Process for preparation of iodopropargyl carbamates

U.S. Patent Number: 5326899

Abstract: A Process for producing N-alkyl iodopropargyl carbamate comprising: A. reacting a dialkyl(C.sub.1 -C.sub.3) carbonate with propargyl alcohol in the presence of a first catalyst under conditions to produce dipropargyl carbonate; B. reacting said dipropargyl carbonate with an alkyl(C.sub.1 -C.sub.6)amine, optionally in the presence of a second catalyst, to produce N-alkyl(C.sub.1 -C.sub.6) propargyl carbamate; C. reacting said N-alkyl(C.sub.1 -C.sub.6) propargyl carbamate with an iodinating agent to produce N-alkyl(C.sub.1 -C.sub.6) iodopropargyl carbamate is disclosed.

Inventors: Lange; Barry C. (Lansdale, PA)

Assignee: Rohm and Haas Company (Philadelphia, PA)

Application Number: 08/076,561

Issued: 1994-07-05

Expired: 2006-07-05

Classes: 560/167 ; 558/417

Field of search: 560/167,22,29,30,33 558/417,416 564/217

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