Lanthanum(III) nitrate hexahydrate catalyzed chemoselective thioacetalization of aldehydes^†

^†IICT Communication # 061103.

Abstract

A wide variety of cyclic and acyclic dithioacetals have been prepared chemoselectively from their corresponding aldehydes with 1,3-dithiol and ethanethiol using catalytic amounts of lanthanum(III) nitrate hexahydrate as a catalyst at room temperature.

^†IICT Communication # 061103.

Keywords:

• La(NO₃)₃·6H₂O
• Aldehydes
• 1,3-dithianes
• Thioacetals

Acknowledgements

The authors are thankful to CSIR, DOD and DBT New Delhi, India, for the financial support and to the Director of Indian Institute of Chemical Technology for his encouragement.

Notes

^†IICT Communication # 061103.