[L®^^^ ο
ο H2M-\K,/^-C Ν
CH 3 -C-CH 2 -C-NC D
ο
ο
ιι
ιι
COOR2 Μ N
^0R,
CH,=C-0 ι ι H.C-C=0 NH-C-CH2-C-CH3
CH3-C-CH2-C-OR
CICH, C CH, C OR CT^OH
From one...many! Diketene building blocks specially designed to meet your needs. With Lonza's leadership in diketene chemistry as the basis, we are able to offer chemical manufacturers a full line of specially designed diketene derivatives for a wide range of reactions and syntheses. Our diketene derivatives offer an unequalled com bination of effectiveness and economy that makes them the natural intermediates of choice for: dyes
and pigments, pharmaceuticals and vitamins, flavors, fungicides and bactericides. Meeting exact customer specifications is also basic with Lonza. We produce acetoacetic alkylamides, arylamides and esters, dehydroacetic acid, and gamma-chloro-acetoacetates under the most de manding standards assuring the highest purity and most consistent levels of performance. Learn about one... learn about all... of our diketene derivatives and their unique capabilities. Call or write for our new "Development Products" brochure.
LONZA... when it has to be right from the start. Lonza Inc., 22-10 Route 208, Fair Lawn, N.J. 07410 - 201-794-2400 Sales and Technical Service: 800-526-7850 • Customer Service: 800-631-3647
