Comments on: The Cope and Claisen Rearrangements https://www.masterorganicchemistry.com/2019/11/14/the-cope-and-claisen-rearrangements/ Sat, 18 Apr 2026 00:50:26 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: James Ashenhurst https://www.masterorganicchemistry.com/2019/11/14/the-cope-and-claisen-rearrangements/#comment-781239 Wed, 19 Nov 2025 20:30:10 +0000 https://www.masterorganicchemistry.com/?p=13763#comment-781239 In reply to Shuo Yang.

That is a great point. Thanks – on my fix list, will get fixed within 48h.

]]> By: Shuo Yang https://www.masterorganicchemistry.com/2019/11/14/the-cope-and-claisen-rearrangements/#comment-781024 Tue, 18 Nov 2025 03:02:57 +0000 https://www.masterorganicchemistry.com/?p=13763#comment-781024 Hello James, regarding the first quiz (where the ortho position is blocked), in the first arrow-pushing diagram, the arrow shows the O–C bond breaking and forming a new C=C pi bond. Since oxygen is more electronegative, my textbook, By Brown et al., also shows such arrow pushing. But shouldn’t the electron pair always move from C-C toward oxygen to form a C–O bond instead?

]]> By: Prince Jnr https://www.masterorganicchemistry.com/2019/11/14/the-cope-and-claisen-rearrangements/#comment-666558 Sun, 13 Aug 2023 14:11:39 +0000 https://www.masterorganicchemistry.com/?p=13763#comment-666558 Thank you James for your concise and easy to understand notes on important topics that seems difficult for most undergrads. You’re doing a great job man.
God bless you with more wisdom,energy and every good thing to continue creating amazing content for us.Stay blessed.

]]> By: Dalitso Banda https://www.masterorganicchemistry.com/2019/11/14/the-cope-and-claisen-rearrangements/#comment-588501 Fri, 20 Nov 2020 23:16:20 +0000 https://www.masterorganicchemistry.com/?p=13763#comment-588501 Thanks so much for this publishing this lesson. I have learnt alot.

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