ORGANIC
CHEMICALS
FOR
CREATIVE
SYNTHESIS
When you check the chemical routes to a new compound—talk over t h e chemistry with Monsanto. You'll find Monsanto can provide you a variety of steppingstones — compounds t h a t are basic intermediates in eleven different fields of chemistry. Here is another new compound—a SUBSTI T U T E D A R O M A T I C , now available from Monsanto in semicommercial quantity:
«o
3,4-DICHLOROANILINE
NH2
CI
This highly reactive compound converts with good yields by reactions of the amino group as follows:
W i t h phosgene
CI < ^ ~~
With acylating agents
\
N = C= 0 (isocyanafes)
CI \^ CI
\
W i t h aldehydes
N = CHR (Schiff bases)
CI CI
y NHC-R (anilides) W i t h ethylene oxides and
W i t h sulfonyl chlorides
CH 2 CH 2 OH
°o CI
