ChemicalBook CAS DataBase List 4-cyclopentyl cyclohexanone

4-cyclopentyl cyclohexanone synthesis

6synthesis methods

Product Name:4-cyclopentyl cyclohexanone
CAS Number:104116-10-1
Molecular formula:C11H18O
Molecular Weight:166.26

1,4-Dioxaspiro[4.5]decane, 8-cyclopentyl-

1352934-32-7
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104116-10-1
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Yield:104116-10-1 6.5 g

Reaction Conditions:

with formic acid in toluene at 20; for 20 h;

Steps:

2.3

A solution of 10 g of 2-b obtained in step 2, 50 mL of toluene and 20 mL of 85% formic acid in 250 mL of flask was stirred for 20 hours at room temperature. The organic phase was washed with water and dried over anhydrous sodium sulfate. After removal of solvent, 6.5 g of 2-c was obtained.

References:

US9303208,2016,B2 Location in patent:Page/Page column 37