![Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters](https://pubs.acs.org/cms/10.1021/ol2016934/asset/images/medium/ol-2011-016934_0003.gif)
Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters
![Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters](https://pubs.acs.org/cms/10.1021/ol2016934/asset/images/medium/ol-2011-016934_0001.gif)
Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters
Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters
![In memory of Prof. Venkataraman: Recent advances in the synthetic methodologies of flavones - ScienceDirect In memory of Prof. Venkataraman: Recent advances in the synthetic methodologies of flavones - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0040402017313364-fx1.jpg)
In memory of Prof. Venkataraman: Recent advances in the synthetic methodologies of flavones - ScienceDirect
![Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters Synthesis of γ-Benzopyranone by TfOH-Promoted Regioselective Cyclization of o-Alkynoylphenols | Organic Letters](https://pubs.acs.org/cms/10.1021/ol2016934/asset/images/large/ol-2011-016934_0002.jpeg)