2-(R)-Fmoc-amino-3-azidopropionic acid - CAS 1016163-79-3

2-(R)-Fmoc-amino-3-azidopropionic acid - CAS 1016163-79-3 Catalog number: BADC-01938

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2-(R)-Fmoc-amino-3-azidopropionic acid is a click chemistry reagent containing an azide group.

Category
ADCs Linker
Product Name
2-(R)-Fmoc-amino-3-azidopropionic acid
CAS
1016163-79-3
Catalog Number
BADC-01938
Molecular Formula
C18H16N4O4
Molecular Weight
352.30
2-(R)-Fmoc-amino-3-azidopropionic acid

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BADC-01938 -- $--
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Description
2-(R)-Fmoc-amino-3-azidopropionic acid is a click chemistry reagent containing an azide group.
Synonyms
Fmoc-D-Ala(N3)-OH; Fmoc-D-Dap(N3)-OH; 3-Azido-N-Fmoc-D-alanine; Fmoc-d-aza-oh; (2R)-3-azido-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid; Fmoc D AZA OH
IUPAC Name
(2R)-3-azido-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
Canonical SMILES
CCOC(=O)C(C)(C)OC1=CC=C(C=C1)Cl
InChI
InChI=1S/C12H15ClO3/c1-4-15-11(14)12(2,3)16-10-7-5-9(13)6-8-10/h5-8H,4H2,1-3H3
InChIKey
KNHUKKLJHYUCFP-UHFFFAOYSA-N
Melting Point
118-124 °C
Appearance
White crystalline powder
Purity
≥ 98% (HPLC)
Quantity
Data not available, please inquire.
Storage
Store at 2-8 °C
1. Atmospheric Autoxidation of Organophosphate Esters
Zihao Fu, Hong-Bin Xie, Jonas Elm, Yang Liu, Zhiqiang Fu, Jingwen Chen Environ Sci Technol. 2022 Jun 7;56(11):6944-6955. doi: 10.1021/acs.est.1c04817. Epub 2021 Nov 18.
Organophosphate esters (OPEs), widely used as flame retardants and plasticizers, have frequently been identified in the atmosphere. However, their atmospheric fate and toxicity associated with atmospheric transformations are unclear. Here, we performed quantum chemical calculations and computational toxicology to investigate the reaction mechanism of peroxy radicals of OPEs (OPEs-RO2·), key intermediates in determining the atmospheric chemistry of OPEs, and the toxicity of the reaction products. TMP-RO2· (R1) and TCPP-RO2· (R2) derived from trimethyl phosphate and tris(2-chloroisopropyl) phosphate, respectively, are selected as model systems. The results indicate that R1 and R2 can follow an H-shift-driven autoxidation mechanism under low NO concentration ([NO]) conditions, clarifying that RO2· from esters can follow an autoxidation mechanism. The unexpected autoxidation mechanism can be attributed to the distinct role of the -(O)3P(═O) phosphate-ester group in facilitating the H-shift of OPEs-RO2· from commonly encountered -OC(═O)- and -ONO2 ester groups in the atmosphere. Under high [NO] conditions, NO can mediate the autoxidation mechanism to form organonitrates and alkoxy radical-related products. The products from the autoxidation mechanism have low volatility and aquatic toxicity compared to their corresponding parent compounds. The proposed autoxidation mechanism advances our current understanding of the atmospheric RO2· chemistry and the environmental risk of OPEs.
2. Hydrogen sulfide upregulates renal AQP-2 protein expression and promotes urine concentration
Renfei Luo, Shan Hu, Qiaojuan Liu, Mengke Han, Feifei Wang, Miaojuan Qiu, Suchun Li, Xiaosa Li, Tianxin Yang, Xiaodong Fu, Weidong Wang, Chunling Li FASEB J. 2019 Jan;33(1):469-483. doi: 10.1096/fj.201800436R. Epub 2018 Jul 23.
Increasing evidence supports the important role of H2S in renal physiology and the pathogenesis of kidney injury. Whether H2S regulates water metabolism in the kidney and the potential mechanism are still unknown. The present study was conducted to determine the role of H2S in urine concentration. Inhibition of both cystathionine-γ-lyase (CSE) and cystathionine-β-synthase (CBS), 2 major enzymes for endogenous H2S production, with propargylglycine (PPG) and amino-oxyacetate (AOAA), respectively, caused increased urine output and reduced urine osmolality in mice that was associated with decreased expression of aquaporin (AQP)-2 in the renal inner medulla. Mice treated with both PPG and AOAA developed a urine concentration defect in response to dehydration that was accompanied by reduced AQP-2 protein expression. Inhibition of CSE alone was associated with a mild decrease in AQP-2 protein level in the renal medulla of heterozygous CBS mice. GYY4137, a slow H2S donor, markedly improved urine concentration and prevented the down-regulation of renal AQP-2 protein expression in mice with lithium-induced nephrogenic diabetes insipidus (NDI). GYY4137 significantly increased cAMP levels in cell lysates prepared from inner medullary collecting duct (IMCD) suspensions. AQP-2 protein expression was also upregulated, but was significantly inhibited by the adenyl cyclase inhibitor MDL12330A or the PKA inhibitor H89, but not the vasopressin 2 receptor (V2R) antagonist tolvaptan. Inhibition of endogenous H2S production impaired urine concentration in mice, whereas an exogenous H2S donor improved urine concentration in lithium-induced NDI by increasing AQP-2 expression in the collecting duct principal cells. H2S upregulated AQP-2 protein expression, probably via the cAMP-PKA pathway.-Luo, R., Hu, S., Liu, Q., Han, M., Wang, F., Qiu, M., Li, S., Li, X., Yang, T., Fu, X., Wang, W., Li, C. Hydrogen sulfide upregulates renal AQP-2 protein expression and promotes urine concentration.
3. Cysteinyl Leukotriene Receptor 2 is Involved in Inflammation and Neuronal Damage by Mediating Microglia M1/M2 Polarization through NF-κB Pathway
Rui Zhao, Miaofa Ying, Shenglong Gu, Wei Yin, Yanwei Li, Hong Yuan, Sanhua Fang, Mingxing Li Neuroscience. 2019 Dec 1;422:99-118. doi: 10.1016/j.neuroscience.2019.10.048. Epub 2019 Nov 11.
Microglia activation plays a key role in regulating inflammatory and immune reaction during cerebral ischemia and it exerts pro-inflammatory or anti-inflammatory effect depending on M1/M2 polarization phenotype. Cysteinyl leukotriene 2 receptor (CysLT2R) is a potent inflammatory mediator receptor, and involved in cerebral ischemic injury, but the mechanism of CysLT2R regulating inflammation and neuron damage remains unclear. Here, we found that LPS and CysLT2R agonist NMLTC4 significantly increased microglia proliferation and phagocytosis, up-regulated the mRNA expression of M1 polarization markers (IL-1β, TNF-α, IFN-γ, CD86 and iNOS), down-regulated the expression of M2 polarization markers (Arg-1, CD206, TGF-β, IL-10, Ym-1) and increased the release of IL-1β and TNF-α. CysLT2R selective antagonist HAMI3379 could antagonize these effects. IL-4 significantly up-regulated the mRNA expression of M2 polarization markers, and HAMI3379 further increased IL-4-induced up-regulation of M2 polarization markers expression. Additionally, LPS and NMLTC4 stimulated NF-κB p50 and p65 proteins expression, and promoted p50 transfer to the nucleus. Pre-treatment with HAMI3379 and NF-κB signaling inhibitor Bay 11-7082 could reverse the up-regulation of p50 and p65 proteins expression, and inhibited p50 transfer to the nucleus. The conditional medium of BV-2 cells contained HAMI3379 could inhibit SH-SY5Y cells apoptosis induced by LPS and NMLTC4. These results were further confirmed in primary microglia. The findings indicate that CysLT2R was involved in inflammation and neuronal damage by inducing the activation of microglia M1 polarization and NF-κB pathway, inhibiting microglia M1 polarization and promoting microglia polarization toward M2 phenotype which may exerts neuroprotective effects, and targeting CysLT2R may be a new therapeutic strategy against cerebral ischemia stroke.
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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