Table 3. Pronucleophile scope for internal diene addition reactions ^{a , b , c} .

^aReaction under N₂ with 0.2 mmol pronucleophile in 0.2 mL Et₂O. 1a used as a 1.8:1 E,Z : E,E mixture of stereoisomers.

^bIsolated yield of purified product.

^cer determined by HPLC analysis of purified 5.

^dIsolated yield of the isomeric mixture; er not determined.