You dont have distant acces to your library? You should ask about it, its very handy
Anyway, I´ve done this few weeks ago so I think I can help you:
using procedure from
Bioorganic and Medicinal Chemistry, 2009 , vol. 17, # 10 p. 3604 - 36175g of PyCHOH was dissolved in CHCl
3 and cooled to 0°C. 27g of SOCl
2 was added slowly so the temperature didnt rise over 10°C and the colour changed to yellow-gree. After addition of all SOCl
2 the mixture was stirred at RT for about 45 minutes. After 45 mins the mixture was basified to pH~8 by Na
2CO
3. After that the solution was extracted by 3x50ml of CHCl
3. Organic layer was washed with 3x50 ml of water and dried over Na
2SO
4. After evaporation of solvent the red solution appeared and red crystals started to crystalize.
note: I have some impurities in my product due to impurities in starting material which i wasnt aware of when I started the reaction. So it is possible that your product will have different colour