Chinese Journal of Organic Chemistry ›› 2022, Vol. 42 ›› Issue (1): 226-234.DOI: 10.6023/cjoc202107045 Previous Articles Next Articles
ARTICLES
冯易浇a, 何静a, 韦玥婷a, 汤婷b, 李春天a,*(), 刘平a,*()
收稿日期:
2021-07-21
修回日期:
2021-08-24
发布日期:
2021-09-08
通讯作者:
李春天, 刘平
基金资助:
Yijiao Fenga, Jing Hea, Yueting Weia, Ting Tangb, Chuntian Lia(), Ping Liua()
Received:
2021-07-21
Revised:
2021-08-24
Published:
2021-09-08
Contact:
Chuntian Li, Ping Liu
Supported by:
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Yijiao Feng, Jing He, Yueting Wei, Ting Tang, Chuntian Li, Ping Liu. One-Pot Two-Step Strategy for Efficient Synthesis of 3-Aryl-4-(arylthio)-1H-pyrazol-5-amines Derivatives[J]. Chinese Journal of Organic Chemistry, 2022, 42(1): 226-234.
Entry | Catalyst (mol%) | Solvent/mL | Yieldb/% |
---|---|---|---|
1 | — | EtOH | Trace |
2 | NIS (50) | EtOH | 84 |
3 | NIS (20) | EtOH | 85 |
4 | NIS (10) | EtOH | 86 |
5 | NIS (5) | EtOH | 67 |
6 | I2 (10) | EtOH | 97 |
7 | I2 (5) | EtOH | 92 |
8 | TBAI (10) | EtOH | Trace |
9 | I2 (10) | 1,4-Dixoane | 57 |
10 | I2 (10) | DCE | 64 |
11 | I2 (10) | DMSO | 45 |
12 | I2 (10) | DMF | 34 |
13 | I2 (10) | THF | 56 |
14c | I2 (10) | EtOH | 85 |
Entry | Catalyst (mol%) | Solvent/mL | Yieldb/% |
---|---|---|---|
1 | — | EtOH | Trace |
2 | NIS (50) | EtOH | 84 |
3 | NIS (20) | EtOH | 85 |
4 | NIS (10) | EtOH | 86 |
5 | NIS (5) | EtOH | 67 |
6 | I2 (10) | EtOH | 97 |
7 | I2 (5) | EtOH | 92 |
8 | TBAI (10) | EtOH | Trace |
9 | I2 (10) | 1,4-Dixoane | 57 |
10 | I2 (10) | DCE | 64 |
11 | I2 (10) | DMSO | 45 |
12 | I2 (10) | DMF | 34 |
13 | I2 (10) | THF | 56 |
14c | I2 (10) | EtOH | 85 |
Entry | [I] source (mol%) | T/℃ | Yieldb/% |
---|---|---|---|
1 | — | 80 | 19 |
2 | I2 (50) | 80 | 78 |
3 | KI (50) | 80 | 54 |
4 | NH4I (50) | 80 | 46 |
5 | TBAI (50) | 80 | 38 |
6 | NIS (50) | 80 | 88 |
7 | NIS (30) | 80 | 82 |
8 | NIS (70) | 80 | 87 |
9 | NIS (50) | 60 | 30 |
10 | NIS (50) | 100 | 75 |
11c | NIS (50) | 80 | 94 |
12d | NIS (50) | 80 | 70 |
Entry | [I] source (mol%) | T/℃ | Yieldb/% |
---|---|---|---|
1 | — | 80 | 19 |
2 | I2 (50) | 80 | 78 |
3 | KI (50) | 80 | 54 |
4 | NH4I (50) | 80 | 46 |
5 | TBAI (50) | 80 | 38 |
6 | NIS (50) | 80 | 88 |
7 | NIS (30) | 80 | 82 |
8 | NIS (70) | 80 | 87 |
9 | NIS (50) | 60 | 30 |
10 | NIS (50) | 100 | 75 |
11c | NIS (50) | 80 | 94 |
12d | NIS (50) | 80 | 70 |
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