Dynamic kinetic resolution of racemic α-sulfonylaldehydes via asymmetric transfer hydrogenation
摘要:
Hydrogen transfer reduction of alpha-sulfonylaldehydes using HCOOH-Et3N system as hydrogen source and (S,S)-TsDPEN-based Ru(II) as catalyst proceeds with dynamic kinetic resolution, providing optically active p-sulfonyl primary alcohols in moderate-to-good yields and up to 90% ee. (c) 2008 Elsevier Ltd. All rights reserved.
Hydrogen transfer reduction of alpha-sulfonylaldehydes using HCOOH-Et3N system as hydrogen source and (S,S)-TsDPEN-based Ru(II) as catalyst proceeds with dynamic kinetic resolution, providing optically active p-sulfonyl primary alcohols in moderate-to-good yields and up to 90% ee. (c) 2008 Elsevier Ltd. All rights reserved.