HAVE YOU TRIED THESE PHARMACEUTICAL INTERMEDIATES

Nov 5, 2010 - HAVE YOU TRIED THESE PHARMACEUTICAL INTERMEDIATES AVAILABLE IN COMMERCIAL QUANTITIES. Chem. Eng. News , 1952, 30 ...
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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