Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 4728-12-5, name is (2,2-Dimethyl-1,3-dioxan-5-yl)methanol. This compound has unique chemical properties. The synthetic route is as follows. Formula: C7H14O3
To a solution of compound 24 (crude material max. 94 mmol)in dry DMF (600 ml) cooled to 0 C under argon atmosphere and NaH (60percent suspension in mineral oil; 6 g, 150 mmol, 1.6 eq.) was added. Reaction flask was filled with argon again and the mixture was stirred for 20 min. to preform sodium salt of alcohol. Benzylbromide (14.6 ml, 123 mmol, 1.3 eq.) was added and reaction flask was filled with argon again. The resulting mixture was let to warmto room temperature and stirred overnight. Water (100 ml) was added and mixture was stirred for 30 min. Solvent was evaporated in vacuo and the residue was codistilled with toluene (3). Crude material was suspended in EtOAc (250 ml) and mixture of saturatedsolution of NH4Cl (20 ml) and water (180 ml) was added.Water phase was extracted with EtOAc (2 150 ml). The organic phase was collected (250 + 150 + 150 ml) and washed with water(2 200 ml), followed by brine (1 200 ml) and dried overMgSO4. The solution was filtered and evaporated in vacuo. The residue(crude compound 25, red-brown oil) was diluted in MeOH(700 ml) and water (70 ml). DOWEX (50WX8 H+, 30 g) was addedand the mixture was heated at 50 C and stirred overnight. Reactionmixture was cooled down to room temperature and filteredthrough the frit (S3), evaporated in vacuo and codistilled withtoluene (3). Crude product 26 was obtained as brown oil andused in the next reaction step without purification. Reaction wasmonitored by TLC. Small amount of crude product was purifiedby flash chromatography (silica gel; eluent CHCl3/MeOH, gradient2?15percent) to obtain an analytical sample
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Reference:
Article; ?pa?ek, Petr; Keough, Dianne T.; Chavchich, Marina; Dra?insky, Martin; Janeba, Zlatko; Naesens, Lieve; Edstein, Michael D.; Guddat, Luke W.; Hockova, Dana; Bioorganic and Medicinal Chemistry; vol. 25; 15; (2017); p. 4008 – 4030;,
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