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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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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

Regulatory Information

监管及禁止进口产品

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Homologation reaction of ketones with diazo compounds.
Candeias N R
Chemical Reviews, 116(5), 2937-2981 (2016)
Hélène Lebel et al.
The Journal of organic chemistry, 73(17), 6828-6830 (2008-07-30)
Rhodium- and copper-catalyzed methylenation reactions with trimethylsilyldiazomethane, triphenylphosphine, and 2-propanol were used to react chemoselectively with aldehydes, alkoxymethylketones, and trifluoromethylketones in substrates also containing a less reactive carbonyl group. Terminal alkenes were obtained in high yields, and no protecting group
Andreas Ranz et al.
Journal of chromatography. A, 1192(2), 282-288 (2008-04-15)
Microwave radiation is used to speed up chemical derivatization. In the present study, three microwave-assisted techniques for the methylation of chlorophenoxy acid herbicides prior to analysis by gas chromatography coupled with mass spectrometry are compared. Derivatization was performed with the
Natalia Migowska et al.
Analytical and bioanalytical chemistry, 397(7), 3029-3034 (2010-06-22)
Non-steroidal anti-inflammatory drugs (NSAIDs) are among the most common groups of pharmaceuticals detected in environmental matrices. Although several derivatization procedures have been employed in the gas chromatographic analysis of NSAIDs, the application of trimethylsilyldiazomethane has never yet been reported. This
Sean K J Devine et al.
Organic letters, 10(10), 1909-1911 (2008-04-12)
Palladium catalysts are shown to catalyze the three-component coupling of vinyl halides, trimethylsilyldiazomethane, and stabilized carbon nucleophiles. The reaction is believed to proceed through a palladium-carbene intermediate LX(R)PdCHSiMe 3 that undergoes migration of the vinyl substituent to the electrophilic carbene

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