ETHYL FORMATE Ο II
H-COCH2CH3 HAVE
Y O U TRIED
THESE
PHARMACEUTICAL
ETHYL β-ETHOXYPROPIONATE Ο II
CH 3 CH 2 OCH 2 CH 2 COCH 2 CH 3
INTERMEDIATES AVAILABLE I N C O M M E R C I A L
PENTANEDIONE-2,4
QUANTITIES
C
Ο
Il II CH0CCH2CCH0
ETHYL FORMATE . . . intermediate in the synthesis of vitamin B1, sulfadiazine, and sulfamerazine.
ETHYL 0-ETHOXYPROPIONATE . . . important raw material for manufacture of vitamin B1
PENTANEDIONE-2,4 . . . raw material in the synthesis of 2-amino-4,6-dimethyl pyrimidine, an intermediate for mak ing sulfamethazine.
These chemicals have many other potential uses as phar maceutical intermediates. All three are available now in commercial quantities for your development or commercial production. For samples and further information, call or write us today.
CARBIDE AND CARBON CHEMICALS COMPANY A Division of Union Carbide a n d Carbon Corporation 30 East 4 2 n d S t r e e t UCC New York Π , Ν. Υ.
You may be interested in testing these other CARBIDE inter mediates and solvents for pharmaceuticals.
Offices in Principal Cities In C a n a d a :
Acrolein—methionine and folic acid syntheses Diethyl CARBITOL—inert reaction medium Methyl Ethyl Pyridine—synthesis of nicotinic acid
Carbide and Carbon Chemicals, Limited, Toronto
The term "Carbitol" is a registered trade-mark of Union Carbide and Carbon Corporation