Title:
A BISLACTAMAMIDE DERIVATIVE AS INTERMEDIATE IN THE PRODUCTION OF DI I SOCYANATE
Document Type and Number:
WIPO Patent Application WO2008064887
Kind Code:
A8
Abstract:
The invention relates to a method for preparing an intermediate compound for a diisocyanate, comprising reacting a diamine represented by the formula H2N-(CH2)0-Y-(CH2)p-NH2 wherein Y is selected from CH(OX) or CH(COOX), o and p each are an integer of 0-4, with the proviso that the sum of o and p is 4 or less, preferably 2, 3 or 4, X is a protective group, with a carbonylbislactam, preferably carbonylbiscaprolactam, thereby forming a compound with the formula (I) wherein each L is a lactam from the carbonylbislactam.
Inventors:
DIAS AYLVIN JORGE ANGELO ATHAN (NL)
PLUM BARTHOLOMEUS JOHANNES M (NL)
LOONTJENS JACOBUS ANTONIUS (NL)
PLUM BARTHOLOMEUS JOHANNES M (NL)
LOONTJENS JACOBUS ANTONIUS (NL)
Application Number:
PCT/EP2007/010356
Publication Date:
September 04, 2008
Filing Date:
November 29, 2007
Export Citation:
Assignee:
DSM IP ASSETS BV (NL)
DIAS AYLVIN JORGE ANGELO ATHAN (NL)
PLUM BARTHOLOMEUS JOHANNES MAR (NL)
LOONTJENS JACOBUS ANTONIUS (NL)
DIAS AYLVIN JORGE ANGELO ATHAN (NL)
PLUM BARTHOLOMEUS JOHANNES MAR (NL)
LOONTJENS JACOBUS ANTONIUS (NL)
International Classes:
A61L17/10; A61L27/18; C07C263/08; C07C265/04; C07D201/02; C07D223/10; C08G18/12
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