(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

Base Information

Chemical Name:(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione
CAS No.:332048-60-9
Molecular Formula:C₂₂H₃₂N₂O₆
Molecular Weight:420.506
Hs Code.:

Synonyms:(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

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Chemical Property of (-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

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Technology Process of (-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

There total 4 articles about (-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione 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: 85.0%

: 332048-55-2
(+)-2-(2-(N,N'-bis(t-butoxycarbonyl)hydrazino)-3-phenylpropanoyl)-2-(R)-ethyl-1,3-dithiane 1-(R)-oxide

: 332048-60-9
(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

Guidance literature:: With N-Bromosuccinimide; water; In acetone; at 0 ℃;
DOI:10.1016/S0040-4020(00)00923-6

Reference yield:

: 175230-84-9
2-(1-hydroxy-3-phenylpropyl)-2-ethyl-1,3-dithiane

: 332048-60-9
(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

Guidance literature:: Multi-step reaction with 4 steps

1.1: 98 percent / TFAA; DMSO; triethylamine / CH₂Cl₂ / 2.5 h / -78 - 20 °C

2.1: 81 percent / titanium(IV) isopropoxide; (+)-diethyl tartrate; cumene hydroperoxide / CH₂Cl₂ / 72 h / -30 °C

3.1: lithium hexamethyldisilazide / tetrahydrofuran / -78 °C

3.2: 93 percent / tetrahydrofuran; CH₂Cl₂ / 0.08 h / -78 °C

4.1: 85 percent / N-bromosuccinimide; water / acetone / 0 °C

With titanium(IV) isopropylate; N-Bromosuccinimide; Cumene hydroperoxide; water; dimethyl sulfoxide; (+)-Weinsaeure-diethylester; triethylamine; trifluoroacetic anhydride; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane; acetone; 1.1: Swern oxidation / 2.1: Oxidation / 3.1: Metallation / 3.2: Addition / 4.1: Hydrolysis;
DOI:10.1016/S0040-4020(00)00923-6

Reference yield:

: 175230-85-0
2-(3-phenylpropanoyl)-2-ethyl-1,3-dithiane

: 332048-60-9
(-)-2-(S)-(N,N'-bis(t-butoxycarbonyl)hydrazino)-1-phenylhexan-3,4-dione

Guidance literature:: Multi-step reaction with 3 steps

1.1: 81 percent / titanium(IV) isopropoxide; (+)-diethyl tartrate; cumene hydroperoxide / CH₂Cl₂ / 72 h / -30 °C

2.1: lithium hexamethyldisilazide / tetrahydrofuran / -78 °C

2.2: 93 percent / tetrahydrofuran; CH₂Cl₂ / 0.08 h / -78 °C

3.1: 85 percent / N-bromosuccinimide; water / acetone / 0 °C

With titanium(IV) isopropylate; N-Bromosuccinimide; Cumene hydroperoxide; water; (+)-Weinsaeure-diethylester; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane; acetone; 1.1: Oxidation / 2.1: Metallation / 2.2: Addition / 3.1: Hydrolysis;
DOI:10.1016/S0040-4020(00)00923-6