Table 2. Catalytic TH of Carbonyl Compounds (0.1 M) to Alcohols with Complexes 8, 10, and 21 (S/C = 2000–10000) and NaOiPr (2 mol %) in 2-Propanol at 82 °C.

entry	substrate	complex	S/C	time	conversiona (%)	TOFb (h–1)
1	b	8	5000	20 h	96	700
2	b	10	5000	18 h	98	1800
3	b	21	5000	18 h	99	2500
4	c	8	10000	20 h	86	1800
5	c	10	10000	18 h	78	19000
6	c	21	10000	2 h	85	59000
7	d	8	5000	1.5 h	98	19000
8	d	10	5000	10 min	98	30000
9	d	21	5000	5 min	99	150000
10	e	8	2000	20 h	86c	1100
11	e	10	2000	18 h	98d	7000

^aConversions have been determined by GC analyses.

^bTurnover frequency (moles of ketone converted to alcohol per mole of catalyst per hour) at 50% conversion.

^cMixture of diastereoisomeric alcohols: (+)-neomenthol (58%), (+)-isomenthol (11%), (−)-menthol (15%), (+)-neoisomenthol (16%).

^dMixture of diastereoisomeric alcohols: (+)-neomenthol (65%), (+)-isomenthol (11%), (−)-menthol (15%), (+)-neoisomenthol (9%).