Intramoleculare (4+2)-cycloadditionen mit inversem elektronenbedarf

Schuster, H.; Sauer, Jürgen

doi:10.1016/s0040-4039(00)88268-4

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2 Oligocyclopropenyl Systems1

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2009

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Cited by 19 publications

(1 citation statement)

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“…Such [4 + 2] cycloadditions of 3,3‘-bicyclopropenyls were also performed with triazines, α-pyrons, 1,3,4-oxadiazoles, and unsymmetrically substituted tetrazines …”

Section: 2 Oligocyclopropenyl Systemsmentioning

confidence: 99%

Three-Membered-Ring-Based Molecular Architectures

2006

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“…Such [4 + 2] cycloadditions of 3,3‘-bicyclopropenyls were also performed with triazines, α-pyrons, 1,3,4-oxadiazoles, and unsymmetrically substituted tetrazines …”

Section: 2 Oligocyclopropenyl Systemsmentioning

confidence: 99%

Three-Membered-Ring-Based Molecular Architectures

2006

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The Retro–Diels–Alder Reaction PartII. Dienophiles with One or More Heteroatom

Rickborn

1998

Organic Reactions

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This review (Part II) is topically organized around the dienophile that is generated in a retro [4 + 2] reaction, and to the extent possible follows the principles adopted for Part I, which covers reactions in which both dienophile bonding centers are carbon atoms. The present chapter encompasses retro–Diels–Alder (rDA) reactions in which one or both of the dienophile reaction centers are heteroatoms. Any of the other atoms in the starting material (cycloadduct) may be carbon or heteroatom. Substituents on all positions are encompassed, and any bond order available to any oxidation state of an element is included, as is bonding to non‐nearest neighbor atoms (e.g., bicyclics). The reader is directed to Part I (Vol. 52) for general discussion of the rDA reaction, the features that affect rates and outcome, and the use of acids, bases, other catalysts, and scavengers. Certain subclassifications (e.g., processes proposed under MS conditions, polymer applications) of rDA reactions have been omitted from both sections; these topics are listed in the Introduction to Part I. Citations to over 100 reviews on various aspects of the rDA reaction are collected at the beginning of the References to Part I. Those that are especially pertinent to Part II will be repeated here, in the context of the particular dienophile under discussion. The decision to split the review of the rDA reaction into two parts was based on the volume of literature encountered, as outlined in the Introduction to Part I. Active literature searching was concluded for both Parts in April 1995, although occasional more recent references have been included.

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The Photochemistry of the Hydrazo, Azo and Azoxy Groups

Horspool

2009

Patai's Chemistry of Functional Groups

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Intramoleculare (4+2)-cycloadditionen mit inversem elektronenbedarf

Cited by 19 publications

References 6 publications

Three-Membered-Ring-Based Molecular Architectures

Three-Membered-Ring-Based Molecular Architectures

The Retro–Diels–Alder Reaction PartII. Dienophiles with One or More Heteroatom

The Photochemistry of the Hydrazo, Azo and Azoxy Groups

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