What question did this study set out to answer?

To comprehensively survey and organize advancements in regio- and stereoselective olefin [2 + 2] photocycloaddition reactions for cyclobutane synthesis reported between 1995 and 2015.

March 28, 2016Chemical ReviewsOpen Access

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

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To comprehensively survey and organize advancements in regio- and stereoselective olefin [2 + 2] photocycloaddition reactions for cyclobutane synthesis reported between 1995 and 2015.
Reviewed synthetic literature from 1995 to 2015 focusing on synthetically relevant [2 + 2] photocycloadditions.
Classified transformations according to underlying reaction mechanisms, distinct substrate classes, and catalytic systems, including direct excitation, sensitization, copper(I) catalysis, and photoinduced electron transfer.
Direct photochemical excitation and sensitization enable broad access to complex cyclobutanes across diverse photochemically excited olefin families.
Copper(I) catalysis and photoinduced electron transfer mechanisms significantly broaden the reaction scope while enhancing control over regio- and stereoselectivity.

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Implication

Review reveals advancements in regio- and stereoselective cyclobutane synthesis across diverse olefin classes, highlighting versatile mechanistic and catalytic pathways.

Cite This Study

Poplata et al. (2016) studied this question.

synapsesocial.com/papers/69df3f3a35659245ec614606 https://doi.org/10.1021/acs.chemrev.5b00723

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Implication

Review reveals advancements in regio- and stereoselective cyclobutane synthesis across diverse olefin classes, highlighting versatile mechanistic and catalytic pathways.

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

Key Points

Discussion

Implication

Cite This Study

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

Key Points

Discussion

Implication

Cite This Study

Also Consider

Also Consider

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

Key Points

Discussion

Implication

Cite This Study

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

Key Points

Discussion

Implication

Cite This Study

Also Consider

Also Consider

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions

Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions