Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethy-l-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethy-l-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: This invention relates to a hemifumarate salt of 1-(4- 1-[(E)-cyclohexyl-3-tritluoromethy 1-benzy loxyimino ]-ethy 1)-2-ethy1-benzy l)-azetidine-3-carboxy lie acid (Compound) to pharmaceutics compositions comprising this salt, to processes for forming this salt and to its use in medical treatment, addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzylyazetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: This invention relates to a hemifumarate salt of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this salt, to processes for forming this salt and to its use in medical treatment. In addition, the present invention also relates to new polymorphic forms of the hemifumarate salt form of Compound I, as well as to pharmaceutical compositions comprising these polymorphic forms, to processes for obtaining them, and their use in medical treatment.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.

Abstract: An improved process for preparing 1,4,8,11-tetraazacyclotetradecane comprising the tetratosylation of an acyclic tetraamine to obtain a tetratoluenesulfonamide compound in a first step, the cyclization of said sulfonamide compound to obtain tetratosyl cyclam in a second step, and the detosylation of tetratosyl cyclam in a third step followed by basification to obtain the desired 1,4,8,11-tetraazacyclotetradecane.