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CAS No. : | 14647-23-5 | MDL No. : | MFCD00013313 |
Formula : | C26H24Cl2NiP2 | Boiling Point : | - |
Linear Structure Formula : | [Ni((C6H5)2PC2H4P(C6H5)2)Cl2] | InChI Key : | - |
M.W : | 528.02 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-H315-H319-H335-H351-H361 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
88% | With ammonium chloride; In tetrahydrofuran; water; | (1) Synthesis of 7-isopropylindene Using a 300 ml three-necked flask as the reactor, under a nitrogen stream, 1.36 g (2.57 millimoles) of [1,2-bis (diphenylphosphino)ethane]dichloronickel(II) was dissolved in 20 ml of tetrahydrofuran. To this suspension there was added a solution of 10 g (51.30 millimoles) of <strong>[16657-07-1]7-bromoindene</strong> in 100 ml of tetrahydrofuran, prepared based on the method described in J. Org. Chem. 49, 4226-4237(1984). After dropwise addition of 51 ml (102.60 millimoles) of isopropylmagnesium bromide (2N) to the mixed solution while cooling on ice, the mixture was heated to reflux for 20 hours. After reflux, hydrolysis was performed with a saturated aqueous solution of ammonium chloride, distilled water was added, extraction was performed several times with diethyl ether, and then the extract was washed once with saturated saline and dried over anhydrous magnesium sulfate. After drying, the magnesium sulfate was filtered off and the solvent was purified with a silica gel column to obtain 7.14 g of 7-isopropylindene as a yellow oil (88% yield). |
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