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527254

Sigma-Aldrich

(Trimethylsilyl)diazomethane solution

2.0 M in diethyl ether

Synonym(s):

TMS-Diazomethane solution, (Diazomethyl)trimethylsilane

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About This Item

Linear Formula:
(CH3)3SiCHN2
CAS Number:
Molecular Weight:
114.22
Beilstein:
1902903
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

concentration

2.0 M in diethyl ether

density

0.773 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

C[Si](C)(C)C=[N+]=[N-]

InChI

1S/C4H10N2Si/c1-7(2,3)4-6-5/h4H,1-3H3

InChI key

ONDSBJMLAHVLMI-UHFFFAOYSA-N

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General description

(Trimethylsilyl)diazomethane is considered as a non-explosive substitute to diazomethane for the homologation of carbonyl derivatives, mainly ketones, via reactions such as Tiffeneau-Demjanov rearrangement.

Application

Reactant for preparation of:
  • Macrolactam analogs of the natural product macrolide (-)-A26771B with improved metabolic stability and antibacterial activity
  • Aigialomycin D analogues as protein kinase inhibitors for cancer treatment
  • Unnatural α-amino acid derivatives containing gem-bisphosphonates via Michael addition reaction
  • Capped 4-methylumbelliferyl hyaluronan disaccharides and tetrasaccharides as potential hyaluronidase substrates
  • Stictamides A-C as matrix metallopeptidase 12 (MMP12) inhibitors with antitumor invasion activity
  • Endothelin converting enzyme (ECE) Inhibitors WS 75624A and WS 75624B via a cross-metathesis approach
  • Ent-kaurene derivatives as anti-inflammatory agents
  • Desmosdumotin C analogs as potent antitumor agents acting via activation of spindle assembly checkpoint
  • Imidazolo[2,1-b]benzothiazole derivatives as potential p53 inhibitors

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Pricing

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Flam. Liq. 2 - STOT SE 1 Inhalation - STOT SE 3

Target Organs

Central nervous system, Lungs

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-31.0 °F - closed cup

Flash Point(C)

-35 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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A new, stable, and safe reagent for the homologation of ketones.
Hashimoto N
Tetrahedron Letters, 21(48), 4619-4622 (1980)
Homologation reaction of ketones with diazo compounds.
Candeias N R
Chemical Reviews, 116(5), 2937-2981 (2016)
Sean Flaherty et al.
Electrophoresis, 23(14), 2327-2332 (2002-09-05)
The investigation of emerging contaminant issues is a proactive effort in environmental analysis. As a part of this effort, sewage effluent is of current analytical interest because of the presence of pharmaceuticals and their metabolites and personal care products. The
Meixia Chen et al.
Analytical and bioanalytical chemistry, 402(2), 791-798 (2011-10-18)
Alendronate is an important representative of bisphosphonates, strongly polar compounds that lack chromophores. With rare exceptions, derivatization of the analytes is necessary for bioanalysis. In this study, a rapid liquid chromatography-tandem mass spectrometry method employing pre-column derivatization was developed and
Huaqing Liu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(38), 11889-11893 (2012-08-16)
Teaching new tricks to an old dog: By intercepting adducts between ketones and lithium trimethylsilyldiazomethane, a new Tiffeneau-Demjanov type methylene homologation could be realized in a single-step operation. Among proton sources and Lewis acids, silica gel was found to be

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