Rapid Synthesis of Aromatic Polyamide Dendrimers by an Orthogonal and a Double-Stage Convergent Approach

Rapid Synthesis of Aromatic Polyamide Dendrimers by an Orthogonal and a Double-Stage Convergent Approach

Aromatic polyamide dendrons (HOOC-G1 (6), Br-G2 (7), HOOC-G3 (8), and Br-G4 (9)) were synthesized by an orthogonal approach, which utilizes the direct condensation reaction and palladium-catalyzed carbon monoxide insertion reaction in an alternating fashion to form amide linkages. G1, possessing fou...

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Veröffentlicht in:Macromolecules 2000-05, Vol.33 (9), p.3202-3211
Hauptverfasser: Ishida, Yuichi, Jikei, Mitsutoshi, Kakimoto, Masa-aki
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Sprache:eng
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Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular structures
Preparation, kinetics, thermodynamics, mechanism and catalysts
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container_end_page 3211
container_issue 9
container_start_page 3202
container_title Macromolecules
container_volume 33
creator Ishida, Yuichi
Jikei, Mitsutoshi
Kakimoto, Masa-aki
description Aromatic polyamide dendrons (HOOC-G1 (6), Br-G2 (7), HOOC-G3 (8), and Br-G4 (9)) were synthesized by an orthogonal approach, which utilizes the direct condensation reaction and palladium-catalyzed carbon monoxide insertion reaction in an alternating fashion to form amide linkages. G1, possessing four amino groups (HOOC-G1-4NH2 (12)), and G2, possessing eight amino groups (HOOC-G2-8NH2 (14)), were also prepared independently. HOOC-G4 (15) was synthesized from 12 and 7, and HOOC-G5 (16) from 14 and 7 both with the double-stage convergent method. The aramid dendrons were soluble in amide solvents and THF. The coupling of dendrons with difunctional and trifunctional core molecules was attempted.
doi_str_mv 10.1021/ma991700v
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G1, possessing four amino groups (HOOC-G1-4NH2 (12)), and G2, possessing eight amino groups (HOOC-G2-8NH2 (14)), were also prepared independently. HOOC-G4 (15) was synthesized from 12 and 7, and HOOC-G5 (16) from 14 and 7 both with the double-stage convergent method. The aramid dendrons were soluble in amide solvents and THF. 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Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular structures
Preparation, kinetics, thermodynamics, mechanism and catalysts
title Rapid Synthesis of Aromatic Polyamide Dendrimers by an Orthogonal and a Double-Stage Convergent Approach
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