1.1
Reagents:
1-Propanol
Catalysts:
Sulfuric acid
Solvents:
1-Propanol
;
2 h, reflux
1.2
Catalysts:
Sodium acetate
Solvents:
Toluene
;
reflux; cooled
1.3
Reagents:
Lithium chloride
,
Potassium borohydride
Solvents:
Tetrahydrofuran
;
40 min, 67 - 75 °C; 1 h, reflux
1.4
Solvents:
Toluene
;
4 h, reflux
![5-(2-羟基乙基)苯并[b]噻吩结构式图片|96803-30-4结构式图片](http://hg.y866.cn/compound/lib/scimg/cas/150/96803-30-4.png?t=638991170403655814)
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