α′,α′‐tetraphenyl‐1,3‐dioxolan‐4,5‐dimethanamines) (Scheme 2) and ureas, 12–15, and to TADDOP derivatives with seven‐membered OPO ester rings (Schemes 3 and 4). Cl/P‐Replacement via the MichaelisArbuzov reaction (Scheme 7) on mono‐ and dichlorides, derived from TADDOL, are described. It was not possible to obtain phosphines with the P‐atom attached to the benzhydrylic C‐atom of the TADDOL skeleton
TADDOL(= α,α,α' ,α' -Tetraaryl -
1,3-二氧戊环-4,5-二
甲醇)和相应的二
氯化物被转化成TAD
DAMINs(=(4小号,5小号)-2,2,Ñ,N'-四甲基-α,α,α',α'-四苯基-1,3-二氧杂戊基4,5-
二甲胺(方案2)和
脲12至15以及具有七元O的TAD
DOP衍
生物 P 0酯环(方案3和4)。Cl / P-替换通过的米氏阿尔布佐夫反应(方案7上的单-和二
氯化物),从TADDOL衍生,进行说明。无法获得P原子连接到TADDOL骨架的二羟基C原子上的膦(方案6和7)。讨论了30多种新的TADDOL衍
生物中的10种的X射线晶体结构(图1和2)。提供了完整的实验细节。