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Baldwin’s Rules.

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Presentation on theme: "Baldwin’s Rules."— Presentation transcript:

1 Baldwin’s Rules

2 Baldwin’s Rules The rules, summarized below, are based on
reasonable interpretations of stereochemistry, bond distances, and orientation of reacting centers appropriate for the generation of a new bond connection.

3 Tet Trig Dig Baldwin’s Rules EXO ENDO
The rules, summarized below, are based on reasonable interpretations of stereochemistry, bond distances, and orientation of reacting centers appropriate for the generation of a new bond connection. Tet Trig Dig EXO ENDO

4 Tet Trig Dig Nu: Nu: L Nu: The Baldwin Rules Exocyclic Endocyclic
Ring Size Center Status Ring Size Center Status 3 to 7 Tet Favored 5 to 6 Tet Disfavored 3 to 7 Trig Favored 3 to 5 Trig Disfavored 5 to 7 Dig Favored 6 to 7 Trig Favored 3 to 4 Dig Disfavored 3 to 7 Dig Favored

5 Explain the following:
endo-5-trig R endo-5-dig No Reaction Reaction occurs vs. N u : N u :

6 Explain the following:

7 Rationalize the following:

8 One reactions takes place more readily than
The other. Explain

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