- 1-Cbz-3-azetidinone
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- $0.00 / 1KG
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2026-01-30
- CAS:105258-93-3
- Min. Order: 1KG
- Purity: 98%min
- Supply Ability: 30tons/month
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| | N-CBZ-3-OXOAZETIDINE Basic information |
| Product Name: | N-CBZ-3-OXOAZETIDINE | | Synonyms: | N-CBZ-3-OXOAZETIDINE;1-Cbz-3-azetidinone;3-Oxo-azetidine-1-carboxylic acid benzyl ester;1-Azetidinecarboxylic acid, 3-oxo-, phenylMethyl ester;Azetidin-3-one, N-CBZ protected;Benzyl 3-oxoazetidine-1-carboxylate, 1-[(Benzyloxy)carbonyl]-3-oxoazetidine;1-(Benzyloxycarbonyl)azetidin-3-one;3-oxo-1-azetidinecarboxylic acid (phenylmethyl) ester | | CAS: | 105258-93-3 | | MF: | C11H11NO3 | | MW: | 205.21 | | EINECS: | | | Product Categories: | | | Mol File: | 105258-93-3.mol |  |
| | N-CBZ-3-OXOAZETIDINE Chemical Properties |
| Melting point | 40-44° | | Boiling point | 356.5±42.0 °C(Predicted) | | density | 1.308±0.06 g/cm3(Predicted) | | storage temp. | 2-8°C | | form | solid | | pka | -2.04±0.20(Predicted) | | color | White | | InChI | InChI=1S/C11H11NO3/c13-10-6-12(7-10)11(14)15-8-9-4-2-1-3-5-9/h1-5H,6-8H2 | | InChIKey | VLMMTGKGDOAYER-UHFFFAOYSA-N | | SMILES | N1(C(OCC2=CC=CC=C2)=O)CC(=O)C1 |
| | N-CBZ-3-OXOAZETIDINE Usage And Synthesis |
| Synthesis | General procedure for the synthesis of 1-Benzyloxycarbonyl-3-hydroxyazetidin-3-one from 1-Benzyloxycarbonylazetidin-3-one: Triphenylmethyl-3-hydroxyazetidin-1-carboxylate (3.5 g, 0.0168 mol) was dissolved in dichloromethane (100 mL) at room temperature, followed by the addition of Dess-Martin periodinane (10.7 g, 0.025 mol). The reaction mixture was stirred at room temperature for 5 hours. Upon completion of the reaction, the reaction was quenched with a 1:1 ratio of saturated aqueous sodium bicarbonate and 1 M sodium thiosulfate solution (200 mL). The mixture was extracted with dichloromethane and the organic layer was separated. The organic layer was dried with anhydrous magnesium sulfate and subsequently concentrated under reduced pressure to afford phenylmethyl 3-oxoazetidine-1-carboxylate (3.43 g, 99% yield), the product was a clear, colorless oil, which did not require further purification. The product was confirmed by 1H NMR (400 MHz, CDCl3): δ 7.39-7.31 (m, 5H), 5.17 (s, 2H), 4.77 (s, 4H). Mass spectrometry (EI) analysis was consistent with the molecular weight of C11H11NO3: 205 (M+). | | References | [1] Patent: WO2007/44515, 2007, A1. Location in patent: Page/Page column 165
[2] Patent: WO2008/76415, 2008, A1. Location in patent: Page/Page column 329
[3] Patent: WO2008/124085, 2008, A2. Location in patent: Page/Page column 179
[4] Patent: WO2014/32, 2014, A1. Location in patent: Page/Page column 33; 34
[5] Patent: WO2013/8002, 2013, A1. Location in patent: Page/Page column 49 |
| | N-CBZ-3-OXOAZETIDINE Preparation Products And Raw materials |
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