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. 2007 Nov 15;12(11):2515–2532. doi: 10.3390/12112515

Table 2.

SZ and SZ/MCM-41 as catalysts.

Entry 1 2 Time (h) 3/4 Yield (%)
Cat. = SZ
3/4 Yield (%)
Cat. = SZ/MCM-41
1 graphic file with name molecules-12-02515-i001.jpg 2a 0.5 74/0 23/0
2 [41,42]* graphic file with name molecules-12-02515-i002.jpg 2a 5 61/20 63/0
3 [43] graphic file with name molecules-12-02515-i002.jpg 2b 6 82/0 35/0
4* graphic file with name molecules-12-02515-i003.jpg 2a 5 63/13 55/0
5 graphic file with name molecules-12-02515-i003.jpg 2b 5 81/0 54/0
6 [44,45(b,c)] graphic file with name molecules-12-02515-i004.jpg 2a 5 97/0 84/0
7 graphic file with name molecules-12-02515-i004.jpg 2b 5 71/0 14/0
8 [45] graphic file with name molecules-12-02515-i005.jpg 2a 5 93/0 99/0
9 graphic file with name molecules-12-02515-i005.jpg 2b 5 83/0 45/0
10 [46](d), 45(c), 42]* graphic file with name molecules-12-02515-i006.jpg 2a 1 0/96 5/91
11 [41,47] graphic file with name molecules-12-02515-i006.jpg 2b 6 53/31 55/25
12 [41] graphic file with name molecules-12-02515-i007.jpg 2a 5 81/0 83/0
13 graphic file with name molecules-12-02515-i007.jpg 2b 5 87/0 81/0
14 [41, 46] graphic file with name molecules-12-02515-i008.jpg 2a 0.5 86/0 81/0
15 [41] graphic file with name molecules-12-02515-i008.jpg 2b 0.5 87/0 52/0
16 graphic file with name molecules-12-02515-i009.jpg 2a 1 76/0 57/0
17 graphic file with name molecules-12-02515-i009.jpg 2b 1 77/0 51/0
18 graphic file with name molecules-12-02515-i010.jpg 2a 1 76/0 59/0
19 [48] graphic file with name molecules-12-02515-i010.jpg 2b 1 85/0 82/0

Yields of the isolated possible products 3 or 4 shown in Scheme 1; the regioselectivity was evaluated by GC-MS; * the structures of the minor products in entries 2, 4 and 10 were determined by CI mode GC-MS.