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2-{[(Pyrazin-2-yl)amino]-meth-yl}phenol.

ABSTRACT: The two aromatic rings of the title compound, C(11)H(11)N(3)O, are nearly perpendicular to one another, with a dihedral angle between their planes of 80.52 (18)°. In the crystal, the amino N atom is a hydrogen-bond donor to the pyrazine N(1) atom of an inversion-related mol-ecule and the hy-droxy O atom is a hydrogen-bond donor to the pyrazine N(4) atom of another mol-ecule. The two hydrogen bonds lead to the formation of a helical chain that runs along the b axis.

SUBMITTER: Gao S

PROVIDER: S-EPMC3414927 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-[(2-Hy-droxy-benz-yl)amino]-pyrazinium perchlorate-2-[(pyrazin-2-yl-amino)-meth-yl]phenol (1/1).

Project description:In the crystal structure of the title co-crystal, C(11)H(12)N(3)O(+)·ClO(4) (-)·C(11)H(11)N(3)O, the perchlorate ion is disordered about a twofold rotation axis with the Cl atom located on the twofold rotation axis; the 2-[(2-hy-droxy-benz-yl)amino]-pyrazinium cation and the neutral 2-[(pyrazin-2-yl-amino)-meth-yl]phenol mol-ecule are disordered about the rotation axis in a 1:1 ratio. These two are connected by a pyrazine-pyrazine N(1)-H⋯N(4) hydrogen bond. The cation, whose two aromatic rings are twisted along the -CH(2)-NH- bond by 76.8 (1)°, is a hydrogen-bond donor to the perchlorate ion through the N atom of this link.

| S-EPMC3414930 | biostudies-literature

catena-Poly[[silver(I)-?-2-[(pyrazin-2-yl-?(2)N(1):N(4))amino-meth-yl]phenol] nitrate].

Project description:The Ag(I) atom in the polycationic salt, {[Ag(C(11)H(11)N(3)O)]NO(3)}(n), shows a linear coordination [N-Ag-N = 175.0?(2)°]; the polymeric nature arises from bridging by the pyrazine portion of the ligand, resulting in chains extending parallel to [100]. The NO(3) (-) counter-ions surround the polymeric chain and inter-act only weakly with it [Ag?O = 2.701?(4) and 2.810?(5)?Å]. Adjacent chains are linked into a three-dimensional network by O-H?O and N-H?O hydrogen bonds.

| S-EPMC3435594 | biostudies-literature

2-[(Pyridin-3-yl-amino)-meth-yl]phenol.

Project description:In the title compound, C(12)H(12)N(2)O, the aromatic rings at either ends of the -CH(2)-NH- link are twisted by 68.79 (7)°. In the crystal, the hy-droxy substituent is a hydrogen-bond donor to the N atom of the pyridine ring of an adjacent mol-ecule, and the hydrogen bond generates a chain along the b axis; it is also a hydrogen-bond acceptor to the amino group of another adjacent mol-ecule. The two hydrogen bonds lead to the formation of a layer structure.

| S-EPMC3238919 | biostudies-literature

2-[(Pyrimidin-2-yl-amino)-meth-yl]phenol.

Project description:In the title compound, C(11)H(11)N(3)O, the aromatic rings at either ends of the -CH(2)-NH- link are twisted by 72.58 (8)°; the hy-droxy substituent is a hydrogen-bond donor to an N atom of the pyrimidine ring. The other N atom of the pyrimidine ring is a hydrogen-bond acceptor to the amino group of an inversion-related mol-ecule.

| S-EPMC3238918 | biostudies-literature

2-{[(Pyridin-2-yl)amino]-meth-yl}phenol.

Project description:The planes of the aromatic rings of the title compound, C(12)H(12)N(2)O, are twisted by 50.33 (15)°. The phenol O atom is a hydrogen-bond donor to the pyridine N atom, resulting in the formation of an eight-membered ring in the mol-ecule. The amino N atom is a hydrogen-bond donor to the phenol O atom of an adjacent mol-ecule; this hydrogen bond leads to the formation of a helical chain that runs along the a axis.

| S-EPMC3414928 | biostudies-literature

2-[(Adamantan-1-yl-amino)-meth-yl]phenol.

Project description:The asymmetric unit of the title compound, C(17)H(23)NO, contains two independent mol-ecules. In both mol-ecules, the hy-droxy group is involved in the formation of an intra-molecular O-H⋯N hydrogen bond. In the crystal, there are two crystallographically independent chains of the mol-ecules propagating along the c axis and formed by weak inter-molecular N-H⋯O hydrogen bonds.

| S-EPMC3274986 | biostudies-literature

4-Amino-N-(3-meth-oxy-pyrazin-2-yl)benzene-sulfonamide.

Project description:The overall mol-ecular geometry of the title compound, C(11)H(12)N(4)O(3)S, is bent, with a dihedral angle of 89.24 (5)° between the best planes through the two aromatic rings. Each mol-ecule behaves as a hydrogen-bond donor toward three different mol-ecules, through its amidic and the two aminic H atoms, and it behaves as a hydrogen-bond acceptor from two other mol-ecules via one of its sulfonamidic O atoms. In the crystal, mol-ecules linked by N-H⋯N and N-H⋯O hydrogen bonds form kinked layers parallel to (001), adjacent layers being connected by van der Waals inter-actions.

| S-EPMC2983257 | biostudies-literature

2-[(4-Chloro-phenyl)-amino-meth-yl]phenol.

Project description:In the title mol-ecule, C(13)H(12)ClNO, the two benzene rings are twisted from each other by a dihedral angle of 68.60 (8)°. In the crystal structure, the hy-droxy and amino H atoms are involved in inter-molecular hydrogen bonds, O-H⋯N and N-H⋯O, respectively, resulting in R(4) (4)(8) loops about inversion centers.

| S-EPMC3200954 | biostudies-literature

2-[(E)-(2-Amino-phen-yl)imino-meth-yl]-5-(dimethyl-amino)phenol.

Project description:The mol-ecule of the title compound, C(17)H(21)N(3)O, displays a trans configuration with respect to the C=N double bond. The dihedral angle between the planes of the two benzene rings is 50.96?(11)° and a strong intra-molecular O-H?N hydrogen bond is present. An inter-molecular N-H?O hydrogen-bonding inter-action stabilizes the crystal structure.

| S-EPMC2969689 | biostudies-literature

2-[1-({2-[1-(2-Hy-droxy-5-{[meth-yl(phen-yl)amino]-meth-yl}phen-yl)ethyl-idene-amino]-eth-yl}imino)-eth-yl]-4-{[meth-yl(phen-yl)amino]-meth-yl}phenol.

Project description:Mol-ecules of the title compound, C(34)H(38)N(4)O(2), lie across crystallographic inversion centres. The crystal packing can be described by alternating zigzag chains along the c axis in which the molecules are linked by van der Waals interactions. There is an intra-molecular O-H⋯N hydrogen bond and the two benzene rings in the asymmetric unit make a dihedral angle of 79.81 (6)°.

| S-EPMC3344659 | biostudies-literature

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