Technology Process of L-aculose
There total 2 articles about L-aculose which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
titanium(IV) isopropylate; tert.-butylhydroperoxide; L-(+)-diisopropyl tartrate;
Yield given. Multistep reaction. Yields of byproduct given;
1a) CH2Cl2, molecular sieves 3 Angstroem, 1b) cooled, 30 min, 2) 5 h, -20 deg C, 2,2,4-trimethylpentane;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: dmap / dichloromethane / 12 h / -78 - -30 °C / Inert atmosphere
2: tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine / tetrahydrofuran; dichloromethane / 6 h / 0 °C / Inert atmosphere
3: sodium tetrahydroborate; cerium(III) chloride / methanol; dichloromethane / 1 h / -78 °C
4: osmium(VIII) oxide; 4-methylmorpholine N-oxide / water; acetone; tert-butyl alcohol / 4 h / 0 °C
With
dmap; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; sodium tetrahydroborate; osmium(VIII) oxide; cerium(III) chloride; 4-methylmorpholine N-oxide; triphenylphosphine;
In
tetrahydrofuran; methanol; dichloromethane; water; acetone; tert-butyl alcohol;
3: Luche reduction / 4: Upjohn dihydroxylation;
DOI:10.1021/ml100219d