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{44}
CH3-CH2-O-CH2-CH3
(I)
CH3-O-CH2-CH2-CH3
(II)
CH3-O-CH-CH3
(III)CH3
{45}
R1-O-Na+ + X-R2
(I) (II)-NaX
R1-O-R2
(III)
{46}
CH3-CH2-OH
(I)
+HO-SO3H(k)
-H2OCH3-CH2-O-SO3H
(II)
+CH3-CH2-OH
-H2SO4CH3-CH2-O-CH2-CH3
(III)
-H2SO4
CH2=CH2
(IV)
{47}
2 CH3-CH2OH
(I)
300°C / Al2O3
-H2OCH3-CH2-O-CH2-CH3
(II)
{48}
RO
R+ HY R
O-HR
Y
(I)
{49}
CH3-CH2-O-CH2-CH3
(I)
O
O
(II)
O
O
(III)
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