Efficient Synthesis of New 4-Arylideneimidazolin-5-ones Related to the GFP Chromophore by 2+3 Cyclocondensation of Arylideneimines with Imidate Ylides
作者:Janusz Kowalik、Anthony Baldridge、Laren Tolbert
DOI:10.1055/s-0029-1218796
日期:2010.7
A 2+3 condensation of a wide assortment of Schiff bases, prepared from aromatic aldehydes and primary amines, with methyl 2-(1-ethoxyethylideneamino)acetate allows convenient access to an extensive family of substituted 4-arylideneimidazolin-5-one analogues of the green fluorescent protein (GFP) chromophore. 4-arylideneimidazolin-5-one - azomethine ylide - Schiff bases - heterocycle - 2+3 cycloaddition
chromophore-based fluorescentprobe (BDI-ER) was designed and prepared for selectively labelingendoplasmicreticulum. The core chromophore of BDI-ER is HBDI which derived from the core structure of GFP. And two hydrophobic octadecane chains was anchored on the two tails of the BDI-ER, which allows the amphipathic nature of the probe. BDI-ER exhibited high selectivity for labelling ER in various cell lines.
设计并制备了一种新的基于 GFP 发色团的荧光探针 (BDI-ER),用于选择性标记内质网。BDI-ER的核心发色团是衍生自GFP核心结构的HBDI。两条疏水性十八烷链锚定在 BDI-ER 的两条尾巴上,这使得探针具有两亲性。BDI-ER 在各种细胞系中对标记 ER 表现出高选择性。
An endoplasmic reticulum targeting green fluorescent protein chromophore-based probe for the detection of viscosity
The occurrence of endoplasmic reticulum (ER) stress is the main cause of a variety of biological processes that are closely related to numerous diseases.
This work discovered that fluorescence protein chromophore analogs can undergo triplet excitation, enabling photo-crosslinking and photo-sensitizing chemistries. Exploration of these syntheticfluorescent protein chromophores resulted in photo-crosslinkers for biomolecules, photo-catalysts for organic reactions, and photosensitizers for chromophore-assisted light inactivation and photodynamic therapies