摘要:
Compositions comprising (±)-2-((dimethylamino)methyl)cyclohexanone, a transition-metal salt, and an organic solvent and methods of preparing (±)-cis-2-((dimethylamino)methyl)-1-(aryl)cyclohexanols, in particular (±)-cis-2-((dimethylamino)methyl)-1-(3-methoxyphenyl)cyclohexanol, are disclosed herein. In one embodiment, the (±)-2-((dimethylamino)methyl)cyclohexanone and transition-metal salt are in the form of a (±)-2-((dimethylamino)methyl)cyclohexanone:transition-metal salt complex. In another embodimemt, aryl is 3-methoxyphenyl.
摘要:
Compositions comprising (±)-2-((dimethylamino)methyl)cyclohexanone, a transition-metal salt, and an organic solvent and methods of preparing (±)-cis-2-((dimethylamino)methyl)-1-(aryl)cyclohexanols, in particular (±)-cis-2-((dimethylamino)methyl)-1-(3-methoxyphenyl)cyclohexanol, are disclosed herein. In one embodiment, the (±)-2-((dimethylamino)methyl)cyclohexanone and transition-metal salt are in the form of a (±)-2-((dimethylamino)methyl)cyclohexanone:transition-metal salt complex. In another embodimemt, aryl is 3-methoxyphenyl.
摘要:
Thermoplastic elastomers can be prepared by (co)polymerization of monomers from the group consisting of C2-C8-&agr;-olefins, C4-C15-diolefins and other monomers in the bulk, solution, slurry or gas phase, the catalysts employed being metallocene compounds or the &pgr; complex compounds of the formulae in which CpI and CpII represent carbanions having a cyclopentadienyl-containing structure, &pgr;I and &pgr;II represent charged or electrically neutral &pgr; systems, D represents a donor atom and A represents an acceptor atom, where D and A are linked by a reversible coordinate bond such that the donor group assumes a positive (part) charge and the acceptor group assumes a negative (part) charge, M represents a transition metal of sub-group III, IV, V or VI of the Periodic Table of the Elements (Mendeleev), including the lanthanides and actinides, X denotes one anion equivalent and n denotes the number zero, one, two, three or four, depending on the charge of M.
摘要:
Disclosed are methods for making aldehydes and ketones comprising allowing the corresponding primary or secondary alcohol to react in the presence of trichoroisocyanuric acid, a compound of formula R1SR2 and a base. In one embodiment, the alcohol is a compound of formula (I): wherein R3 is a protecting group.Also disclosed are methods for making 3-O-protected morphine dienol carboxylates comprising allowing a compound of formula (I) to oxidize in the presence of a chlorine-containing compound and a compound of formula R1SR2; and allowing the product of the oxidation step to react with an acylating agent.
摘要:
Disclosed are methods for making aldehydes and ketones comprising allowing the corresponding primary or secondary alcohol to react in the presence of trichoroisocyanuric acid, a compound of formula R1SR2 and a base. In one embodiment, the alcohol is a compound of formula (I): wherein R3 is a protecting group. Also disclosed are methods for making 3-O-protected morphine dienol carboxylates comprising allowing a compound of formula (I) to oxidize in the presence of a chlorine-containing compound and a compound of formula R1SR2; and allowing the product of the oxidation step to react with an acylating agent.
摘要翻译:公开了制备醛和酮的方法,其包括使三羧基异氰脲酸,式R 1 S 2 R的化合物和碱的存在下相应的伯或仲醇反应。 在一个实施方案中,醇是式(I)的化合物:其中R 3是保护基。 还公开了制备3-O-保护的吗啡二烯醇羧酸酯的方法,其包括使式(I)化合物在含氯化合物和式R1SR2化合物存在下氧化; 并使氧化步骤的产物与酰化剂反应。
摘要:
High-melting polyolefins can be prepared in bulk, in solution, in suspension or in the gas phase, the catalysts employed being metallocene compounds or &pgr; complex compounds of the formula in which CpI and CpII represent carbanions having a cyclopentadienyl-containing structure, &pgr;I and &pgr;II represent charged or electrically neutral &pgr; systems, D represents a donor atom and A represents an acceptor atom, where D and A are linked by a reversible coordinate bond such that the donor groups assumes a positive (part) charge and the acceptor group assumes a negative (part) charge, M represents a transition metal of sub-group III, IV, V or VI of the Periodic Table of the Elements (Mendeleev), including the lanthanides and the actinides, X denotes one anion equivalent and n denotes the number zero, one, two, three or four, depending on the charge of M.
摘要:
Elastomers can be prepared by (co)polymerization of monomers consisting of the group of C2-C8-&agr;-olefins, C4-C15-diolefins and other monomers in the bulk, solution, slurry or gas phase, the catalysts employed being metallocene compounds or the &pgr; complex compounds of the formula in which CpI and CpII represent carbanions having a cyclopentadienyl-containing structure, &pgr;I and &pgr;II represent charged or electrically neutral &pgr; systems, D represents a donor atom and A represents an acceptor atom, where D and A are linked by a reversible coordinate bond such that the donor group assumes a positive (part) charge and the acceptor group assumes a negative (part) charge, M represents a transition metal of sub-group III, IV, V or VI of the Periodic Table of the Elements (Mendeleev), including the lanthanides and the actinides, X denotes one anion equivalent and n denotes the number zero, one, two, three or four, depending on the charge of M.
摘要:
Disclosed are methods for making aldehydes and ketones comprising allowing the corresponding primary or secondary alcohol to react in the presence of trichoroisocyanuric acid, a compound of formula R1SR2 and a base. In one embodiment, the alcohol is a compound of formula (I): wherein R3 is a protecting group. Also disclosed are methods for making 3-O-protected morphine dienol carboxylates comprising allowing a compound of formula (I) to oxidize in the presence of a chlorine-containing compound and a compound of formula R1SR2; and allowing the product of the oxidation step to react with an acylating agent.
摘要翻译:公开了制备醛和酮的方法,其包括使三羧基异氰脲酸,式R 1 S 2 R的化合物和碱的存在下相应的伯或仲醇反应。 在一个实施方案中,醇是式(I)的化合物:其中R 3是保护基。 还公开了制备3-O-保护的吗啡二烯醇羧酸酯的方法,其包括使式(I)化合物在含氯化合物和式R1SR2化合物存在下氧化; 并使氧化步骤的产物与酰化剂反应。
摘要:
Cycloolefin copolymers for industrial applications, with the exception of the use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, .alpha.-olefins having 2 or more C atoms and optionally conjugated or non-conjugated diolefins, the catalysts employed being metallocene compounds or .pi. complex compounds of the formula ##STR1## in which CpI and CpII represent carbanions having a cyclopenadienyl-containing structure,.pi.I and .pi.II represent charged or electrically neutral .pi. systems,D represents a donor atom andA represents an acceptor atom,where D and A are linked by a reversible coordinate bond such that the donor group assumes a positive (part) charge and the acceptor group assumes a negative (part) charge,M represents a transition metal of sub-group III, IV, V or VI of the Periodic Table of the elements (Mendeleev), including the lanthanides and the actinides,X denotes one anion equivalent andn denotes the number zero, one, two, three or four, depending on the charge of M.
摘要:
Disclosed are methods for making aldehydes and ketones comprising allowing the corresponding primary or secondary alcohol to react in the presence of trichoroisocyanuric acid, a compound of formula R1SR2 and a base. In one embodiment, the alcohol is a compound of formula (I): wherein R3 is a protecting group. Also disclosed are methods for making 3-O-protected morphine dienol carboxylates comprising allowing a compound of formula (I) to oxidize in the presence of a chlorine-containing compound and a compound of formula R1SR2; and allowing the product of the oxidation step to react with an acylating agent.
摘要翻译:公开了制备醛和酮的方法,其包括使三羧基异氰脲酸,式R 1 S 2 R的化合物和碱的存在下相应的伯或仲醇反应。 在一个实施方案中,醇是式(I)的化合物:其中R 3是保护基。 还公开了制备3-O-保护的吗啡二烯醇羧酸酯的方法,其包括使式(I)化合物在含氯化合物和式R1SR2化合物存在下氧化; 并使氧化步骤的产物与酰化剂反应。