Regioselective one-step synthesis of pyrazoles from alkynes and N-tosylhydrazones: [3+2] dipolar cycloaddition/[1,5] sigmatropic rearrangement cascade.

Regioselective one-step synthesis of pyrazoles from alkynes and N-tosylhydrazones: [3+2] dipolar cycloaddition/[1,5] sigmatropic rearrangement cascade.

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http://www.wikidata.org/entity/Q46695317
New Approaches to the Synthesis of Metal Carbenes.N-Tosylhydrazones: versatile synthons in the construction of cyclic compounds.Synthesis of spiro-4H-pyrazole-oxindoles and fused 1H-pyrazoles via divergent, thermally induced tandem cyclization/migration of alkyne-tethered diazo compounds.Copper- or Thermally Induced Divergent Outcomes: Synthesis of 4-Methyl 2H-Chromenes and Spiro-4H-Pyrazoles.The diaza-Nazarov cyclization involving a 2,3-diaza-pentadienyl cation for the synthesis of polysubstituted pyrazoles.[3 + 2] cycloaddition and subsequent oxidative dehydrogenation between alkenes and diazo compounds: a simple and direct approach to pyrazoles using TBAI/TBHP.AgNO2-mediated cleavage of the N-N bond of sulfonylhydrazones and oxygen transfer: access to fulleroisoxazolines via radical cyclization with [60]fullerene.Practical synthesis of pyrazoles via a copper-catalyzed relay oxidation strategy.Enantioselective Rhodium(I) Donor Carbenoid-Mediated Cascade Triggered by a Base-Free Decomposition of Arylsulfonyl Hydrazones.Synthesis of Chiral Pyrazoles: A 1,3-Dipolar Cycloaddition/[1,5] Sigmatropic Rearrangement with Stereoretentive Migration of a Stereogenic Group.Base-Promoted/Gold-Catalyzed Intramolecular Highly Selective and Controllable Detosylative Cyclization.Selective synthesis of 4-(sulfonyl)-methyl-1H-pyrazoles and (E)-4,5-dihydro-1H-pyrazoles from N-allenic sulfonylhydrazones.
P2860

Regioselective one-step synthesis of pyrazoles from alkynes and N-tosylhydrazones: [3+2] dipolar cycloaddition/[1,5] sigmatropic rearrangement cascade.

Item
http://www.wikidata.org/entity/Q46695317
description
2013 nî lūn-bûn
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2013年の論文
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2013年学术文章
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2013年学术文章
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2013年学术文章
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2013年学术文章
@zh-my
2013年学术文章
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@yue
2013年學術文章
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name
Regioselective one-step synthe ...... atropic rearrangement cascade.
@en
Regioselective one-step synthe ...... atropic rearrangement cascade.
@nl
type
label
Regioselective one-step synthe ...... atropic rearrangement cascade.
@en
Regioselective one-step synthe ...... atropic rearrangement cascade.
@nl
prefLabel
Regioselective one-step synthe ...... atropic rearrangement cascade.
@en
Regioselective one-step synthe ...... atropic rearrangement cascade.
@nl
P1433
P1476
P2093
P2860
P304
P31
P356
P407
P433
P478
P577
P698
P921
P356
P1433
P1476
Regioselective one-step synthe ...... atropic rearrangement cascade.
@en
P2093
P2860
P304
P31
P356
P407
P433
P478
P577
P698
P921