tert-Butyl 4-chloro-3-formylpyridin-2-ylcarbamate
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tert-Butyl 4-chloro-3-formylpyridin-2-ylcarbamate

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Category
Cyclic Amino Acids
Catalog number
BAT-008910
CAS number
868736-42-9
Molecular Formula
C11H13ClN2O3
Molecular Weight
256.68
tert-Butyl 4-chloro-3-formylpyridin-2-ylcarbamate
IUPAC Name
tert-butyl N-(4-chloro-3-formylpyridin-2-yl)carbamate
Synonyms
tert-Butyl (4-chloro-3-formylpyridin-2-yl)carbamate; tert-Butyl 4-chloro-3-formylpyridin-2-ylcarbamate
InChI
InChI=1S/C11H13ClN2O3/c1-11(2,3)17-10(16)14-9-7(6-15)8(12)4-5-13-9/h4-6H,1-3H3,(H,13,14,16)
InChI Key
QWVXQYZWGQFXPU-UHFFFAOYSA-N
Canonical SMILES
CC(C)(C)OC(=O)NC1=NC=CC(=C1C=O)Cl
1. Poly[(μ(2)-4,4'-bipyridine)bis-(μ(4)-5-tert-butyl-isophthalato)bis-(μ(3)-5-tert-butyl-isophthalato)di-μ(3)-hydroxido-penta-zinc(II)]
Dong-Sheng Zhou, Di Sun, Shi-Yao Yang, Rong-Bin Huang Acta Crystallogr Sect E Struct Rep Online. 2009 Aug 15;65(Pt 9):m1078-9. doi: 10.1107/S1600536809031365.
The asymmetric unit of the title compound, [Zn(5)(C(12)H(12)O(4))(4)(OH)(2)(C(10)H(8)N(2))](n), consists of three Zn(II) ions (one of which is located on a twofold rotation axis), two 5-tert-butyl-isophthalate ligands, one 4,4'-bipyridine ligand and one hydroxide group. The five Zn(II) ions form a penta-nuclear zinc cluster, which is further bridged by ten organic ligands, forming two-dimensional sheets. The central zinc ion of the cluster has site symmetry 2 and is octahedrally coordinated in a N(2)O(4) donor set, whereas the other four zinc atoms are tetrahedrally coordinated by four O atoms. The coordination modes for the 5-tert-butyl-isophthalates are bis-(bidentate) or bidentate-monodentate. Hydrogen bonds are formed between adjacent sheets through the hydroxide groups and the O atoms of the monodentate carboxyl-ate groups. The two tert-butyl groups are disordered over two positions with ratios of 0.64 (2):0.36 (2) and 0.85 (3):0.15 (3).
2. 5-tert-Butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)-2-thien-yl]-1,3-benzoxazole
Yu-Feng Li, Lin-Tong Wang, Fang-Fang Jian Acta Crystallogr Sect E Struct Rep Online. 2008 Nov 22;64(Pt 12):o2410. doi: 10.1107/S1600536808037665.
The title compound, C(26)H(26)N(2)O(2)S, was prepared by the reaction of thio-phene-2,5-dicarboxylic acid and 2-amino-4-tert-butyl-phenol. One of the tert-butyl groups is disordered over two conformations, with occupancies of 0.539 (1) and 0.461 (2). The two 1,3-benzoxazole rings are almost planar, with dihedral angles of 0.83 (18) and 1.64 (17)° between the five- and six-membered rings. The thio-phene ring makes dihedral angles of 21.54 (19) and 4.49 (18)° with the planes of the five-membered oxazole rings. The crystal packing is controlled by π-π stacking inter-actions involving the thio-phene and benzene rings, with a centroid-centroid distance of 3.748 (2) Å.
3. Bis-(3-tert-butyl-pyridine-κN)bis-(4-tert-butyl-pyridine-κN)bis(thio-cyanato-κN)cadmium
Thorben Reinert, Inke Jess, Christian Näther Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 1;68(Pt 11):m1372. doi: 10.1107/S1600536812040081. Epub 2012 Oct 20.
The asymmetric unit of the title compound, [Cd(NCS)(2)(C(9)H(13)N)(4)], consists of one Cd(II) cation located on a centre of inversion, one thio-cyanate anion, one 3-tert-butyl-pyridine ligand and one 4-tert-butyl-pyridine ligand in general positions. The tert-butyl group of the 4-tert-butyl-pyridine ligand is disordered over two sets of sites in a 0.25:0.75 ratio and was refined using a split model. The Cd(II) cation is coordinated by six N atoms of four tert-butyl-pyridine ligands and two N-bonded thio-cyanate anions within a slightly distorted octa-hedral coordination environment.
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