Search Results - "La Cruz, Thomas"
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1
Practical olefin hydroamination with nitroarenes
Published in Science (American Association for the Advancement of Science) (22-05-2015)“…The synthesis and functionalization of amines are fundamentally important in a vast range of chemical contexts. We present an amine synthesis that repurposes…”
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2
Multicomponent Synthesis of 1‑Aryl 1,2,4-Triazoles
Published in Organic letters (19-07-2013)“…A multicomponent (single reactor) process for the synthesis of 1-aryl 1,2,4-triazoles was explored and developed. This transformation prepared the…”
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3
Implementation of a mathematical model for the photochemical kinetics of a solid form active pharmaceutical ingredient
Published in International journal of pharmaceutics (20-07-2019)“…[Display omitted] We present here the development of a photochemical model used to quantify the risk to photodegradation of a solid drug substance. A key…”
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4
Scalable Asymmetric Synthesis of the All Cis Triamino Cyclohexane Core of BMS-813160
Published in Journal of organic chemistry (18-02-2022)“…BMS-813160 is a pharmaceutical entity currently in development at Bristol Myers Squibb. Its defining structural feature is a unique chiral all cis triamino…”
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5
Leveraging AQbD Principles for Development of Challenging Drug Substance Stability-Indicating Methods
Published in Organic process research & development (18-06-2021)“…Drug substance stability-indicating methods (SIMs) must undergo a litany of optimization and robustness stresses to ensure that the methods can be successfully…”
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6
Enantioselective Synthesis of a γ‑Secretase Modulator via Vinylogous Dynamic Kinetic Resolution
Published in Journal of organic chemistry (21-09-2018)“…Two efficient asymmetric routes to γ-secretase modulator BMS-932481, under investigation for Alzheimer’s disease, have been developed. The key step for the…”
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7
A photochemical kinetic model for solid dosage forms
Published in European journal of pharmaceutics and biopharmaceutics (01-11-2017)“…[Display omitted] Photochemical kinetic models to describe the solution phase degradation of pharmaceutical compounds have been extensively reported, but…”
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8
Process Development and Scale-up of a Multicomponent Synthesis of a 3‑Methyl-1-aryl-1,2,4-triazole Building Block
Published in Organic process research & development (21-02-2020)“…The classical preparation of 3-methyl-1-aryl-1,2,4-triazoles through an SNAr reaction pathway results in a mixture of N-regioisomers. Removal of the unwanted…”
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9
Synthesis of the Spirofungin B Core by a Reductive Cyclization Strategy
Published in Organic letters (28-04-2005)“…A reductive decyanation approach to the synthesis of the core of spirofungin B has been developed. Spirofungin B has only one anomeric stabilization in the…”
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10
Preparation of the HIV Attachment Inhibitor BMS-663068. Part 2. Strategic Selections in the Transition from an Enabling Route to a Commercial Synthesis
Published in Organic process research & development (18-08-2017)“…During the process of developing a synthesis to a complex molecule, multiple decisions are made regarding the strategies and tactics used to prepare key bonds…”
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Preparation of the HIV Attachment Inhibitor BMS-663068. Part 6. Friedel–Crafts Acylation/Hydrolysis and Amidation
Published in Organic process research & development (18-08-2017)“…The development of a process for appending the oxalyl amide side chain to the azaindole core of the HIV-attachment inhibitor BMS-663068 is described. A…”
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12
Preparation of the HIV Attachment Inhibitor BMS-663068. Part 1. Evolution of Enabling Strategies
Published in Organic process research & development (18-08-2017)“…The development of two enabling routes that led to the production of >1000 kg of BMS-663068 (3) is described. The route identified for the initial 100 kg…”
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Preparation of the HIV Attachment Inhibitor BMS-663068. Part 4. Synthesis of the 6‑Azaindole Core
Published in Organic process research & development (18-08-2017)“…We report research focused on the construction of the 6-azaindole core, a key intermediate in the synthesis of the clinical candidate BMS-663068. The work…”
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14
Preparation of the HIV Attachment Inhibitor BMS-663068. Part 8. Installation of the Phosphonoxymethyl Prodrug Moiety
Published in Organic process research & development (18-08-2017)“…The reaction optimization of an alkylation to enable the production of the penultimate intermediate of an HIV-attachment inhibitor candidate is described. To…”
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15
Preparation of the HIV Attachment Inhibitor BMS-663068. Part 9. Active Pharmaceutical Ingredient Process Development and Powder Properties
Published in Organic process research & development (18-08-2017)“…This final communication, of a nine part publication series, details the process development history for the final synthetic step to prepare the drug substance…”
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16
A Reductive Cyclization Approach to Attenol A
Published in Journal of organic chemistry (30-03-2007)“…A reductive cyclization strategy was applied to the synthesis of attenol A. This nontraditional approach to the spiroacetal structure illustrated several…”
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17
Stereoselectivity of Intramolecular SN‘ Cyclizations of Alkyllithium Reagents on Methoxy Alkenes
Published in Journal of organic chemistry (03-02-2006)“…The cyclization of alkyllithium reagents onto methoxy alkenes has been investigated. The alkyllithium reagent was generated by reductive lithiation of an alkyl…”
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18
An azirine solid-state photodegradant of the CCR2/CCR5 dual antagonist BMS-813160
Published in Tetrahedron letters (09-11-2022)“…[Display omitted] The synthesis of the CCR2/5 dual chemokine antagonist BMS-813160 (1) presented a number of interesting impurity and degradant structure…”
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Stereoselectivity of Intramolecular S N ‘ Cyclizations of Alkyllithium Reagents on Methoxy Alkenes
Published in Journal of organic chemistry (03-02-2006)Get full text
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20
Living in the Outskirts
Published 01-01-2013“…Living in the Outskirts is a bildungsroman collection of short stories of a young Chicano growing up in the Rio Grande Valley town of Elsa, Texas. In the…”
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Dissertation