Results 41 to 50 of about 266,703 (209)

Facile and One-pot Synthesis of Nα-fmoc/bsmoc/boc/z-protected Ureidopeptides and Peptidyl Ureas Employing Diphenylphosphoryl Azide [DPPA] [PDF]

open access: yes, 2008
Diphenylphosphoryl azide (DPPA) mediated one-pot synthesis of Nα-Fmoc/Bsmoc/Boc/Z-protected ureidopeptides and peptidyl ureas as well as phenyl/succinimidyl (Nα-urethane protected) methyl carbamates starting from Nα-protected amino acids is reported. The
Chennakrishnareddy, G.   +2 more
core   +3 more sources

Novel N-benzyl-2-oxo-1,2-dihydrofuro [3,4-d]pyrimidine-3(4H)-carboxamide as anticancer agent: Synthesis, drug-likeness, ADMET profile, DFT and molecular modelling against EGFR target

open access: yesHeliyon, 2023
A novel compound N-benzyl-2-oxo-1,2-dihydrofuro [3,4-d]pyrimidine-3(4H)-carboxamide (DHFP) was synthesized by addition, rearrangement, and intramolecular cyclization reactions.
Ayşen Şuekinci Yılmaz   +1 more
doaj  

[(Cp-R)M(CO)3] (M= Re or 99mTc) Conjugates for Theranostic Receptor Targeting

open access: yesCHIMIA, 2013
Cyclopentadienyl complexes of 99mTc became accessible via a retro Diels-Alder synthetic approach of dimerized cyclopentadiene derivatives. So far, this approach was limited to derivatives comprising a carboxylic acid group, directly conjugated ...
Daniel Can   +4 more
doaj   +1 more source

Crystal structures of 1′-aminocobaltocenium-1-carboxylic acid chloride monohydrate and of its azo dye 1′-[2-(1-amino-2,6-dimethylphenyl)diazen-1-yl]cobaltocenium-1-carboxylic acid hexafluoridophosphate monohydrate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
1′-Aminocobaltocenium-1-carboxylic acid chloride, [Co(C5H6N)(C6H5O2)]Cl·H2O, (3), and its azo derivative 1′-[2-(1-amino-2,6-dimethylphenyl)diazen-1-yl]cobaltocenium-1-carboxylic acid hexafluoridophosphate, [Co(C13H14N3)(C6H5O2)]PF6·H2O (5) were obtained ...
Markus Jochriem   +3 more
doaj   +1 more source

T3P® (propylphosphonic anhydride) Mediated Conversion of Carboxylic Acids into Acid Azides and one-pot Synthesis of Ureidopeptides [PDF]

open access: yes, 2010
A general, mild, efficient, and environmentally benign protocol, which makes use of T3P® as an acid activating agent for the direct synthesis of acid azides from carboxylic acids is described.
Basavaprabhu, .   +3 more
core   +1 more source

Synthetic approaches to coronafacic acid, coronamic acid, and coronatine [PDF]

open access: yes, 2016
The phytotoxin coronatine (COR) is a functional mimic of the active plant hormone (+)-7-iso-jasmonoyl-l-isoleucine (JA-IIe), which regulates stress responses.
Frye, Elizabeth C.   +5 more
core   +1 more source

Synthesis of peptidyl ureas using p-​nitrophenyl (9-​fluorenylmethoxycarbonylamino)​methylcarbamate derivatives [PDF]

open access: yes, 2004
Carbamates Fmoc-​NHCHRNHCO2C6H4NO2-​p (Fmoc is 9-​fluorenylmethoxycarbonyl, R is an amino acid side chain) were prepd. using isocyanates derived from Fmoc-​amino acid azides and p-​nitrophenol in the presence of an equimolar quantity of N ...
Babu Vommina V Suresh, .   +2 more
core   +1 more source

Boranes in Organic Chemistry 2. ОІ-Aminoalkyl- and ОІ-Sulfanylalkylboranes in Organic Synthesis

open access: yesEurasian Chemico-Technological Journal, 2002
Problems on using of ОІ-aminoalkyl- and ОІ-sulfanylalkylboranes in organic synthesis are considered in this review. The synthesis of boron containing a-aminoacids by Curtius rearrangement draws attention.
V.M. Dembitsky   +2 more
doaj   +1 more source

2-((Diphenylmethylene)amino)ethyl N-(Cyclohexyl)carbamate

open access: yesMolbank
Lipid-like nanoparticles (LLNPs) have been shown to be an effective encapsulation and delivery tool for therapeutic molecules. While the preclinical development of lipid nanoparticle formulations has been of paramount importance, next-generation LLNPs ...
Bailey N. Baxter   +8 more
doaj   +1 more source

The Thermal and Photolytic Rearrangements of Isatoic Acid Diazide [PDF]

open access: yes, 1974
The primary objective of this research has been the thermolysis and photolysis of isatoic acid diazide 1. Thermolysis in low boiling solvents produced the acylazido benzimidazolone 10, while refluxing in high boiling solvents gave rise to the ...
Ciereszko, Ana Alejandre
core   +2 more sources

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