Chlorotrimethylsilane → HCID 10313521, compound

Temperature

0 °C

4-Methylthiazole (3 g) in dry diethyl ether was added dropwise to a stirred solution of n-butyllithium (1.6M in hexanes, 21 ml) in diethyl ether (20 ml) at -78° C. under an atmosphere of dry nitrogen. After 30 minutes, trimethylsilylchloride (3.9 ml) was added and the mixture was then allowed to warm to 0° C. The mixture was then cooled to -78° C. and further n-butyllithium (21 ml) was added. The mixture was warmed to 0° C. After 30 minutes the mixture was again cooled to -78° C. and 3-furaldehyde (5 g) in diethyl ether (10 ml) was added. The mixture was allowed to warm to room temperature and after 30 minutes saturated aqueous sodium hydrogen carbonate was added. The reaction mixture was extracted with diethyl ether in the usual manner to give the crude product which was then purified by flash chromatography on silica gel to give the title compound. M.p. 44°-46° C.

1. temperatureThe mixture was then cooled to -78° C.
2. temperatureThe mixture was warmed to 0° C
3. temperatureAfter 30 minutes the mixture was again cooled to -78° C.
4. additionwas added
5. extractionThe reaction mixture was extracted with diethyl ether in the usual manner
6. customto give the crude product which
7. customwas then purified by flash chromatography on silica gel

ORD record

ord-d42cf5ae21f0438da21a91935a332feb

Source dataset

uspto-grants-1998_12

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US05849921