Benzylidene compounds

Benzylidene acetal of glucose.

Benzylidene compounds are, formally speaking, derivatives of benzylidene, although few are prepared from the carbene. Benzylidene acetal is a protecting group in synthetic organic chemistry of the form PhCH(OR)2. For example, 4,6-O-benzylidene-glucopyranose is a glucose derivative. Benzylidene is an archaic term for compounds of the type PhCHX2 and PhCH= substituents (Ph = C6H5). For example, dibenzylideneacetone is (PhCH=CH)2CO. Benzal chloride, PhCHCl2, is alternatively named benzylidene chloride.

Benzylidene is the molecule C6H5CH. It is a triplet carbene (CAS RN 3101-08-4). It is generated by irradiation of phenyldiazomethane.[1]

## See also

* Aurone
* 3,5-Difluoro-4-hydroxybenzylidene imidazolinone

## References

1. ↑ Platz, Matthew S. (1995). "Comparison of Phenylcarbene and Phenylnitrene". Accounts of Chemical Research 28 (12): 487–92. doi:10.1021/ar00060a004.

## External links

* Benzylidene+Compounds at the US National Library of Medicine Medical Subject Headings (MeSH)

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