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Two Closely Related {4-[(N-substituted amino)(diethoxyphosphoryl)methyl]phenyl}boronic Acids

Two Closely Related {4-[(N-substituted amino)(diethoxyphosphoryl)methyl]phenyl}boronic Acids

Rui Zhang, Yundi Zhang, Chunhua Ge, Jinpeng Miao, Xiangdong Zhang

Acta Crystallogr C Struct Chem. 2017 Jan 1;73(Pt 1):57-60.

PMID: 28035103

Abstract:

Organic phosphonic acids and organic phosphonic acid esters have been of much interest due to their applications in the fields of medicine, agriculture and industrial chemistry. Boronic acids can act as synthetic intermediates and building blocks and are used in sensing, protein manipulation, therapeutics, biological labelling and separation. The additional introduction of an aminophosphonic acid group into a boronic acid may give new opportunities for application. To study the structure of such multifunctional compounds, we prepared two new derivatives which can be easily converted to the corresponding phosphonic acids. In the title compounds, {4-[(butylamino)(diethoxyphosphoryl)methyl]phenyl}boronic acid monohydrate, C15H27BNO5P·H2O, (I), and {4-[(diethoxyphosphoryl)(4-nitroanilino)methyl]phenyl}boronic acid, C17H22BN2O7P, (II), three different substituents are attached to a central C-H group, namely 4-boronophenyl, diethoxyphosphoryl and amine. Compound (I) crystallizes as a monohydrate and OB-H...N hydrogen bonds link neighbouring molecules into chains along the [001] direction. The solvent water molecule connects two such chains running in opposite directions. Compound (II) crystallizes as an ansolvate and classical hydrogen bonds result in a layer structure in the (001) plane.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS793857	[4-(1-Piperidin-1-ylethyl)phenyl]boronic acid			Price

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