Enone olefin [2+ 2] photochemical cycloadditions

MT Crimmins, TL Reinhold - Organic Reactions, 2004 - Wiley Online Library
Abstract The photochemical [2+ 2] cycloaddition reaction of alkenes to enones, the light‐
induced cycloaddition of an excited state enone to a ground state alkene to produce a …

The Tetrafluoroethylene-Mediated Ring-Closing Metathesis: Enabling Unfavored Reactions

M Akiyama, Y Amabe, M Sugiyama… - Journal of the …, 2024 - ACS Publications
While ring-closing metathesis (RCM) is a powerful method for constructing medium and
large cyclic alkenes, its application to the synthesis of heterocycles faces considerable …

Two-carbon ring expansion through free cyclobutylcarbinyl radical fragmentation

BC Ranu, AR Das - Journal of the Chemical Society, Perkin …, 1994 - pubs.rsc.org
Two-carbon Ring Expansion through Free Cyclobutylcarbinyl Radical Fragmentation Page 1
J. CHEM. SOC. PERKIN TRANS. 1994 92 1 Two-carbon Ring Expansion through Free …

A simple and efficient route towards usefully functionalised six and seven-membered ring systems via α-hydroxycyclobutane rearrangement followed by retroaldol …

BC Ranu, DC Sarkar, MK Basu - Tetrahedron, 1989 - Elsevier
Acid-catalysed rearrangement of α-hydroxycyclobutane derivative 10 followed by retroaldol
cleavage and oxidation in an one-pot operation furnishes 18-methyl-1α, 4α-cycloheptane …

Molecular Rearrangements

AW Murray - Org. React. Mech, 2003 - Wiley Online Library
A theoretical study has been carried out on the reactivity of the phenyl cation with a propyl
group at the ortho position. 1 Alkenyl (phenyl) iodonium tetrafluoroborates have been found …

1. Cycloaddition Reactions.

WM Horspool - Photochemistry: Volume 19, 2007 - books.google.com
Several examples of intramolecular additions involving cyclopentenones have been
published during the period of this review. Thus (2+ 2)-cycloaddition in the enones (5) and …

[PDF][PDF] 1, 4, 6, 9-Tetra-tert-butyl-2, 7-dioxatricyclo [6.3. 0.03, 6] deca-3, 8-diene

TS Sorensen, SM Humayaun Kabir… - … Section E: Structure …, 2013 - journals.iucr.org
organic compounds Page 1 1,4,6,9-Tetra-tert-butyl-2,7-dioxatricyclo[6.3.0.0 ]deca-3,8-diene Ted
S. Sorensen, S. M Humayaun Kabir and Masood Parvez* Department of Chemistry, The …

Addition Reactions: Cycloaddition

RM Paton - Organic Reaction Mechanisms 1982: An annual …, 2008 - books.google.com
The trend noted 'in recent years for an increasing proportion of the work on cycloaddition
reactions to be aimed at synthetic rather than mechanistic targets has continued …

1, 4‐Dioxene

MM Kreilein - Encyclopedia of Reagents for Organic Synthesis, 2001 - Wiley Online Library
Abstract InChI= 1S/C4H6O2/c1‐2‐6‐4‐3‐5‐1/h1‐2H, 3‐4H2 InChIKey= HIZVCIIORGCREW‐
UHFFFAOYSA‐N (used to introduce carbonyl groups with varying degrees of oxygenation; …

[CITACE][C] 1, 4‐Dioxene: (2, 3‐Dihydro‐1, 4‐dioxin)

MM Kreilein, JC Eppich, LA Paquette - Organic Syntheses, 2003 - Wiley Online Library
Abstract Lead tetracetate 1, 4‐Dioxane 2‐Acetoxy‐1, 4‐dioxane 1, 4‐Dioxene