In the first step, a delocalized allyloxocarbenium ion (2) is formed, typically with the aid of a
Lewis acid like
indium(III) chloride or
boron trifluoride. This ion reacts
in situ with an alcohol, yielding a mixture of the α (3) and β (4)
anomers of the 2-glycoside, with the double bond shifted to position 3,4.[3]
By replacing the alcohol with a
silane, C-glycosides can be formed. With
triethylsilane (R'=H), the reaction yields a 2,3-unsaturated deoxy sugar.[3]
Nitrogen analogue
An analogous reaction with
nitrogen as the heteroatom was described in 1984 for the synthesis of the
antibiotic substance
streptazolin.[12]
References
^Ferrier, Robert J. (1979). "Unsaturated Carbohydrates. Part 21. A Carboxylic Ring Closure of a Hex-5-enopyranoside Derivative". J. Chem. Soc. Perkin Trans. 1: 1455–1458.
doi:
10.1039/P19790001455.
^Bert. Fraser- Reid; Bruno. Radatus (1970). "4,6-Di-O-acetyl-aldehydo-2,3-dideoxy-D-erythro-trans-hex-2-enose. Probable reason for the 'al' in Emil Fischer's triacetyl glucal". J. Am. Chem. Soc. 92 (17): 5288–5290.
doi:
10.1021/ja00720a087.
^Eleuterio Alvarez; Maria T. Diaz; Ricardo Perez; Jose L. Ravelo; Alicia Regueiro; Jose A. Vera; Dacil Zurita; Julio D. Martin (1994). "Simple Designs for the Construction of Complex trans-Fused Polyether Toxin Frameworks. A Linear Strategy Based on Entropically Favored Oxirane Ring Enlargement in Epoxycycloalkenes Followed by Carbon-Carbon or Carbon-Oxygen Bond-Forming Cyclizations". J. Org. Chem. 59 (10): 2848.
doi:
10.1021/jo00089a034.
^Ferrier, R. J.; Prasad, N. (1969). "Unsaturated carbohydrates. Part IX. Synthesis of 2,3-dideoxy-α-D-erythro-hex-2-enopyranosides from tri-O-acetyl-D-glucal". Journal of the Chemical Society C: Organic (4): 570–575.
doi:
10.1039/J39690000570.
^Ferrier, R. J.; Prasad, N. (1969). "Unsaturated carbohydrates. Part X. Epoxidations and hydroxylations of 2,3-dideoxy-α-D-hex-2-enopyranosides. The four methyl 4,6-di-O-acetyl-2,3-anhydro-α-D-hexopyranosides". Journal of the Chemical Society C: Organic (4): 575–580.
doi:
10.1039/J39690000575.
^Kelly, David R.; Picton, Mark R. (2000). "Catalytic tin radical mediated tricyclisations. Part 1. Monocyclisation studies". Journal of the Chemical Society, Perkin Transactions 1 (10): 1559.
doi:
10.1039/b000661k.
^Kelly, David R.; Picton, Mark R. (2000). "Catalytic tin radical mediated tricyclisations. Part 2". Journal of the Chemical Society, Perkin Transactions 1 (10): 1571.
doi:
10.1039/b000662i.
^Donohoe, Timothy J.; Blades, Kevin; Helliwell, Madeleine (1999). "Synthesis of amino-sugars using the directed dihydroxylation reaction". Chemical Communications (17): 1733–1734.
doi:
10.1039/a904991f.
^
Kozikowski, AP, Pyeong-uk Park (1984). "Synthesis of 2-substituted .DELTA.3-piperidines: the nitrogen analog of the Ferrier rearrangement. An approach to streptazolin". J. Org. Chem. 49 (9): 1674–1676.
doi:
10.1021/jo00183a044.{{
cite journal}}: CS1 maint: multiple names: authors list (
link)