80283-32-5Relevant articles and documents
4-ω-BROMOALKAPOLYENYLMETHYL KETONES-II; USE OF 5-BROMO-3-PENTEN-2-ONE ETHYLENE KETAL AS A C5-SYNTHON
Camps, J.,Font, J.,March, P. De
, p. 2493 - 2500 (2007/10/02)
The preparation of the phosphonium salt and the dimethyl-phosphonate of (E)-5-bromo-3-penten-2-one ethylene ketal, 6 and 7, is described.These C5-isoprenoid synthons were condensed with several aldehydes and ketones giving mixtures of the corresponding E