Meaning of demetalation | Babel Free

Definitions

Noun. [C1]

Examples

“1,6-Enynes such as 1q react⟳ with aromatic aldehydes in a formal [2 + 2 + 2] cycloaddition to give⟳ oxabicyclic adducts of type⟳ 55 together with dienes 56, which result⟳ from a metathesis-type reaction of the enyne with the aldehyde (Scheme 16 ). 95 The formation of these products can be explained by attack of the aldehyde to the cyclopropyl gold carbene intermediate to form⟳ 53a, which undergoes a Prins-type cyclization followed by either demetalation to form⟳ 55 or fragmentation to give⟳ 56 .”

CEFR level