Abstract:
The present invention relates to a multi-stage process for producing substituted, optically active alcohols, comprising an enzyme-catalyzed synthesis step, in particular a synthesis step which is catalyzed by an alcohol dehydrogenase. The inventive method is particularly suitable for producing phenylephrine, i.e. 3-[(1R)-1-hydroxy-2-methylamino-ethyl]-phenol.
Abstract:
The present invention relates to a method for preparing the pyripyropene compound of the formula (I) which method comprises the following steps: i) subjecting a pyripyropene compound of formula Pyripyropene A to an alkaline hydrolysis to yield a 1,7,11-trideacetylpyripyropene A, ii) reacting 1,7,1 1-trideacetylpyripyropene A obtained in step i) with cyclopropane carbonyl chloride to yield a raw product containing the pyripyropene compound of formula (I); iii) subjecting the raw product of step ii) to crystallization to yield a crystalline pyripyropene compound of formula (I) and a mother liquor;and iv) recycling the mother liquor or a pyripyropene compound containing fraction thereof to the alkaline hydrolysis of step i).
Abstract:
La presente invención se refiere a un método para preparar el compuesto de piripiropeno de la Fórmula i (ver Fórmula) en donde el método comprende las siguientes etapas: i) someter un compuesto de piripiropeno de la fórmula piripiropeno A a una hidrólisis alcalina para obtener 1,7,11-trideacetilpiripiropeno A, ii) hacer reaccionar 1,7,11-trideacetilpiripiropeno A obtenido en la etapa i) con cloruro de ciclopropancarbonilo, a fin de obtener un producto crudo que contiene el compuesto de piripiropeno de la Fórmula I; iii) someter el producto crudo de la etapa ii) a cristalización para obtener un compuesto cristalino de piripiropeno de la Fórmula I y un licor madre; y iv) reciclar el licor madre o una fracción de este que contiene el compuesto de piripiropeno a la hidrólisis alcalina de la etapa i).
Abstract:
The invention pertains to processes to produce dry biomass of pyripyropene producer organisms, processes to obtain pyripyropenes from such dry biomass, as well as to processes to produce compounds of Formula (III) and/or Formula (IV) and/or Formula (V) from the pyripyropenes obtained from the dry biomass. The invention does further pertain to the dry biomass itself, as well as processes using said dry biomass to obtain pyripyropenes for the production of compounds of Formula (III) and/or Formula (IV) and/or Formula (V), including processes using said dry biomass to obtain pyripyropenes or compounds of Formula III and/or Formula (IV) and/or Formula (V) in order to produce pest control compositions, in particular insecticides, comprising such compounds.
Abstract:
The present invention relates to a method for preparing the pyripyropene compound of the formula (I) which method comprises the following steps: i) subjecting a pyripyropene compound of formula Pyripyropene A to an alkaline hydrolysis to yield a 1,7,11-trideacetylpyripyropene A, ii) reacting 1,7,11-trideacetylpyripyropene A obtained in step i) with cyclopropane carbonyl chloride to yield a raw product containing the pyripyropene compound of formula (I); iii) subjecting the raw product of step ii) to crystallization to yield a crystalline pyripyropene compound of formula (I) and a mother liquor;and iv) recycling the mother liquor or a pyripyropene compound containing fraction thereof to the alkaline hydrolysis of step i).
Abstract:
The invention pertains to processes to produce dry biomass of pyripyropene producer organisms, processes to obtain pyripyropenes from such dry biomass, as well as to processes to produce compounds of Formula (III) and/or Formula (IV) and/or Formula (V) from the pyripyropenes obtained from the dry biomass. The invention does further pertain to the dry biomass itself, as well as processes using said dry biomass to obtain pyripyropenes for the production of compounds of Formula (III) and/or Formula (IV) and/or Formula (V), including processes using said dry biomass to obtain pyripyropenes or compounds of Formula III and/or Formula (IV) and/or Formula (V) in order to produce pest control compositions, in particular insecticides, comprising such compounds.
Abstract:
Método para preparar el compuesto de piripiropeno de fórmula I,**Fórmula** comprendiendo el método las siguientes etapas: i) someter un compuesto de piripiropeno de fórmula II a una hidrólisis alcalina para producir un compuesto de piripiropeno de fórmula III,**Fórmula** ii) hacer reaccionar el compuesto de piripiropeno de fórmula III obtenido en la etapa i) con cloruro de ciclopropanocarbonilo para producir un producto sin procesar que contiene el compuesto de piripiropeno de fórmula I; iii) someter el producto sin procesar de la etapa ii) a cristalización para producir un compuesto de piripiropeno cristalino de fórmula I y unas aguas madre; y iv) recircular las aguas madre o una fracción que contiene compuesto de piripiropeno de las mismas a la hidrólisis alcalina de la etapa i).
Abstract:
La invención concierne procedimientos para producir biomasa seca de organismos productores de piripiropeno, procedimientos para obtener piripiropenos a partir de esa biomasa seca, así como procedimientos para producir compuestos de la Fórmula III y/o la Fórmula IV y/o Fórmula V a partir de los piripiropenos obtenidos a partir de la biomasa seca. La invención se refiere además a la biomasa seca misma, así como a procedimientos que se valen de dicha biomasa seca a fin de obtener piripiropenos para la producción de compuestos de la Fórmula III y/o la Fórmula IV y/o la fórmula V, inclusive a procedimientos que usan dicha biomasa seca para obtener piripiropenos o compuestos de la Fórmula III y/o la fórmula IV y/o la fórmula V a fin de producir composiciones para control de plagas, en particular insecticidas que contienen esos compuestos.
Abstract:
The invention pertains to processes to produce dry biomass of pyripyropene producer organisms, processes to obtain pyripyropenes from such dry biomass, as well as to processes to produce compounds of Formula (III) and/or Formula (IV) and/or Formula (V) from the pyripyropenes obtained from the dry biomass. The invention does further pertain to the dry biomass itself, as well as processes using said dry biomass to obtain pyripyropenes for the production of compounds of Formula (III) and/or Formula (IV) and/or Formula (V), including processes using said dry biomass to obtain pyripyropenes or compounds of Formula III and/or Formula (IV) and/or Formula (V) in order to produce pest control compositions, in particular insecticides, comprising such compounds.
Abstract:
processo para a reação de compostos químicos a presente invenção se refere a um processo para a reação de compostos químicos que compreende a etapa de reação um composto de fórmula (iv), em que hal, independentemente, é selecionado a partir de cl ou br, e x" é um ânion monovalente, na presença de um ácido inorgânico, em que o ácido inorgânico aquoso possui uma concentração de, pelo menos, cerca de 60%, a uma temperatura de cerca de 140º c a cerca de 250º c, para se obter um composto de fórmula (v), em que hal é conforme definido acima.