摘要:
A compound of formula I wherein PROT is an amine protecting group and PROT' is hydrogen; or PROT and PROT' together with the nitrogen atom to which they are attached form a heterocyclic ring as an amine protecting group, and PROT" is a thiol protecting group, processes for its production, intermediates in their production and production of intermediates in stereoisomerically pure form, and their use for the production of pharmaceutically active compounds.
摘要:
Formula (I) compounds are described where the groups are as defined in the description, as well as processes for their preparation and their use as medicaments, particularly for the preparation of medicaments with phosphodiesterase IV inhibitory activity.
摘要:
Disclosed are a novel fluoroadamantane derivative and a method for producing the same. Specifically disclosed are a method for producing a compound (2) shown below wherein a compound (1) shown below is reacted with an azide and then subjected to a heat treatment; a compound (2a) shown below; a method for producing an adamantane derivative wherein the compound (2a) is addition-reacted with a hydroxy compound; a method for producing an adamantane derivative wherein the compound (2a) is addition-reacted with an amine compound; a method for producing a compound (3) shown below wherein the compound (2a) is hydrolyzed; and a compound (3a) shown below. In this connection, Q represents -CHF- or -CF 2 -; X represents H, F or COF; Y represents a group corresponding to X; Y a represents H, F or NCO; Z represents a group corresponding to Y a ; and Z a represents H, F or NH 2 .
摘要:
Verfahren zur Herstellung von Isocyanaten durch Umsetzung der entsprechenden primären Amine mit Phosgen in einem inerten Lösungsmittel, bei dem man 0,01 bis 50 Mol-% eines Sulfoxids, eines Sulfons oder Gemische davon, bezogen auf die Gesamtmenge an primärem Amin und gebildetem Isocyanat in der Reaktionslösung, einsetzt.
摘要:
The present invention relates to the field of organic synthesis and describes the synthesis of specific intermediates suitable for the preparation of triazolopyrimidine compounds such as ticagrelor.
摘要:
ABSTRACT OF THE DISCLOSURE Fullerene compounds represented by the formulae Cm[C(R)CON3]n, Cm[C(R)NCO]n, Cm[C(R)NHCORd]n, and Cm[C(R)NH2]n, wherein Cm represents a fullerene moiety having m carbon atoms, m represents an even integer from about 60 to about 200, n represents an integer of about 1 or more, R represents an electron-withdrawing group, and Rd represents an alkoxy or alkylamino group. In addition, processes for preparing these fullerene compounds involving reacting an acyl azide with a fullerene in the presence of a base.
摘要:
ABSTRACT OF THE DISCLOSURE Fullerene compounds represented by the formulae Cm[C(R)CON3]n, Cm[C(R)NCO]n, Cm[C(R)NHCORd]n, and Cm[C(R)NH2]n, wherein Cm represents a fullerene moiety having m carbon atoms, m represents an even integer from about 60 to about 200, n represents an integer of about 1 or more, R represents an electron-withdrawing group, and Rd represents an alkoxy or alkylamino group. In addition, processes for preparing these fullerene compounds involving reacting an acyl azide with a fullerene in the presence of a base.
摘要:
A mixing apparatus includes coaxial first and second nozzles (104,105) that taper toward respective discharage ends (110,132) and that have rectangular cross sections. The apparatus may be used to mix fluids, for example to mix phosgene with amines to produce and isocyanates.