl, aryl, aralkyl, cyclo-alkyl or heterocyclic, and n is 1 or 2, which reacts with a secondary amine of formula R4-NH-R3.
Abstract: 1,069,366. Photographic materials. KALLE A. G. Sept. 25, 1964 [Sept. 26, 1963], No. 39246/64. Addition to 998, 838. Heading G2C. A light-sensitive material comprises a support bearing a colloid layer containing an aldehyde in admixture with a diazonium compound of formula in which R1 is alkyl, aryl, aralkyl, cycloalkyl, or heterocyclic, R2 is hydrogen, halogen, alkyl, alkoxy, nitro or carboxyl and n is 1 or 2, which reacts with a secondary amine of formula R4-NH-R3 (where R3 and R4 are alkyl, cycloalkyl, aralkyl or aryl groups which may contain carboxylic or sulphuric acid salts or if aryl, inert substituent groups, or R2 and R4 together complete a heterocyclic ring which may contain a carboxylic acid substituent or be fused with an aromatic nucleus) to form a triazene, the ratio of aldehyde to diazonium compound being 0A8 to 20:1. On imagewise exposure to light and development an offset printing plate is produced. Printed circuits may be produced by using a copper foil laminated to paper as a support and screen stencils are produced by using a polycaprolactam or glass fibre cloth or a metal gauze. Specified colloids for the diazonium layer are polyvinyl alcohol, epoxy resin and sodium carboxymethylcellulose.
8 citations
TL;DR: In this paper, the reaction of 2-bromoaniline with sodium nitrite affords a triazenido compound, 1,3-bis[(2bromo)benzene]triazene (HL).
Abstract: The reaction of 2-bromoaniline with sodium nitrite affords a triazenido compound, 1,3-bis[(2-bromo)benzene]triazene (HL). Spectroscopic investigations show that HL bears a high selectivity for silv...
8 citations
8 citations
TL;DR: In this paper, the synthesis of 1-[4-(m-tolyl)amino-6-quinazolinyl]-3-[14C]-methyl triazene (SMA41) was described.
Abstract: The synthesis of 1-[4-(m-tolyl)amino-6-quinazolinyl]-3-[14C]-methyl triazene (SMA41) is described. This triazene was designed to be hydrolyzed under physiological conditions to N4-m-tolyl-quinazoline-4,6-diamine (SMA52), a moderate inhibitor of the epidermal growth factor receptor (EGFR) and the DNA alkylating species [14C]-methyldiazonium. A radiolabeled probe was needed to test the hypothesis that in situ hydrolysis of SMA41 may induce alkylation of the ATP binding site of EGFR. 14C-SMA41 was obtained with a radiochemical yield of 21% and a specific activity of 54.6 mCi/mmol, as determined by HPLC quantitation and scintillation counting. Radio-TLC analyses showed 98% radiochemical purity. Copyright © 2003 John Wiley & Sons, Ltd.
8 citations