
1) Sulfinyl
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https://www.crosswordclues.com/clue/thionyl

The thionyl group is SO, a sulfur atom plus an oxygen atom. It occurs in compounds such as thionyl fluoride, SOF2. Thionyl chloride, SOCl2, is a common reagent used in organic synthesis to convert carboxylic acids to acyl chlorides. In organic chemistry, the thionyl group is known as a sulfoxide group or sulfinyl group, and has the general structu...
Found on
http://en.wikipedia.org/wiki/Thionyl

• (n.) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride.
Found on
http://thinkexist.com/dictionary/meaning/thionyl/
Thi'on·yl noun [
Thion ic +
- yl .]
(Chemistry) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as,
thionyl chloride.
Found on
http://www.encyclo.co.uk/webster/T/45
No exact match found.