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CAS No. : | 872-53-7 | MDL No. : | MFCD00060798 |
Formula : | C6H10O | Boiling Point : | - |
Linear Structure Formula : | (C5H9)CHO | InChI Key : | VELDYOPRLMJFIK-UHFFFAOYSA-N |
M.W : | 98.14 | Pubchem ID : | 70106 |
Synonyms : |
|
Chemical Name : | Cyclopentanecarbaldehyde |
Signal Word: | Danger | Class: | 3 |
Precautionary Statements: | P210-P302+P352-P305+P351+P338 | UN#: | 1989 |
Hazard Statements: | H225-H315-H319-H335 | Packing Group: | Ⅱ |
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 |
---|---|---|
With C64H94N6O4S2; In dichloromethane; at 20℃; | General procedure: In a typical experiment, a,a-disubstituted aldehyde(0.40 mmol), maleimides (0.20 mmol), and catalyst (0.03 mmol,15 mol%) in CH2Cl2 (0.5 mL) were stirred magnetically at room temperatureuntil the maleimide was consumed (monitored by TLC).The corresponding product was obtained after column chromatography(silica gel, eluent n-hexane/EtOAc). The enantiomeric excessof the products was determined by chiral HPLC analysis using chiralcolumns. All products were identified by spectroscopic data. Racemicsamples of the Michael adducts were prepared using racemiccatalyst. Compounds 6a'-6i' , 6m' and 6r' are known. The analyticaland spectroscopic data are in accordance with those reported. | |
With C64H94N6O4S2; In dichloromethane; at 20℃; | General procedure: In a typical experiment, a,a-disubstituted aldehyde(0.40 mmol), maleimides (0.20 mmol), and catalyst (0.03 mmol,15 mol%) in CH2Cl2 (0.5 mL) were stirred magnetically at room temperatureuntil the maleimide was consumed (monitored by TLC).The corresponding product was obtained after column chromatography(silica gel, eluent n-hexane/EtOAc). The enantiomeric excessof the products was determined by chiral HPLC analysis using chiralcolumns. All products were identified by spectroscopic data. Racemicsamples of the Michael adducts were prepared using racemiccatalyst. Compounds 6a'-6i' , 6m' and 6r' are known. The analyticaland spectroscopic data are in accordance with those reported. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With racemic primary amine thiourea organocatalyst; In dichloromethane; at 20℃; | General procedure: In a typical experiment, a,a-disubstituted aldehyde(0.40 mmol), maleimides (0.20 mmol), and catalyst (0.03 mmol,15 mol%) in CH2Cl2 (0.5 mL) were stirred magnetically at room temperatureuntil the maleimide was consumed (monitored by TLC).The corresponding product was obtained after column chromatography(silica gel, eluent n-hexane/EtOAc). The enantiomeric excessof the products was determined by chiral HPLC analysis using chiralcolumns. All products were identified by spectroscopic data. Racemicsamples of the Michael adducts were prepared using racemiccatalyst. Compounds 6a'-6i' , 6m' and 6r' are known. The analyticaland spectroscopic data are in accordance with those reported. |