Table 5.

Reactions of various aldehydes with propiophenone metal enolate (reaction time: 2 h, reaction temperature: 25 °C).

Entry	Product	Aldehyde	Yield of 5 [%]
			AlCl3	InCl3	SnCl4	ZrCl4
1	5b	3b	14	47	34	40
2	5c	3c	44	94	36	60a
3	5d	3d	17	72	–	45
4	5e	3e	–	50	28a	45
5	5f	3f	13b	55	–	29b
6	5g	3g	–	62	–	66
7	5h	3h	–	50	–	51
8	5i	3i	–c	53	–c	–c
9	5jd	3j	–	35	–	30
10	5k	3k	–	–e	–	–e
11	5l	3l	–	–f	–	–f

^aRef. [37]. ^bAdditionally 10% (Al) and 20% (Zr) of 5a are formed. ^cThe reaction was not carried out. ^d1,4-Bis-(2,4-dimethyl-3,5-diphenyl-3,5-dihydroxytetrahydropyranyl)-benzene. ^eInseparable mixture. ^fNo reaction.