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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
18045-70-0
合成路线
(共 35 条)
70556-66-0
→
反应条件
18045-70-0
反应条件
1: 83 percent / NaBH4 / methanol / 0.5 h / 0 °C 2: 90 percent / hydrogen / 10percent palladium-carbon / ethyl acetate 3: 99 percent / diethyl ether / 2 h / 0 °C 4: 59 percent / p-TsOH / benzene / 96 h / Ambient temperature View Scheme
参考文献
Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
70556-65-9
→
反应条件
18045-70-0
反应条件
1: diethyl ether / 3 h / 0 °C 2: aq. NaHCO3 / methanol 3: 22 percent / copper(II) chloride / CHCl3 / 25 h / Heating 4: 83 percent / NaBH4 / methanol / 0.5 h / 0 °C 5: 90 percent / hydrogen / 10percent palladium-carbon / ethyl acetate 6: 99 percent / diethyl ether / 2 h / 0 °C 7: 59 percent / p-TsOH / benzene / 96 h / Ambient temperature View Scheme
参考文献
Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
70573-27-2
→
反应条件
18045-70-0
反应条件
1: 22 percent / copper(II) chloride / CHCl3 / 25 h / Heating 2: 83 percent / NaBH4 / methanol / 0.5 h / 0 °C 3: 90 percent / hydrogen / 10percent palladium-carbon / ethyl acetate 4: 99 percent / diethyl ether / 2 h / 0 °C 5: 59 percent / p-TsOH / benzene / 96 h / Ambient temperature View Scheme
参考文献
Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
77658-74-3
→
反应条件
18045-70-0
反应条件
methanesulfonyl chloride 1.) pyridine, 1 h, 2.) dimethyl sulfoxide, 50-60 deg C, 1 h; Yield given. Multistep reaction;
参考文献
White, James D.; Ruppert, John F.; Avery, Mitchell A.; Torii, Sigeru; Nokami, Junzo
Journal of the American Chemical Society, 1981 , vol. 103, # 7 p. 1813 - 1821
17283-81-7
BETA-二氢紫罗兰酮
→
反应条件
18045-70-0
反应条件
1: 85 percent / Na / ethanol / 2 h / Ambient temperature 2: 88 percent / sodium bis(2-methoxyethoxy)aluminum hydride / toluene / 0.5 h / Ambient temperature 3: 1.) I2; 2.) KOH / 1.) benzene, RT, 2 d; 2.) MeOH View Scheme
参考文献
Frater, Georg; Mueller, Urs; Kraft, Philip
Helvetica Chimica Acta, 1999 , vol. 82, # 4 p. 522 - 530
116907-14-3
→
反应条件
18045-70-0
反应条件
1: 65 percent / TsOH, AcOH / 45 h / Ambient temperature 2: 52 percent / Na, liq.NH3 / diethyl ether / 0.75 h / Heating View Scheme
参考文献
Chen, Yao-Jung; Wang, Chi-Ying; Lin, Wen-Yuan
Tetrahedron, 1996 , vol. 52, # 41 p. 13181 - 13188
18665-82-2
→
反应条件
18045-70-0
反应条件
iodine in benzene
参考文献
Kato,T. et al.
Tetrahedron, 1970 , vol. 26, p. 4287 - 4292
18665-81-1
→
反应条件
18045-70-0
反应条件
iodine in benzene
参考文献
Kato,T. et al.
Tetrahedron, 1970 , vol. 26, p. 4287 - 4292
884195-55-5
→
反应条件
18045-70-0
反应条件
1: 95 percent / Zn; KOH / ethanol; H2O / 10 h / Heating 2: 88 percent / CeCl3 / tetrahydrofuran / 3 h / 0 - 20 °C 3: POCl3; pyridine / CH2Cl2 / 3 h / 0 - 20 °C View Scheme
参考文献
Srikrishna; Lakshmi, B. Vasantha; Mathews, Manoj
Tetrahedron Letters, 2006 , vol. 47, # 13 p. 2103 - 2106
884195-54-4
→
反应条件
18045-70-0
反应条件
1: 98 percent / DBU / CH2Cl2 / 6 h / 20 °C 2: 95 percent / Zn; KOH / ethanol; H2O / 10 h / Heating 3: 88 percent / CeCl3 / tetrahydrofuran / 3 h / 0 - 20 °C 4: POCl3; pyridine / CH2Cl2 / 3 h / 0 - 20 °C View Scheme
参考文献
Srikrishna; Lakshmi, B. Vasantha; Mathews, Manoj
Tetrahedron Letters, 2006 , vol. 47, # 13 p. 2103 - 2106
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