2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

Base Information

Chemical Name:2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline
CAS No.:78702-72-4
Molecular Formula:C₂₁H₃₀N₃OP
Molecular Weight:371.462
Hs Code.:

Synonyms:2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

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Chemical Property of 2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

Chemical Property:

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Technology Process of 2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

There total 5 articles about 2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline 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:

: 91-21-4
1,2,3,4-tetrahydroisoquinoline

: 78702-72-4
2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / Et₃N / diethyl ether / 6 h / Heating

2: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) room temp.

3: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) -78 deg C, 3 h, then room t.

With n-butyllithium; triethylamine; In diethyl ether;
DOI:10.1016/S0040-4020(01)91914-3

Reference yield:

: 76068-81-0
1-(3,4-dihydroisoquinolin-2(1H)-yl)-2,2-dimethylpropan-1-one

: 78702-72-4
2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

Guidance literature:: Multi-step reaction with 4 steps

1: NaAlH₂(OCH₂CH₂OCH₃)2 / tetrahydrofuran / 7 h / 0 - 5 °C / further solvent, varying concentration, temperature and reaction time

2: 91 percent / Et₃N / diethyl ether / 6 h / Heating

3: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) room temp.

4: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) -78 deg C, 3 h, then room t.

With n-butyllithium; triethylamine; sodium bis(2-methoxyethoxy)aluminium dihydride; In tetrahydrofuran; diethyl ether;
DOI:10.1016/S0040-4020(01)91914-3

Reference yield:

: 78702-53-1
2-bis(dimethylamino)phosphinoyl-1,2,3,4-tetrahydroisoquinoline

: 78702-72-4
2-bis(dimethylamino)phosphinoyl-1-benzyl-1-methyl-1,2,3,4-tetrahydroisoquinoline

Guidance literature:: Multi-step reaction with 2 steps

1: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) room temp.

2: 1) n-BuLi / 1) THF, -78 deg C, 1 h; 2) -78 deg C, 3 h, then room t.

With n-butyllithium;
DOI:10.1016/S0040-4020(01)91914-3