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685860

Sigma-Aldrich

(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine

95% (HPLC)

Sinonimo/i:

(1R,2R)-1,2-Bis(2-hydroxyphenyl)-1,2-ethanediamine

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About This Item

Formula empirica (notazione di Hill):
C14H16N2O2
Numero CAS:
870991-70-1
Peso molecolare:
244.29
Numero MDL:
MFCD09751760
Codice UNSPSC:
12352116
ID PubChem:
24885846
NACRES:
NA.22

Saggio

95% (HPLC)

Forma fisica

powder

Attività ottica

[α]22/D +62°, c = 1% in chloroform

Punto di fusione

157-163 °C

Gruppo funzionale

amine

Stringa SMILE

N[C@@H]([C@H](N)c1ccccc1O)c2ccccc2O

InChI

1S/C14H16N2O2/c15-13(9-5-1-3-7-11(9)17)14(16)10-6-2-4-8-12(10)18/h1-8,13-14,17-18H,15-16H2/t13-,14-/m1/s1
MRNPLGLZBUDMRE-ZIAGYGMSSA-N

Descrizione generale

(1R, 2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine or (R, R)-1,2-bis(2-hydroxyphenyl)-1,2-diaminoethane (HPEN) is commonly used in the stereoselective synthesis of enantiopure compounds.

Applicazioni

(1R, 2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine can be used as a precursor for the synthesis of:
  • Enantiomerically pure trans-3-arylpiperazine-2-carboxylic acid derivatives via diaza-Cope rearrangement (DCR).
  • 4,4′-(1,2-Diazaniumylethane-1,2-diyl)dibenzoate trihydrate by treating with terephthalaldehydic acid.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302,H315,H319,H335

Classi di pericolo

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
MKCP5623
MKCM7937
MKCL7014
MKCK3589
MKCG7386

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4, 4?-(1, 2-Diazaniumylethane-1, 2-diyl) dibenzoate trihydrate
Numata T, et al.
IUCrData, 1(2), x160252-x160252 (2016)
Synthesis of Enantiopure Mixed Alkyl-Aryl Vicinal Diamines by the Diaza-Cope Rearrangement: A Synthesis of (+)-CP-99,994.
Kim, Miji and Kim, Hyeseung and Kim, Hyunwoo and Chin, Jik
The Journal of Organic Chemistry, 82(23), 12050-12058 (2017)
Stereospecific synthesis of C 2 symmetric diamines from the mother diamine by resonance-assisted hydrogen-bond directed diaza-Cope rearrangement.
Kim H, et al.
Journal of the American Chemical Society, 130(36), 12184-12191 (2008)
An efficient synthesis of chiral diamines with rigid backbones: Application in enantioselective michael addition of malonates to nitroalkenes.
Zhu, Qiming and Huang, Hanmin and Shi, Dengjian and Shen, Zhiqiang and Xia, Chungu
Organic Letters, 11(20), 4536-4539 (2009)
Short synthesis of enantiopure trans-3-arylpiperazine-2-carboxylic acid derivatives via diaza-Cope rearrangement
Kwon SH, et al.
Organic Letters, 14(14) (2012)

Articoli

Chiral Vicinal Diamines for Asymmetric Synthesis

Chiral vicinal diamines are of tremendous interest to the synthetic chemist as they are found in many chiral catalysts and pharmaceuticals.

Contenuto correlato

Chin Group – Professor Product Portal

The Chin group is interested in computational and experimental approaches to understanding stereoselective recognition and catalysis. Their studies in weak forces (H-bonding, electronic and steric effects) has led to a highly efficient method for making limitless varieties of chiral vicinal diamines from the 'mother diamine' that are useful for developing stereoselective organocatalysts or transition metal-based catalysts as well as for developing drugs (Acc Chem Res (2012) p1345). The 'mother diamine' is also useful for making binol, monophos and binap analogs. The Chin group is also interested in using reversible covalent bonds for stereoselective recognition and L to D conversion of natural and non-natural amino acids (EJOC (2012) p229).

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