Improved conditions for a direct and regioselective synthesis of 8-carboxyethyl-7-deazaguanine
作者:Jeff M. Pruet、Ilia Kevlishvili
DOI:10.1016/j.tetlet.2017.03.055
日期:2017.4
8-Carboxyethyl-7-deazaguanine (1) had failed to form through the typical cyclization conditions and previously required a considerably more longwinded synthetic approach to form over the furo-isomer (2). We report herein a more direct, simplified approach to 1 by iterative modification of the cyclization reaction conditions, which resulted in a complete reversal of regiochemistry in favor of the desired
Gibson, Colin L.; Ohta, Kyuji; Paulini, Klaus, Journal of the Chemical Society. Perkin transactions I, 1998, # 18, p. 3025 - 3031
作者:Gibson, Colin L.、Ohta, Kyuji、Paulini, Klaus、Suckling, Colin J.
DOI:——
日期:——
SUBSTITUTED PYRROLO[2,3-D]PYRIMIDINES FOR SELECTIVELY TARGETING TUMOR CELLS WITH FR-ALPHA AND FR-BETA TYPE RECEPTORS
申请人:DUQUESNE UNIVERSITY OF THE HOLY GHOST
公开号:US20170015672A1
公开(公告)日:2017-01-19
Pyrrolo[2,3-d]pyrimidine derivatives, and pharmaceutical acceptable salts thereof, useful in therapeutically treating patients with cancer are disclosed. These compounds selectively target folate receptors (FR) of cancerous tumor cells and inhibit purine synthesis and hence, DNA synthesis.
US9481678B2
申请人:——
公开号:US9481678B2
公开(公告)日:2016-11-01
Synthesis of potential inhibitors of GTP-cyclohydrolase I: an efficient synthesis of 8-substituted 7-deazaguanines
作者:Colin L. Gibson、Klaus Paulini、Colin J. Suckling
DOI:10.1039/a608297a
日期:——
A novel two step synthesis of 8-substituted 7-deazaguanines is
developed and involves the regioselective alkylation of pyrimidinones 1a
and 1b with nitrosoalkenes derived from α-halo oximes followed by
transoximation to give the 7-deazaguanines 6a–d in 41–65%
overall yield