{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

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Chemical Name:{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester
CAS No.:1433402-34-6
Molecular Formula:C₂₀H₃₀BClFNO₄
Molecular Weight:413.725
Hs Code.:

Synonyms:{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

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Chemical Property of {(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

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Technology Process of {(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

There total 7 articles about {(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 30.0%

: 61676-62-8
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

: 1433401-71-8
[(R)-1-(4-chloro-2-fluoro-phenyl)-propyl]-carbamic acid tert-butyl ester

: 1433402-34-6
{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

Guidance literature:: [(R)-1-(4-chloro-2-fluoro-phenyl)-propyl]-carbamic acid tert-butyl ester; With n-butyllithium; In tetrahydrofuran; hexane; at -70 - -65 ℃; for 15h;

With sec.-butyllithium; In tetrahydrofuran; hexane; cyclohexane; at -65 ℃; for 1.08333h;

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; In tetrahydrofuran; hexane; cyclohexane; at -65 ℃; for 3h;

Reference yield:

: 926664-60-0
(R)-(+)-2-methyl-propane-2-sulfinic acid (E)-1-(4-chloro-2-fluoro-phenyl)-methylideneamide

: 1433402-34-6
{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: tetrahydrofuran; diethyl ether / 3 h / -78 - -70 °C / Inert atmosphere; Large scale

1.2: 1.33 h / 20 °C / Inert atmosphere; Large scale

1.3: Heating; Large scale

2.1: sodium hydroxide / tetrahydrofuran / 1 h / 20 °C / Large scale

2.2: 20 °C / Large scale

3.1: n-butyllithium / tetrahydrofuran; hexane / 15 h / -70 - -65 °C

3.2: 1.08 h / -65 °C

3.3: 3 h / -65 °C

With n-butyllithium; sodium hydroxide; In tetrahydrofuran; diethyl ether; hexane;

Reference yield:

: 61072-56-8
4-chloro-2-fluorobenzaldehyde

: 1433402-34-6
{(R)-1-[4-chloro-2-fluoro-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: titanium(IV) tetraethanolate / dichloromethane / 20 °C / Large scale

1.2: 1 h / Large scale

2.1: tetrahydrofuran; diethyl ether / 3 h / -78 - -70 °C / Inert atmosphere; Large scale

2.2: 1.33 h / 20 °C / Inert atmosphere; Large scale

2.3: Heating; Large scale

3.1: sodium hydroxide / tetrahydrofuran / 1 h / 20 °C / Large scale

3.2: 20 °C / Large scale

4.1: n-butyllithium / tetrahydrofuran; hexane / 15 h / -70 - -65 °C

4.2: 1.08 h / -65 °C

4.3: 3 h / -65 °C

With titanium(IV) tetraethanolate; n-butyllithium; sodium hydroxide; In tetrahydrofuran; diethyl ether; hexane; dichloromethane;