20.
21.
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(1) |
(2) |
(3) |
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(4) 内型为主 |
(5) |
(6) |
19. CHCHCHCNaCHCCH2CH2CH3TM
18. (1)
CH3CCCH2 CH3
(2) CH3CH=CHCH3TM
(3) TM
(4) (CH3)2C=CH2[(CH3)3-CCH2-C(CH3)2]
(CH3)3CCH=C(CH3)2 +
17.
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(2E,4E)–2,4–庚二烯 |
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(2Z,4E)–2,4–庚二烯 |
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(2E,4Z)–2,4–庚二烯 |
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(2Z,4Z)–2,4–庚二烯 |
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(2E,4E)–2,4–己二烯 |
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(2Z,4Z)–2,4–己二烯 |
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(2E,4Z)或(2Z,4E)–2,4–己二烯 |
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16.
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(2) |
CH2=CHCCH
CH2=CHCH=CH2 |
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(3) |
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(4) |
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CH3CCCH2CH3 |
(5) |
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(6) |
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(7) |
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(8) |
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15. 反应途径1: 反应途径2:
途径1中3o级正碳离子稳定,所以反应主要按途径1进行,主要产物为3-甲基-1-溴-2-丁烯。
14. (1) (2)
11.
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12. |
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13. |
(1) CH3CH2CH=CH2 |
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(2) CH3CH=CH2 |
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(3) |
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(4) |
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(5) |
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(6) |
CH3CH2CCNa
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CH3CH2CCH2CH3 |
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CH3CH2CH=CHCH2CH3 |
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(7) |
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10.
9.
顺–2–丁烯反应产物 |
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反–2–丁烯反应产物 |
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