The present invention relates to the compound of formula (I). The invention further relates to the compound of formula (II). The invention further relates to the synthesis of these compounds as well as to their use in organic synthesis, especially in the synthesis of vitamin A or p-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin.
本发明涉及式(I)的化合物。本发明还涉及式(II)的化合物。本发明还涉及这些化合物的合成,以及它们在有机合成中的应用,特别是在
维生素A或p-
胡萝卜素及其衍
生物的合成中,例如甲氧基黄红素、
虾青素或
玉米黄素。