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MCC Reaction
 | |||||
|---|---|---|---|---|---|
| entry | 16 R1 |
17 R2 |
product (yield%) | deprotection conditions | product (yield%) R1, R2 |
| 1 |
16a H |
17a
|
20 (31) | Pd/C, H2(g) |
25 (34)
|
| 2 |
16a H |
17b
|
21 (32) | – | – |
| 3 |
16a H |
17c
|
22 (30) | Pd/C, H2(g) |
26 (63)
|
| 4 |
16b OiPr |
17d
|
23 (46) | AlCl3, CH2Cl2 |
27 (51)
|
| 5 |
16b OiPr |
17f
|
24 (55) | AlCl3, CH2Cl2 |
28 (75)
|
