It is preferred to have the organic base in {TAIL ~ liquid form} during the reaction of {HEAD ~ the present invention} 
It is preferred to have the organic base in { TAIL ~ liquid form } during the reaction of { HEAD ~ the present invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD