Protonation and alkylation of cross-conjugated ω,ω'- bis(dimethylamino) ketones (ketocyanines) containing the piperidine ring and the synthesis of the corresponding thiapentacarbocyanine dyes

DOI: 10.1007/s11172-010-0166-4

Source and publish data:

Russian Chemical Bulletin p. 812 - 819 (2010)

Update date:2022-07-30

Topics:

Authors:

Krasnaya

Tret'Yakova

Kachala Kachala

Zlotin Zlotin

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Article abstract of DOI:10.1007/s11172-010-0166-4

Protonation or alkylation of 3,5-bis(3-dimethylaminoprop-2-enylidene)-1- methylpiperi-din-4-one with Et₂O HBF₄, Et ₃O+BF₄-, Me₂SO₄, or Et ₂SO₄ (1 equiv.) involves the

Full text of DOI:10.1007/s11172-010-0166-4

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