When pentane-2,4-dione is treated with one molar equivalent of sodium carbonate and bromoethane, 3-ethylpentane-2,4-dione is the major product. If NaNH, is the base and two molar equivalents are used, however, then heptane-2,4-dione is the major product. Explain 1. Na,CO3 (1 equiv) 2. CH,CH,Br CH,CH3 these observations. Pentane-2,4-dione 1. NaNH, (2 equiv) CH,CH3 2. CH,CH,Br %23 70%

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When pentane-2,4-dione is treated with one
molar equivalent of sodium carbonate and
bromoethane, 3-ethylpentane-2,4-dione is the
major product. If NaNH, is the base and two
molar equivalents are used, however, then
heptane-2,4-dione is the major product. Explain
1. Na,CO3 (1 equiv)
2. CH,CH,Br
CH,CH3
these observations.
Pentane-2,4-dione
1. NaNH, (2 equiv)
CH,CH3
2. CH,CH,Br
%23
70%
Transcribed Image Text:When pentane-2,4-dione is treated with one molar equivalent of sodium carbonate and bromoethane, 3-ethylpentane-2,4-dione is the major product. If NaNH, is the base and two molar equivalents are used, however, then heptane-2,4-dione is the major product. Explain 1. Na,CO3 (1 equiv) 2. CH,CH,Br CH,CH3 these observations. Pentane-2,4-dione 1. NaNH, (2 equiv) CH,CH3 2. CH,CH,Br %23 70%
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