Dichlorocarbene adducts of sulfolenes and their chlorine reduction products: hydrogen chloride vs. sulfur dioxide elimination. Thiopyran dioxides and thiopyrones

~19%

~%

~89%

~62%

~57%

~3%

~41%

~%

~66%

~%

~%

~20%

~3%

~82%

~%

~%

~%

~%

~8%

~8%

~27%

~%

~13%