Tin tetrachloride → Ethyl 4-[1-(6-methyl-pyrid-3-yl)-3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoate

HRID 2613

Reaktionsgleichung

Reaktionsgleichung von HRID 2613
[CH3:1][C:2]1S[C:5]([C:7]2[C:20]3[C:11](=[CH:12][C:13]4[C:18]([CH:19]=3)=[C:17]([C:21]3[CH:31]=[CH:30][C:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])=[CH:23][CH:22]=3)[CH:16]=[CH:15][CH:14]=4)[C:10]([CH3:33])([CH3:32])[CH2:9][CH:8]=2)=[CH:4][CH:3]=1.C[C:35]1C=CC(C2(C=O)C3C(=CC=CC=3)C(C)(C)CC2)=C[N:36]=1.C(OP(C(OC)(OC)CCC1C=CC(C(OCC)=O)=CC=1)(OCC)=O)C.COC(OC)C/C(/C1C=CC(C(OCC)=O)=CC=1)=C\C1C=C2C(C(C)(C)CC=C2C2C=CC(C)=CC=2)=CC=1.Cl[Sn](Cl)(Cl)Cl>ClCCl>[CH3:1][C:2]1[N:36]=[CH:35][C:5]([C:7]2[C:20]3[C:11](=[CH:12][C:13]4[C:18]([CH:19]=3)=[C:17]([C:21]3[CH:31]=[CH:30][C:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])=[CH:23][CH:22]=3)[CH:16]=[CH:15][CH:14]=4)[C:10]([CH3:33])([CH3:32])[CH2:9][CH:8]=2)=[CH:4][CH:3]=1

Komponenten

7

Versuchsvorschrift

This compound is prepared in accordance with the procedure described for the preparation of ethyl 4-[1(5-methyl-thien-2-yl)3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoate (Compound 3), from 1(2-methyl-pyrid-5-yl)3,4-dihydro-4,4-dimethyl-naphthaldehyde (Compound K) by reaction with ethyl 4-(diethoxyphosphoryl-3,3-dimethoxypropyl)benzoate (Compound D) and proceeding through the intermediate ethyl 4-[1-(2,2-dimethoxyethyl)-2-{1-(tol-4-yl)3,4-dihydro-4,4-dimethyl-naphthalen-7-yl}-(E)-ethen-1-yl]-benzoate which is cyclized by treatment with SnCl4 in dichloromethane to give the title compoud.

Aufarbeitung

  1. customThis compound is prepared in accordance with the procedure
  2. customto give the title compoud

Quellen und Nachweise

ORD-Eintrag
ord-de21c57f77f8433f83a69b0d8925f4c7
Quelldatensatz
uspto-grants-1998_03
Patentnummer
US05728846

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