A new crystal structure of clarithromycin

Jian Hua Liang; Guo Wei Yao

doi:10.1007/s10870-007-9287-5

A new crystal structure of clarithromycin

Jian Hua Liang^*, Guo Wei Yao

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

A new crystal structure of clarithromycin single acetonitrile solvate designated "Form III" was first determined by single crystal X-ray diffraction. The compound crystallized in the monoclinic system, P2 ₁ space group with a = 10.644(2) Å, b = 18.099(4) Å, c = 11.628(2) Å, α = γ = 90°, β = 95.38(3)°, V = 2230.1(8) Å³, Z = 2, D _c = 1.175 g/cm³, μ = 0.087 mm^-1, F(000) = 860, R ₁ = 0.034, wR ₂ = 0.062, S = 0.875, (Δ/σ)_max = 0.001 for 2,709 observed reflections (I > 2σ (Ι)). Form III of clarithromycin, contrary to Form I, is more thermodynamically stable than Form II used currently on the market.

Original language	English
Pages (from-to)	61-64
Number of pages	4
Journal	Journal of Chemical Crystallography
Volume	38
Issue number	1
DOIs	https://doi.org/10.1007/s10870-007-9287-5
Publication status	Published - Jan 2008

Keywords

Clarithromycin
Form III
Regioselectivity
Single crystal

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10.1007/s10870-007-9287-5

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title = "A new crystal structure of clarithromycin",

abstract = "A new crystal structure of clarithromycin single acetonitrile solvate designated {"}Form III{"} was first determined by single crystal X-ray diffraction. The compound crystallized in the monoclinic system, P2 1 space group with a = 10.644(2) {\AA}, b = 18.099(4) {\AA}, c = 11.628(2) {\AA}, α = γ = 90°, β = 95.38(3)°, V = 2230.1(8) {\AA}3, Z = 2, D c = 1.175 g/cm3, μ = 0.087 mm-1, F(000) = 860, R 1 = 0.034, wR 2 = 0.062, S = 0.875, (Δ/σ)max = 0.001 for 2,709 observed reflections (I > 2σ (Ι)). Form III of clarithromycin, contrary to Form I, is more thermodynamically stable than Form II used currently on the market.",

keywords = "Clarithromycin, Form III, Regioselectivity, Single crystal",

author = "Liang, {Jian Hua} and Yao, {Guo Wei}",

year = "2008",

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T1 - A new crystal structure of clarithromycin

AU - Liang, Jian Hua

AU - Yao, Guo Wei

PY - 2008/1

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N2 - A new crystal structure of clarithromycin single acetonitrile solvate designated "Form III" was first determined by single crystal X-ray diffraction. The compound crystallized in the monoclinic system, P2 1 space group with a = 10.644(2) Å, b = 18.099(4) Å, c = 11.628(2) Å, α = γ = 90°, β = 95.38(3)°, V = 2230.1(8) Å3, Z = 2, D c = 1.175 g/cm3, μ = 0.087 mm-1, F(000) = 860, R 1 = 0.034, wR 2 = 0.062, S = 0.875, (Δ/σ)max = 0.001 for 2,709 observed reflections (I > 2σ (Ι)). Form III of clarithromycin, contrary to Form I, is more thermodynamically stable than Form II used currently on the market.

AB - A new crystal structure of clarithromycin single acetonitrile solvate designated "Form III" was first determined by single crystal X-ray diffraction. The compound crystallized in the monoclinic system, P2 1 space group with a = 10.644(2) Å, b = 18.099(4) Å, c = 11.628(2) Å, α = γ = 90°, β = 95.38(3)°, V = 2230.1(8) Å3, Z = 2, D c = 1.175 g/cm3, μ = 0.087 mm-1, F(000) = 860, R 1 = 0.034, wR 2 = 0.062, S = 0.875, (Δ/σ)max = 0.001 for 2,709 observed reflections (I > 2σ (Ι)). Form III of clarithromycin, contrary to Form I, is more thermodynamically stable than Form II used currently on the market.

KW - Clarithromycin

KW - Form III

KW - Regioselectivity

KW - Single crystal

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A new crystal structure of clarithromycin

Abstract

Keywords

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