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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
β-胡萝卜素
合成路线
（共 136 条）
1427286-47-2
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
1.1: n-butyllithium; N,N'-dimethyl-N,N'-propyleneurea / hexane; tetrahydrofuran / 0.5 h / 25 °C / |Inert atmosphere 1.2: 6 h / -78 - 25 °C / |Inert atmosphere 2.1: 2,6-di-tert-butyl-4-methyl-phenol; Grubb's 2nd generation catalyst / dichloromethane; toluene / 6.5 h / 25 °C / |Inert atmosphere 3.1: 2,6-di-tert-butyl-4-methyl-phenol; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran; toluene / 0.08 h / 25 °C / |Inert atmosphere 3.2: 4 h / 25 °C / |Inert atmosphere View Scheme
参考文献
Chemical Communications, , vol. 49, # 26 p. 2694 - 2696
1427286-48-3
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
1.1: 2,6-di-tert-butyl-4-methyl-phenol; Grubb's 2nd generation catalyst / dichloromethane; toluene / 6.5 h / 25 °C / |Inert atmosphere 2.1: 2,6-di-tert-butyl-4-methyl-phenol; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran; toluene / 0.08 h / 25 °C / |Inert atmosphere 2.2: 4 h / 25 °C / |Inert atmosphere View Scheme
参考文献
Chemical Communications, , vol. 49, # 26 p. 2694 - 2696
6811-73-0
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
in benzene-d6 T=37.2°C; E(a), var. temp.; Rate constantKineticsThermodynamic data;
参考文献
Journal of the American Chemical Society, , vol. 117, # 10 p. 2747 - 2757
116-31-4
视黄醛
→
反应条件
22255-47-6
+
7235-40-7
β-胡萝卜素
+
43219-55-2
+
70244-78-9
反应条件
1.1: sodium hexamethyldisilazane / tetrahydrofuran; hexane / 0.5 h / 25 °C / Inert atmosphere 1.2: 1.5 h / -78 °C / Inert atmosphere 2.1: Grubb's 2nd generation catalyst / dichloromethane / 6.5 h / 50 °C / Inert atmosphere View Scheme
参考文献
European Journal of Organic Chemistry, , # 33 p. 6704 - 6712
127-47-9
→
反应条件
22255-47-6
+
7235-40-7
β-胡萝卜素
+
43219-55-2
+
70244-78-9
反应条件
1.1: methyllithium / tetrahydrofuran / 0.75 h / -15 °C / Inert atmosphere 2.1: manganese(IV) oxide; sodium carbonate / dichloromethane / 4 h / 25 °C / Inert atmosphere 3.1: sodium hexamethyldisilazane / tetrahydrofuran; hexane / 0.5 h / 25 °C / Inert atmosphere 3.2: 1.5 h / -78 °C / Inert atmosphere 4.1: Grubb's 2nd generation catalyst / dichloromethane / 6.5 h / 50 °C / Inert atmosphere View Scheme
参考文献
European Journal of Organic Chemistry, , # 33 p. 6704 - 6712
68-26-8
→
反应条件
22255-47-6
+
7235-40-7
β-胡萝卜素
+
43219-55-2
+
70244-78-9
反应条件
1.1: manganese(IV) oxide; sodium carbonate / dichloromethane / 4 h / 25 °C / Inert atmosphere 2.1: sodium hexamethyldisilazane / tetrahydrofuran; hexane / 0.5 h / 25 °C / Inert atmosphere 2.2: 1.5 h / -78 °C / Inert atmosphere 3.1: Grubb's 2nd generation catalyst / dichloromethane / 6.5 h / 50 °C / Inert atmosphere View Scheme
参考文献
European Journal of Organic Chemistry, , # 33 p. 6704 - 6712
101468-86-4
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
sodium dithionite; Oryza sativa lycopene β-cyclase; tomato N-terminal His6-fused carotene cis-trans isomerase; Adenine-flavine dinucleotide T=37°C; pH=6.2; 0.5 h; soybean lecithin liposomesaq. phosphate bufferInert atmosphere; stereoselective reaction;
参考文献
Journal of Biological Chemistry, , vol. 286, # 10 p. 8666 - 8676
1892-05-3
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
1.1: 2,2'-azo-bisisobutyronitrile / toluene / 4 h / 130 °C / |Inert atmosphere 2.1: tetrakis(triphenylphosphine) palladium(0); copper(I) thiophene-2-carboxylate; [Ph2PO2]1-*[NBu4]1+ / N,N-dimethyl-formamide / 25 °C / |Inert atmosphere 2.2: 25 °C / |Inert atmosphere View Scheme
参考文献
Chemical Communications, , vol. 49, # 26 p. 2694 - 2696
101468-86-4
→
反应条件
7235-40-7
β-胡萝卜素
+
472-93-5
反应条件
1: With sodium dithionite; tomato N-terminal His6-fused carotene cis-trans isomerase; Adenine-flavine dinucleotide T=37°C; pH=6.2; 0.5 h; soybean lecithin liposomesaq. phosphate bufferInert atmosphere; 2: With Oryza sativa lycopene β-cyclase T=37°C; pH=6.2; 0.5 h; soybean lecithin liposomesInert atmosphereaq. phosphate buffer; stereoselective reaction;
参考文献
Journal of Biological Chemistry, , vol. 286, # 10 p. 8666 - 8676
4481-69-0
→
反应条件
7235-40-7
β-胡萝卜素
反应条件
1: Lindlar-catalyst; petroleum ether; quinoline / Hydrogenation 2: petroleum ether / 80 °C View Scheme
参考文献
Helvetica Chimica Acta, , vol. 39, p. 274,276
Justus Liebigs Annalen der Chemie, , vol. 603, p. 129,133
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