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A propos de cet article
Formule empirique (notation de Hill) :
C8H5N3O2
Numéro CAS:
Poids moléculaire :
175.14
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
EC Number:
224-191-7
Beilstein/REAXYS Number:
141548
MDL number:
Assay:
97%
Form:
solid
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Laissez-nous vous aiderInChI key
ISULLEUFOQSBGY-UHFFFAOYSA-N
InChI
1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H
SMILES string
O=C1N=NC(=O)N1c2ccccc2
assay
97%
form
solid
mp
165-170 °C (dec.) (lit.)
storage temp.
2-8°C
Quality Level
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Catégories apparentées
Application
4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) can be used as an efficient and selective reagent for the oxidation of thiols to disulfides.
It can also be used:
It can also be used:
- As a dehydrogenating agent to synthesize annulated dihydropyridazines by inverse [4+2] cycloaddition reaction between cyclic alkenes and 1,2,4,5-tetrazines.
- As a dienophile to synthesize cycloaddition products by fast hetero-Diels−Alder reactions.
- As an efficient oxidizing agent for the synthesis of pyridine derivatives from 1,4-dihydropyridines.
- In the synthesis of urazoles via [3+2] cycloaddition with allylsilanes.
Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Rebecca L Grange et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(29), 8894-8903 (2010-06-24)
A detailed examination of [4+2] cycloaddition reactions between 1,8-disubstituted cyclooctatetraenes and diazo compounds revealed that 4-phenyl-1,2,4-triazole-3,5-dione (PTAD) reacts to form either 2,3- or 3,4-disubstituted adducts. The product distribution can be controlled by modulating the electron density of the cyclooctatetraene. Unprecedented
4-Phenyl-1, 2, 4-triazoline-3, 5-dione: a novel dehydrogenating agent for dihydropyridazines
Klindert T and Seitz G
Synthetic Communications, 26(13), 2587-2596 (1996)
B Yeung et al.
Biochemical pharmacology, 49(8), 1099-1710 (1995-04-18)
1,25-Dihydroxy-16-ene vitamin D3 is a synthetic analog of 1,25-dihydroxyvitamin D3, the most physiologically active metabolite of vitamin D3. The renal metabolism of 1,25-dihydroxy-16-ene vitamin D3 had been studied previously using a perfused rat kidney system [Reddy et al., Bioorg Med
K Søndergaard et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 7(11), 2324-2331 (2001-07-12)
The 5-aza-6-deoxy analogue of castanospermine (+/-)-5a and its 1-epimer (+/-)-5b was synthesized. The synthesis started from the known compound 5-benzyloxy-7-hydroxyhepta-1,3-diene, which was protected and subjected to Diels-Alder reaction with 4-phenyl-1,2,4-triazoline-3,5-dione to give two epimeric adducts. One of these was transformed
4-Phenyl-1, 2, 4-triazole-3, 5-dione as a novel and reusable reagent for the aromatization of 1, 4-dihydropyridines under mild conditions
Zolfigol MA, et al.
Tetrahedron Letters, 46(33), 5581-5584 (2005)
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