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Featured researches published by Ichiro Shinkai.


Tetrahedron | 1996

NEW RING SYSTEMS FROM 1,2-BENZISOTHIAZOLE-1,1-DIOXIDES AND RELATED COMPOUNDS

R. A. Abramovitch; Ichiro Shinkai; Babu Mavunkel; Kundalika M. More; Sean P. O'Connor; Gino H. C. Ooi; William T. Pennington; Panayencheri C. Srinivasan; James R. Stowers

Abstract Ring-expansions and ring-annulations based on 3-substituted 1,2-benzisothiazole-1,1-dioxides have lead to a variety of novel heterocyclic systems. The reaction of 3-substituted (1 H )-1-isoindolones with 1-diethylamino-1-propyne has also resulted in new, ring-expanded molecules in good to modest yields.


Journal of the American Chemical Society | 1974

Reaction of pyridine 1-oxides with benzyne. .beta.-Hydroxyarylation of pyridines via {.sigma.2s + .pi.2a + .pi.4s rearrangements

R. A. Abramovitch; Ichiro Shinkai


Journal of the American Chemical Society | 1976

Alkylation of pyridine 1-oxides and related compounds with activated acetylenes. A novel molecular rearrangement of heteroaromatic N-oxides

R. A. Abramovitch; George Grins; Richard B. Rogers; Ichiro Shinkai


Accounts of Chemical Research | 1976

Aromatic substitution via new rearrangements of heteroaromatic N-oxides

R. A. Abramovitch; Ichiro Shinkai


Journal of the American Chemical Society | 1975

Consecutive 3,5 shifts in pyridine 1-oxide rearrangements. One-step furopyridine synthesis

R. A. Abramovitch; Ichiro Shinkai


ChemInform | 1976

ALKYLATION OF PYRIDINE 1‐OXIDES AND RELATED COMPOUNDS WITH ACTIVATED ACETYLENES. A NOVEL MOLECULAR REARRANGEMENT OF HETEROAROMATIC N‐OXIDES

R. A. Abramovitch; George Grins; Richard B. Rogers; Ichiro Shinkai


ChemInform | 1975

CONSECUTIVE 3,5 SHIFTS IN PYRIDINE 1-OXIDE REARRANGEMENTS. ONE-STEP FUROPYRIDINE SYNTHESIS

R. A. Abramovitch; Ichiro Shinkai


Journal of Heterocyclic Chemistry | 1976

A new ring transformation of 3-halo-2-azidopyridine 1-oxides. A novel synthesis of 1,2-oxazin-6-ones

R. A. Abramovitch; Ichiro Shinkai; Berkeley W. Cue; Francis A. Ragan; Jerry L. Atwood


ChemInform | 1976

AROMATIC SUBSTITUTION VIA NEW REARRANGEMENTS OF HETEROAROMATIC N-OXIDES

R. A. Abramovitch; Ichiro Shinkai


ChemInform | 1988

The Reaction of 4-Chloropyridine 1-Oxides with Activated Acetylenes. A Convenient One-Step Synthesis of Furo(3,2-c)pyridines.

R. A. Abramovitch; A. Deeb; D. Kishore; G. B. W. Mpango; Ichiro Shinkai

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