TosMIC

Source: Wikipedia, the free encyclopedia.
TosMIC[1]
Names
Preferred IUPAC name
1-(Isocyanomethanesulfonyl)-4-methylbenzene
Other names
Toluenesulfonylmethyl isocyanide
Identifiers
3D model (
JSmol
)
ChemSpider
ECHA InfoCard
100.048.293 Edit this at Wikidata
EC Number
  • 36635-61-7
UNII
  • InChI=1S/C9H9NO2S/c1-8-3-5-9(6-4-8)13(11,12)7-10-2/h3-6H,7H2,1H3 checkY
    Key: CFOAUYCPAUGDFF-UHFFFAOYSA-N checkY
  • InChI=1/C9H9NO2S/c1-8-3-5-9(6-4-8)13(11,12)7-10-2/h3-6H,7H2,1H3
    Key: CFOAUYCPAUGDFF-UHFFFAOYAC
  • O=S(=O)(c1ccc(cc1)C)C[N+]#[C-]
Properties
C9H9NO2S
Molar mass 195.24 g·mol−1
Melting point 109 to 113 °C (228 to 235 °F; 382 to 386 K)
Hazards
GHS labelling:
GHS06: Toxic
Danger
H301, H311, H331
P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P311, P312, P321, P322, P330, P361, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

TosMIC (toluenesulfonylmethyl isocyanide) is an

nitriles or in the preparation of oxazoles[2] and imidazoles.[3] The versatility of TosMIC in organic synthesis has been documented.[4] It is a fairly strong carbon acid, with an estimated pKa of 14 (compared to 29 for methyl tolyl sulfone), the isocyano group acting as an electron acceptor of strength comparable to an ester group.[5]

Further reading

References

  1. ^ p-Toluenesulfonylmethyl isocyanide at Sigma-Aldrich
  2. PMID 26549317
    .
  3. ^ Hoogenboom, B. E.; Oldenziel, O. H.; van Leusen, A. M. (1977). "p-TOLYLSULFONYLMETHYL ISOCYANIDE". Organic Syntheses. 57: 102; Collected Volumes, vol. 6, p. 987.
  4. ^ "Toluenesulphonylmethyl isocyanide (TOSMIC) and the van Leusen MCR". www.organic-chemistry.org. Retrieved 2017-02-28.
  5. .
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