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1 article(s) from Quirós, M Teresa

Gold-catalyzed oxycyclization of allenic carbamates: expeditious synthesis of 1,3-oxazin-2-ones

Benito Alcaide,
Pedro Almendros,
M. Teresa Quirós and
Israel Fernández

Beilstein J. Org. Chem. 2013, 9, 818–826, doi:10.3762/bjoc.9.93

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Scheme 1: Preparation of allenic carbamates 2a–j. Reagents and conditions: (i) Propargylamine, MgSO₄, CH₂Cl₂,...

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Scheme 2: Controlled oxycyclization reactions of allenic carbamates 2 to 1,3-oxazinan-2-ones 3 and 1,3-oxazin...

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Scheme 3: Possible explanation for the gold-catalyzed isomerization reaction of 1,3-oxazinan-2-one 3a into 1,...

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Scheme 4: Mechanistic explanation for the gold-catalyzed oxycyclization reactions of allenic carbamates 2 int...

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Figure 1: Computed reaction profile for the reaction of AuPMe₃⁺ and 1M. Numbers indicate the corresponding PC...

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Published 26 Apr 2013

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