Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine
Preparation of amides by biocatalyzed aminolysis reactions has greatly increased because these processes play an important role in the preparation of some pharmaceutical products and their intermediates. A highly efficient synthesis of malonic (5), succinic (6), and malic (8) monoamide esters by des...
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crsagepubl:10.1177/1934578x19859980 2023-05-15T14:12:29+02:00 Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine Valerio-Alfaro, Gerardo Castillo-Carrasco, Patricia Harumi Castellanos Onorio, Olaya Pirene Naranjos, Jorge Bautista 2019 http://dx.doi.org/10.1177/1934578x19859980 http://journals.sagepub.com/doi/pdf/10.1177/1934578X19859980 http://journals.sagepub.com/doi/full-xml/10.1177/1934578X19859980 en eng SAGE Publications http://journals.sagepub.com/page/policies/text-and-data-mining-license Natural Product Communications volume 14, issue 6, page 1934578X1985998 ISSN 1934-578X 1555-9475 Complementary and alternative medicine Plant Science Drug Discovery Pharmacology General Medicine journal-article 2019 crsagepubl https://doi.org/10.1177/1934578x19859980 2022-04-14T04:50:53Z Preparation of amides by biocatalyzed aminolysis reactions has greatly increased because these processes play an important role in the preparation of some pharmaceutical products and their intermediates. A highly efficient synthesis of malonic (5), succinic (6), and malic (8) monoamide esters by desymmetrization transformations (mono aminolysis reactions) of their diesters is presented. The immobilized lipase from Candida antarctica (CaL-B, Novozym 435) catalyzed the mono aminolysis of bifunctional compounds: diesters such as diethyl malonate (1), diethyl succinate (2), and ( R, S)-malate (3), leading to their corresponding monoamides (5), (6), and (8), respectively, with high conversions after a 24 hour reaction in the presence of an organic solvent. Increasing the solvent polarity from toluene, methyl t-butyl ether to dioxane led to an improved conversion. According to qualitative and quantitative GC-MS analysis, conversions of diesters (1), (2), and (3) into their mono amide esters were in the range 65%-97%. CaL-B was the best biocatalyst of the commercial lipases used, including those from Candida rugosa, Rhizomucor miehei, Carica papaya, and Pseudomonas cepacia. Likewise, a yield of 91% regioisomeric, but virtually racemic ( R,S)-mono amide (8) was obtained as the single product in dioxane. Article in Journal/Newspaper Antarc* Antarctica SAGE Publications (via Crossref) Rugosa ENVELOPE(-61.250,-61.250,-62.633,-62.633) Natural Product Communications 14 6 1934578X1985998 |
institution |
Open Polar |
collection |
SAGE Publications (via Crossref) |
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crsagepubl |
language |
English |
topic |
Complementary and alternative medicine Plant Science Drug Discovery Pharmacology General Medicine |
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Complementary and alternative medicine Plant Science Drug Discovery Pharmacology General Medicine Valerio-Alfaro, Gerardo Castillo-Carrasco, Patricia Harumi Castellanos Onorio, Olaya Pirene Naranjos, Jorge Bautista Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
topic_facet |
Complementary and alternative medicine Plant Science Drug Discovery Pharmacology General Medicine |
description |
Preparation of amides by biocatalyzed aminolysis reactions has greatly increased because these processes play an important role in the preparation of some pharmaceutical products and their intermediates. A highly efficient synthesis of malonic (5), succinic (6), and malic (8) monoamide esters by desymmetrization transformations (mono aminolysis reactions) of their diesters is presented. The immobilized lipase from Candida antarctica (CaL-B, Novozym 435) catalyzed the mono aminolysis of bifunctional compounds: diesters such as diethyl malonate (1), diethyl succinate (2), and ( R, S)-malate (3), leading to their corresponding monoamides (5), (6), and (8), respectively, with high conversions after a 24 hour reaction in the presence of an organic solvent. Increasing the solvent polarity from toluene, methyl t-butyl ether to dioxane led to an improved conversion. According to qualitative and quantitative GC-MS analysis, conversions of diesters (1), (2), and (3) into their mono amide esters were in the range 65%-97%. CaL-B was the best biocatalyst of the commercial lipases used, including those from Candida rugosa, Rhizomucor miehei, Carica papaya, and Pseudomonas cepacia. Likewise, a yield of 91% regioisomeric, but virtually racemic ( R,S)-mono amide (8) was obtained as the single product in dioxane. |
format |
Article in Journal/Newspaper |
author |
Valerio-Alfaro, Gerardo Castillo-Carrasco, Patricia Harumi Castellanos Onorio, Olaya Pirene Naranjos, Jorge Bautista |
author_facet |
Valerio-Alfaro, Gerardo Castillo-Carrasco, Patricia Harumi Castellanos Onorio, Olaya Pirene Naranjos, Jorge Bautista |
author_sort |
Valerio-Alfaro, Gerardo |
title |
Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
title_short |
Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
title_full |
Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
title_fullStr |
Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
title_full_unstemmed |
Highly Efficient Lipase Catalyzed Monoaminolysis Reaction of Diesters with Benzylamine |
title_sort |
highly efficient lipase catalyzed monoaminolysis reaction of diesters with benzylamine |
publisher |
SAGE Publications |
publishDate |
2019 |
url |
http://dx.doi.org/10.1177/1934578x19859980 http://journals.sagepub.com/doi/pdf/10.1177/1934578X19859980 http://journals.sagepub.com/doi/full-xml/10.1177/1934578X19859980 |
long_lat |
ENVELOPE(-61.250,-61.250,-62.633,-62.633) |
geographic |
Rugosa |
geographic_facet |
Rugosa |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Natural Product Communications volume 14, issue 6, page 1934578X1985998 ISSN 1934-578X 1555-9475 |
op_rights |
http://journals.sagepub.com/page/policies/text-and-data-mining-license |
op_doi |
https://doi.org/10.1177/1934578x19859980 |
container_title |
Natural Product Communications |
container_volume |
14 |
container_issue |
6 |
container_start_page |
1934578X1985998 |
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1766284802473852928 |