TABLE 4.

The following calculated were used to determine the turnover frequency (TOF) and turnover number (TON).

Entry	Product	TON	TOF	Entry	Product	TON	TOF
1	4a	480	96	11	4k	460	76.6
2	4b	465	93	12	4l	485	121.2
3	4c	475	79.1	13	4m	460	76.6
4	4d	480	120	14	4n	440	62.8
5	4e	445	63.5	15	4o	445	74.1
6	4f	455	75.8	16	4p	460	115
7	4g	485	121.2	17	4q	455	75.8
8	4h	465	77.5	18	4r	470	78.3
9	4i	450	64.2	19	4s	480	96
10	4j	485	97	20	4t	475	118.7