Question

what is gauche.. how many degree angle have​

Answer 1

Answer:

Illustrated Glossary of Organic Chemistry - Gauche. Gauche: The relationship between two atoms or groups whose dihedral angle is more than 0o (i.e., eclipsed) but less than 120o (i.e., the next eclipsed conformation). A conformation which has one or more gauche interactions is can be called a gauche conformation.