Highly efficient synthesis of alka-1,3-dien-2-yltitanium compounds from alka-2,3-dienyl carbonates. A new, practical synthesis of 1,3-dienes and 2-iodo-1,3-dienes

Article abstract of DOI:10.1016/S0040-4039(96)02126-0

Treatment of carbonates of alka-2,3-dien-1-ols 2 with (η²-propene)Ti(O-i-Pr)₂ (1) resulted in oxidative addition to afford 1,3-dien-2-yltitanium compounds 3, which react readily with electrophiles such as H⁺, I₂