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Synlett 1999; 1999(2): 201-203
DOI: 10.1055/s-1999-2585
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Synthesis of Novel Azidocastasterone Derivative as a Potential Photoaffinity Label for the Brassinosteroid Receptor

Thomas G. Back* , Kazimierz Minksztym
  • *Department of Chemistry, University of Calgary, Calgary, Alberta, Canada, T2N 1N4; Fax +1(4 03)2 89-94 88; E-mail: tgback@ucalgary.ca
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Publication Date:
31 December 1999 (online)

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(22R,23R,24R)-24-Azido-26,27,28-trinorcastasterone (3) was synthesized from stigmasterol in 12 steps via the reaction of Ti(O-iPr)2(N3)2 with the corresponding suitably protected threo-22-hydroxy-23,24-epoxide 4.

brassinosteroid - azidobrassinosteroid - azidocastasterone - photoaffinity label