Results 121 to 130 of about 2,492 (186)

Maintain, not obtain: rethinking HIV care in sub-Saharan Africa in the era of dolutegravir. [PDF]

open access: yesFront Public Health
Perno CF   +11 more
europepmc   +1 more source

Synthesis of New 1,3-Disubstituted-2,3-dihydro-1H-naphth[1,2e][1,3]oxazines

open access: yesMolecules, 2007
1,3-Disubstituted-2,3-dihydro-1H-naphth[1,2-e][1,3]oxazines were prepared through the ring-closurereactions of the aminobenzylnaphthols with substituted aryl-andheteroarylaldehydes.
Zühal Turgut, Emel Pelit
exaly   +3 more sources
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Chromogenic Oxazines for Cyanide Detection

The Journal of Organic Chemistry, 2005
[reaction: see text] We have designed two heterocyclic compounds for the colorimetric detection of cyanide. The skeleton of both molecules fuses a benzooxazine ring to an indoline fragment and can be assembled efficiently in three synthetic steps starting from commercial precursors.
Tomasulo M   +3 more
openaire   +2 more sources

Fluorescence activation with switchable oxazines

Chemical Communications, 2018
Activatable fluorophores allow the spatiotemporal control of fluorescence required to acquire subdiffraction images, highlight cancer cells and monitor dynamic ...
Yang Zhang   +4 more
openaire   +2 more sources

1,3-Oxazine Derivatives

1963
Publisher Summary This chapter discusses the methods of preparation and chemical properties of 1,3-oxazine derivatives. One of the derivatives discussed is tetrahydro-1,3-oxazines. The methods employed for the preparation of tetrahydro-1,3-oxazines include cyclization, hydrogenation, or other addition to the double bond of unsaturated 1,3-oxazines ...
Z, ECKSTEIN, T, URBANSKI
openaire   +2 more sources

Insights into the isomerization of photochromic oxazines from the excitation dynamics of BODIPY–oxazine dyads

Physical Chemistry Chemical Physics, 2012
We synthesized five BODIPY-oxazine dyads in one to four synthetic steps from known precursors. They differ in the nature of the unsaturated spacer linking the oxazine photochrome to either the conjugated framework or the boron center of the BODIPY fluorophore.
Deniz E   +4 more
openaire   +2 more sources

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