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Your search keyword '"Julián Alonso"' showing total 4 results
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4 results on '"Julián Alonso"'

1. ChemInform Abstract: Boron Trifluoride-Methanol Complex. Mild and Powerful Reagent for Deprotection of Acetylated Amines. Scope and Selectivity

Author

Vladimir Karavan, Julián Alonso-Chamarro, Alexandr Misharev, Sergey Miltsov, and Mar Puyol

Subjects
Steric effects, chemistry.chemical_compound, chemistry, Acetylation, Reagent, chemistry.chemical_element, General Medicine, Methanol, Selectivity, Boron, Combinatorial chemistry, Acetanilide, Boron trifluoride
Abstract

A boron trifluoride–methanol complex demonstrated remarkable deprotection selectivity against commonly used amino-protecting groups in the deacetylation of acetanilides and high sensitivity to the steric hindrance of substrates. The scope and limitations of the reaction were explored.

Published
2016
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2. ChemInform Abstract: New Cyanine Dyes: Norindosquarocyanines

Author

Cristina Encinas, Julián Alonso, and Serguei Miltsov

Subjects
Absorbance, chemistry.chemical_compound, chemistry, General Medicine, Cyanine, Photochemistry
Abstract

Synthesis of new acidochromic-based dyes is presented. The dyes obtained have acid absorbance maxima at 640–700 nm and expose spectral changes in the pH-range from 8 to 12.

Published
2010
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3. ChemInform Abstract: Novel Synthesis of Ketocyanine Dyes

Author

Serguei Miltsov, Cristina Encinas, and Julián Alonso

Subjects
Chemistry, Ph range, Organic chemistry, Protonation, General Medicine
Abstract

New one-step synthesis of ketocyanine dyes is presented. The dyes obtained expose spectral changes in pH range from 1.7 to 4.3 and their protonated forms absorb at 715–750 nm.

Published
2010
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