Нужна следующая статья:
"A Practical Synthesis of Thio-Bisphosphonic Acids For the Treatment of Arthritis, Based on the Chemistry of Tetraethyl Methylene-1,1- Bisphosphonate"
Abdou, Wafaa M.; Khidre, Maha D.; Sediek, Ashraf A.
Letters in Organic Chemistry, 2006, Vol. 3, No. 8, 634-639.
- DOI:
http://dx.doi.org/10.2174/157017806778559536
