Synthesis of Iodoaminoimidazole Arabinoside (IAIA): A Potential Reductive Metabolite of the Spect Imaging Agent, Iodoazomycin Arabinoside (IAZA)
摘要:
The stereospecific synthesis of 1-(5-deoxy-5-iodo-alpha-D-arabinofuranosyl)-2-aminoimidazole (iodoaminoimidazole arabinoside: IAIA, 2) is described. The reaction of the protected sugar bromide (8) and trifluoroacetamidoimidazole (10B) gave the coupled product (11B), which gave the free nucleoside (4) on deblocking. It was identical with AIA obtained by reduction of AZA (azomycin arabinoside), whose anomeric configuration was found to be a by the X-ray crystallography.
Synthesis of Iodoaminoimidazole Arabinoside (IAIA): A Potential Reductive Metabolite of the Spect Imaging Agent, Iodoazomycin Arabinoside (IAZA)
作者:Herbert C. Lee、Piyush Kumar、Leonard I. Wiebe、Robert McDonald、John R. Mercer、Kazue Ohkura、Koh-Ichi Seki
DOI:10.1080/07328319908044860
日期:1999.9
The stereospecific synthesis of 1-(5-deoxy-5-iodo-alpha-D-arabinofuranosyl)-2-aminoimidazole (iodoaminoimidazole arabinoside: IAIA, 2) is described. The reaction of the protected sugar bromide (8) and trifluoroacetamidoimidazole (10B) gave the coupled product (11B), which gave the free nucleoside (4) on deblocking. It was identical with AIA obtained by reduction of AZA (azomycin arabinoside), whose anomeric configuration was found to be a by the X-ray crystallography.
GUANICIDE COMPOUND AND FUNGICIDE
申请人:Nippon Soda Co., Ltd.
公开号:US20180146677A1
公开(公告)日:2018-05-31
A novel guanidine compound having excellent fungicidal activity is represented by formula [I]. (In the formula, Y represents a divalent group represented by formula [II] (wherein each of R
7
-R
9
independently represents a hydrogen atom or the like) or the like; each of X and Z independently represents an unsubstituted or substituted alkylene group or the like; each of Q
1
and Q
2
independently represents a single bond or the like; each of A
1
and A
2
independently represents an unsubstituted or substituted divalent heterocyclic compound residue or the like; and each of R
1
-R
6
independently represents a hydrogen atom or the like.)