2,4-Dimethylbenzaldehyde → HCID 20542999, compound

HRID 2286103Notes

Reaction equation

HRID 2286103 reaction equation
[Br-].[CH3:2][C:3]1([CH3:36])[CH2:12][CH2:11][C:10]([CH3:14])([CH3:13])[C:9]2[CH:8]=[C:7]([CH:15]([P+](C3C=CC=CC=3)(C3C=CC=CC=3)C3C=CC=CC=3)[CH3:16])[CH:6]=[CH:5][C:4]1=2.[CH3:37][C:38]1[CH:45]=[C:44]([CH3:46])[CH:43]=[CH:42][C:39]=1[CH:40]=O>>[CH3:16]/[C:15](/[C:7]1[CH:8]=[C:9]2[C:4](=[CH:5][CH:6]=1)[C:3]([CH3:36])([CH3:2])[CH2:12][CH2:11][C:10]2([CH3:14])[CH3:13])=[CH:40]\[C:39]1[CH:42]=[CH:43][C:44]([CH3:46])=[CH:45][C:38]=1[CH3:37]

Participants

3

Reactant 2

HCID 618142,4-DimethylbenzaldehydeHCID 11238302Triphenyl(1-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)phosphonium bromide

Product 1

HCID 20542999HCID 20542999, compound

Procedure

In a manner analogous to that described in Example 1, from [1-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)ethyl]-triphenylphosphonium bromide and 2,4-dimethyl-benzaldehyde there can be obtained 6-[(E)-α,2,4-trimethylstyryl]-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene of melting point 54°-56° C.

Sources & evidence

ORD record
ord-4874d1277b5b4c9a9fb76955d1faf940
Source dataset
uspto-grants-1982_04
Patent number
US04326055

Reaction notes

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