This invention relates to 3-mercapto-1-(1, 3-thiazolin-2-yl)azetidine represented by the following formula and its acid addition salts
and to the production process therefor. The above compounds are useful as intermediates for preparing carbapenem compounds, which have strong antibacterial activity, with convenience and high yield.
This invention relates to 3-mercapto-1-(1,3-thiazolin-2-yl)azetidine represented by the following formula and its acid addition salts ##STR1## and to the production process therefor. The above compounds are useful as intermediates for preparing carbapenem compounds, which have strong antibacterial activity, with convenience and high yield.
Design and synthesis of water soluble β-aminosulfone analogues of SCH 900229 as γ-secretase inhibitors
作者:Wen-Lian Wu、Duane A. Burnett、John Clader、William J. Greenlee、Qin Jiang、Lynn A. Hyde、Robert A. Del Vecchio、Mary E. Cohen-Williams、Lixin Song、Julie Lee、Giuseppe Terracina、Qi Zhang、Amin Nomeir、Eric M. Parker、Lili Zhang
DOI:10.1016/j.bmcl.2016.04.095
日期:2016.12
In this paper we describe our strategy to improve the aqueous solubility of SCH 900229, a potent PS1-selective gamma-secretase inhibitor for the treatment of Alzheimer's disease. Incorporation of ionizable amino groups into the side chain terminal generates water soluble beta-aminosulfone analogues of SCH 900229 that maintain robust in vitro potency and in vivo efficacy. (C) 2016 Elsevier Ltd. All rights reserved.
Novel efficient synthesis of 1-azabicyclo[1.1.0]butane and its application to the synthesis of 1-(1,3-thiazolin-2-yl)azetidine-3-thiol useful for the pendant moiety of an oral 1β-methylcarbapenem antibiotic L-084
1-Azabicyclo[1.1.0]butane 2 was successfully synthesized by treatment of 2,3-dibromopropylamine hydrobromide 4 with organolithium compounds and was readily converted to 1-(1,3-thiazolin-2-yl)azetidine-3-thiol hydrochloride 1 and versatile azetidine derivatives 9 and 10. (C) 1999 Elsevier Science Ltd. All rights reserved.