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1600 series ftir spectrophotometer

Manufactured by PerkinElmer

The 1600 Series FTIR Spectrophotometer is a compact and versatile instrument designed for infrared spectroscopy analysis. It utilizes Fourier Transform Infrared (FTIR) technology to provide high-resolution, accurate, and reproducible measurements of a wide range of samples.

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6 protocols using 1600 series ftir spectrophotometer

1

Characterization of Organic Compounds by Spectroscopy

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All chemical reagents (Sigma-Aldrich, Merck, Alfa Acros, Fluka and Showa) were used as received without further purification. TLC 60 F254 (Merck) was used for thin layer chromatography (TLC) and silica gel 60 (Merck, 70-230 mesh) was used for column chromatography. Infrared (IR) spectroscopy was performed by Perkin-Elmer 1600 series FT-IR Spectrophotometer. NMR spectra were recorded in DMSO-d6 or acetic acid-d4 at 300 or 400 MHz for 1H by Varian GEMINI-300 or 400 FT-NMR Spectrometer (currently merged to Agilent Technologies), respectively.
Chemical shift (δ) was expressed as in parts per million (ppm) and the coupling constant (J) was reported in Hertz (Hz). These products were characterized by HRMS (Micromass® LCT Premier XE, currently merged to Waters Technologies) (positive mode, electrospray + ionization (ESI)).
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2

General Organic Reaction Protocols

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General: All the reactions
were carried out in oven-dried glassware. The chemicals and solvents
were purchased from Sigma-Aldrich, Spectrochem, or Acros and were
used without any purification except THF (tetrahydrofuran), which
was dried by refluxing over sodium followed by distillation. Reactions
were monitored by TLC, which are precoated by silica gel (Kieselgel
60F 254, Merck), and the spots were detected under UV light (254 nm).
Compounds were purified by column chromatography using silica gel
(particle size 100–200 mesh). 1H and 13C NMR spectra were characterized in CDCl3 or DMSO-d6 solution by using (Wormhole-vnmrs/Bruker/Jeol-Delta/Varian)
400/300 MHz spectrophotometers. Chemical shifts are reported as ppm
(δ) relative to TMS (δ 0.0) as the internal standard. 1H NMR data is recorded as follows: chemical shift [multiplicity,
coupling constant(s) J (Hz), relative integral] where
multiplicity is defined as s (singlet), d (doublet), t (triplet),
q (quartet), m (multiplet), and bs (broad singlet). Mass spectra were
recorded on a 6430 Triple quardrupole mass spectrometer for ESI and
are given in m/z. FTIR spectra were
recorded on a PerkinElmer 1600 series FTIR spectrophotometer. UV spectra
were recorded on a PerkinElmer Lambda 25 UV–visible spectrophotometer
(USA).
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3

Amber Fourier-Transform Infrared Analysis

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Solid-state Fourier-transform infrared analysis was performed on freshly powdered samples of amber from a cone portion included in potassium bromide pellets. A Perkin Elmer 1600 Series FTIR Spectrophotometer was used in the wavelength range 2.5–15 μm (4000–670 cm− 1).
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4

Synthesis and Characterization of Iodane Reagents

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All reactions were performed under dry argon atmosphere with flame-dried glassware. All commercial reagents were ACS reagent grade and used without further purification. Dichloromethane was distilled from CaH2 immediately prior to use. Melting points were determined in an open capillary tube with a Mel-temp II melting point apparatus. Infrared spectra were recorded on a Perkin-Elmer 1600 series FT-IR spectrophotometer, and peaks were reported in reciprocal centimeters (cm–1). 1H NMR spectra were recorded on a Varian Inova 500 and 300 MHz NMR spectrometer; 13C NMR spectra were recorded on Varian Inova 500 and Varian 300 MHz NMR spectrometers at 125 and 75 MHz, respectively. Chemical shifts are reported in parts per million (ppm). 1H and 13C chemical shifts are referenced relative to tetramethylsilane. X-ray crystal analysis was performed by Rigaku RAPID II XRD Image Plate using graphite-monochromated MoKα radiation (λ = 0.71073 Å) at 173 K. (N-p-Tosylimino)phenyl-λ3-iodane 2a [41 (link)], (N-p-nosylimino)phenyl-λ3-iodane 2b [42 (link)], (N-o-nosylimino)phenyl-λ3-iodane 2c [43 (link)], and N-(phenylsulfonylimino)-phenyl-λ3-iodane 2d [44 (link)] were prepared according to the reported procedures.
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5

NMR, IR, and UV-Vis-NIR Spectroscopic Characterization

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NMR spectra were performed in J. Young tubes. 1H and 13C NMR spectra were recorded on a Bruker 400 MHz spectrometer. Quantitative 13C NMR were recorded on a Bruker 600 MHz. NMR chemical shifts are reported in ppm and were referenced to the residual 1H and 13C signals of the deuterated solvents.
IR spectra were recorded with a Perkin Elmer 1600 Series FTIR spectrophotometer flushed with argon. The UV-Vis-NIR spectra were performed with a Perkin Elmer Lambda 750 instrument. The spectra were recorded at 25 °C in 1 mm cells adapted with J. Young valves for 3.8–8.3 mM toluene solutions of complexes 3–8.
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6

FTIR Spectroscopy: Sample Analysis

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Fourier transform infrared spectra (FTIR) were obtained on a Perkin Elmer 1600 Series FTIR Spectrophotometer. Each sample was scanned 32 times with a resolution of 4 cm −1.
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