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CAS No. : | 128376-65-8 | MDL No. : | MFCD06796332 |
Formula : | C12H15BO3 | Boiling Point : | - |
Linear Structure Formula : | OHCC6H4BO2(CH2C(CH3)2CH2) | InChI Key : | JUHDMCQVJGHKFW-UHFFFAOYSA-N |
M.W : | 218.06 | Pubchem ID : | 4197234 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | In tetrahydrofuran; at 20℃; for 2h;Product distribution / selectivity; | To a solution of 4-formylphenylboronic acid (4.11 g) in anhydrous tetrahydrofuran (THF) (40 ml_) was added 2,2-dimethyl-1 ,3-propanediol (3.14 g) and the mixture was stirred at room temperature for 2 hours. The solvent was evaporated to dryness. The residue was dissolved in dichloromethane (120 ml_), washed with water (80 ml_ x 3), dried and evaporated under vacuum to obtain 4-(5,5-dimethyl-[1 ,3,2]dioxaborinan-2-yl)-benzaldehyde (5.66 g, 95% yield). |
In toluene; for 2h;Heating / reflux;Product distribution / selectivity; | To a mixture of 4-formylphenylboronic acid (50 g) in toluene (250 ml_) was added 2,2-dimethyl-1 ,3-propanediol (34.39 g) and the dispersion was heated at reflux for 2 h. The water while formed was azeotropically separated and the residue (330 ml_) was used directly in the next step. 1H-NMR (400 MHz,CDCI3): delta 1.04 (s, 6 H, 2 CH3), 3.79 (s, 4 H, 2 CH2), 7.84 (d, J = 6.4 Hz, 2 H, H-Ar), 7.96 (d, J = 8 Hz, 2 H, H-Ar), 10.04 (s, 1 H, CHO) ppm. | |
In toluene; for 2h;Heating / reflux; | Example 1 : Preparation of 4-(5,5-dimethyl-H ,3,21dioxaborinan-2-yl)- benzaldehvde;To a mixture of 4-formylphenylboronic acid (50 g) in toluene (250 mL) was added 2,2-dimethyl-1 ,3-propanediol (34.39 g) and the dispersion was heated at reflux for 2 h. The water while formed was azeotropically separated and the residue (330 mL) was used directly in the next step.1H-NMR (400 MHz, CDCI3): delta 1.04 (s, 6 H, 2 CH3), 3.79 (s, 4 H, 2 CH2), 7.84 (d, J = 6.4 Hz, 2 H,H-Ar), 7.96 (d, J = 8 Hz, 2 H, H-Ar), 10.04 (s, 1 H, CHO) ppm. |
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