186581-53-3
重氮甲烷
+
10181-59-6
2,2,4,4-tetramethyl-3-sulfanylidenecyclobutan-1-one
→
~90%
23604-61-7
1,1,3,3-tetramethyl-5-thia-7,8-diazaspiro[3.4]oct-7-en-2-one