The best replacement for socl2 is pocl3.

The best alternatives to socl2 are rated as following:
★★★★★  pocl3
★★★  pcl5

Your alternative for socl2 is not listed? Suggest!
Speaking about socl2, one probably shouldn't forget about pyridine.

Other search terms related to socl2 and their ratings are:
★★★★★ pyridine
★★★ amide
★★★ carboxylic acid
★ benzoic acid
★ carboxylic acid reactions
You have in mind a companion for socl2 and it is not yet here? Propose!



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socl2
pocl3
pcl5