Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | HCID 59861579 | HCID 59861579 | — |
| Solvent | Acetone | HCID 180 | — |
| Product | HCID 22626917 | HCID 22626917 | 81% |
Reaction Steps
Compound 9 was dissolved in acetone (EMCO), at 60° C. in a 1 L, 1-neck round bottom flask. Pre-washed Amberlite IR-120 resin (Aldrich) was added with the water and the mixture was stirred at 60° C. for 40 minutes; aliquots were removed at 20 min (MCLS0995-078-1) and 40 min. HPLC analysis of the aliquots revealed that the de-protection of the aldehyde was complete in 20 minutes. The mixture was removed from the heating bath, filtered, and concentrated to ca. 40% of the initial volume under rotary evaporation (removal of acetone). The resulting aqueous suspension was partitioned between CH2Cl2 and sat. aq. sodium bicarbonate. The aqueous layer was extracted 2×CH2Cl2. The combined organic layers were washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated to afford product 10 (4.20 g, 81% yield).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07998462B2 |
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| Source dataset | uspto-grants-2011_08 |
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| ORD ID | ord-a736ec6fa78d497f915f889d8e922ba2 |
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| Source note | uspto-grants-2011_08 |
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