Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 1782

For questions concerning all aspects of pericyclic reactions, their use in synthesis, and the orbital analyses used to describe them.

1 vote

Cis Orientation of dienophiles orientation of groups maintained in Diels Alder

To answer you question, imagine (or: build a molecular model) that the newly formed six-membered ring may be simplified as a flat disk. Then either you start with a (trans)-configurated diene, as i …
Buttonwood's user avatar
  • 31.4k
11 votes
Accepted

Why is it the middle ring of anthracene which reacts in a Diels–Alder?

To provide a reason for the observed regioselectivity, it is helpful to draw anthracene's aromatic π-electron system in alternance of single and double bonds. In this instance, it is more beneficial …
Buttonwood's user avatar
  • 31.4k