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ChemicalBook CAS DataBase List CORTEX ALDEHYDE 50 BENZYL ALCOHOL
2120-70-9

CORTEX ALDEHYDE 50 BENZYL ALCOHOL synthesis

14synthesis methods
From phenol in weak aqueous alkali with monochloroacetaldehyde dimethyl acetal to yield the acetal which is then hydrolysed.
-

Yield: 100%

Reaction Conditions:

with sodium periodate in dichloromethane for 0.166667 h;

Steps:

68
Sodium periodate (0.65 M in water, 20 mL) was added to a vigourously stirred suspension of silica gel (20 g) in dichloromethane (160 mL), followed by a solution of 3-phenoxy-l,2- propanediol (1.68 g, 10.0 mmol) in dichloromethane (20 mL). After stirring for 10 min the mixture was filtered and the filtrate was concentrated to give the subtitle compound (1.36 g,100 %).1H-NMR (400 MHz, CDCl3): δ 9.89 (s, 1H9, 7.33 (m, 2H), 7.04 (m, IH), 6.92 (m, 2H), 4.59(S, 2H).

References:

ASTRAZENECA AB;BAYER SCHERING PHARMA AKTIENGESELLSCHAFT WO2008/76048, 2008, A1 Location in patent:Example 68

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