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Phosphorus oxychloride → 7-Benzyloxy-4-chloro-5-tetrahydropyran-4-yloxyquinazoline

HRID 1373300
Notes
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Reaction equation

HRID 1373300 reaction equation
[CH2:1]([O:8][C:9]1[CH:18]=[C:17]2[C:12]([C:13](=O)[NH:14][CH:15]=[N:16]2)=[C:11]([O:20][CH:21]2[CH2:26][CH2:25][O:24][CH2:23][CH2:22]2)[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.P(Cl)(Cl)([Cl:29])=O.C(N(C(C)C)CC)(C)C>ClCCCl>[CH2:1]([O:8][C:9]1[CH:18]=[C:17]2[C:12]([C:13]([Cl:29])=[N:14][CH:15]=[N:16]2)=[C:11]([O:20][CH:21]2[CH2:26][CH2:25][O:24][CH2:23][CH2:22]2)[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 24813Phosphorus oxychlorideHCID 81531DiisopropylethylamineHCID 1358309117-Benzyloxy-5-tetrahydropyran-4-yloxy-3,4-dihydroquinazolin-4-one

Product 1

HCID 221408227-Benzyloxy-4-chloro-5-tetrahydropyran-4-yloxyquinazoline

Reagents, catalysts & solvents 1

HCID 111,2-DichloroethaneSolvent

Conditions

Temperature
80 °C

Procedure

A mixture of 7-benzyloxy-5-tetrahydropyran-4-yloxy-3,4-dihydroquinazolin-4-one (9 g), phosphoryl chloride (2.8 ml), di-isopropylethylamine (11.4 ml) and 1,2-dichloroethane (130 ml) was stirred and heated to 80° C. for 3 hours. The mixture was evaporated to give 7-benzyloxy-4-chloro-5-tetrahydropyran-4-yloxyquinazoline which was used without further purification.

Workup

  1. customThe mixture was evaporated

Sources & evidence

ORD record
ord-37c58e4f4bbf458fa403026ee092f4c8
Source dataset
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07160891B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes