ChemicalBook CAS DataBase List 9H-Carbazole, 9-(1-octylnonyl)-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

9H-Carbazole, 9-(1-octylnonyl)-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- synthesis

1synthesis methods

Product Name:9H-Carbazole, 9-(1-octylnonyl)-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
CAS Number:1268491-07-1
Molecular formula:C41H65B2NO4
Molecular Weight:657.58

61676-62-8 Synthesis

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

61676-62-8
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3,6-Dibromo-9-(heptadecan-9-yl)-9H-carbazole

1268491-06-0
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9H-Carbazole, 9-(1-octylnonyl)-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

1268491-07-1
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Yield:1268491-07-1 57%

Reaction Conditions:

Stage #1: N-9-heptadecanyl-3,6-dibromocarbazolewith n-butyllithium in tetrahydrofuran;hexane at -78; for 1 h;Inert atmosphere;
Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane in tetrahydrofuran;hexane at -78 - 20;Inert atmosphere;

References:

Kim, Jinseck;Kwon, Young Soo;Shin, Won Suk;Moon, Sang-Jin;Park, Taiho [Macromolecules,2011,vol. 44,# 7,p. 1909 - 1919] Location in patent:experimental part