6,6′-Dibromoindigo [27 ], BOC-protected 6,6′-dibromoindigo (2 ) [5 ,30 ], Ni(cod)2 (cod = 1,5-cyclooctadiene) [37 ,38 ] and Pd(PPh3)4 [39 ] were prepared as previously reported. Commercially available Ni(cod)2 was also used. 9,9-Dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol) ester was purchased from Sigma-Aldrich Co. LLC (Sigma-Aldrich Co. LLC., St. Louis, USA).
9 9 dioctylfluorene 2 7 diboronic acid bis 1 3 propanediol ester
Manufactured by Merck Group
Sourced in United States, United Kingdom
9,9-Dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol) ester is a chemical compound used in laboratory settings. It serves as a precursor for the synthesis of other organic compounds. The product's core function is to facilitate chemical reactions and analysis in a controlled environment.
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3 protocols using 9 9 dioctylfluorene 2 7 diboronic acid bis 1 3 propanediol ester
1
Synthesis of Bromoindigo Derivatives
2
Purification of Fluorene-based Compound
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9,9-Dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol) ester was obtained from Sigma Aldrich (Poole, UK) and recrystallized from DCM/hexane before use. The other materials were obtained commercially and used as received. Petrol used was petroleum ether of boiling range 40–60 °C.
3
Synthesis and Characterization of Multilayer Graphene Oxide
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Organic solvents and anhydrous sodium carbonate were purchased from Sinopharm Co. Ltd. The solvents used in this work were purified, dried, and distilled in dry nitrogen. 9,9-dioctyl-2,7-dibromofluorene and 9,9-dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol)ester were purchased from Sigma-Aldrich and used with no further purification. GO was prepared by the Hummers method from graphite powder, and dried for a week under vacuum.24 (link) The TEM of GO is shown in Fig. 1(a) ; it is established from the image that the GO is multilayer.
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