ChemicalBook CAS DataBase List ethyl 3,3-dimethylpent-4-en-1-oate

ethyl 3,3-dimethylpent-4-en-1-oate synthesis

7synthesis methods

Product Name:ethyl 3,3-dimethylpent-4-en-1-oate
CAS Number:7796-72-7
Molecular formula:C9H16O2
Molecular Weight:156.22

2-Butene, 1-(1,1-diethoxyethoxy)-3-methyl-

60066-56-0
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108-95-2 Synthesis

108-95-2
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7796-72-7
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Yield:7796-72-7 72%

Steps:

V.2 2.

2. Preparation of ethyl 3,3-dimethyl-4-pentenoate A mixture of 2.02 g of 1,1-diethoxy-1-(3-methyl-2-buten-1-yloxy)ethane and 20 mg of phenol was heated for 12 hours at 150°-160°, during which time ethanol was evolved. Distillation of the residue gave 1.12 g (72% yield) of ethyl 3,3-dimethyl-4-pentenoate, b.p. 80°-83°/57 mm. Similarly, in the absence of phenol, 2.02 g of 1,1-diethoxy-1-(3-methyl-2-buten-1-yloxy)ethane was heated for 20 hours at 150°-160°. Distillation than gave 1.06 g (68% yield) of ethyl 3,3-dimethyl-4-pentenoate, b.p. 87°-89°/62 mm.

References:

US4214097,1980,A

78-39-7 Synthesis