First Synthesis of a Highly Basic Dendrimer and its Catalytic Application in Organic Methodology | Zendy

Sarkar Arunkanti | Zendy; Ilankumaran Palanichamy | Zendy; Kisanga Philip | Zendy; Verkade John G. | Zendy

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First Synthesis of a Highly Basic Dendrimer and its Catalytic Application in Organic Methodology

Author(s) -

Sarkar Arunkanti,

Ilankumaran Palanichamy,

Kisanga Philip,

Verkade John G.

Publication year - 2004

Publication title -

advanced synthesis and catalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.541

H-Index - 155

eISSN - 1615-4169

pISSN - 1615-4150

DOI - 10.1002/adsc.200404089

Subject(s) - chemistry , dendrimer , catalysis , organic synthesis , combinatorial chemistry , organic chemistry , nanotechnology , materials science

Sixteen OCH 2 CH 2 N 3 P( i ‐BuNCH 2 CH 2 ) 3 N substituents (A) containing the highly basic bicyclic azido‐phosphine moiety shown, have been incorporated into the dendrimer [CH 2 CH 2 N[(CH 2 ) 3 N[(CH 2 ) 3 NHC(O)‐3,5‐bis‐(A)‐C 6 H 3 ] 2 ] 2 ] 2 in five steps from commercially available starting materials with an overall yield of 22.5%. Also presented are examples of Michael additions, nitroaldol reactions and aryl isocyanate trimerizations that are efficiently catalyzed by the dendrimer.

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