Preparation of styryl dyes

Details Preparation of styryl dyes Preparation of styryl dyes

2005-02-08

2005-02-08

Tsang, Cecilia (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C008S636000

Reexamination Certificate

active

06852873

ABSTRACT:
Process for preparing compounds of the formula (I)whereR1, R2and R3are independently hydrogen, alkyl or cycloalkyl, characterized in that an aldehyde of the formula (II)is reacted with CH2(CN)2in the presence of butanol.

REFERENCES:
patent: 3787476 (1974-01-01), Ernst-Heinrich Rohe
patent: 3920719 (1975-11-01), Desai et al.
patent: 3920720 (1975-11-01), Breecken
patent: 1110714 (1968-04-01), None

Affiliated with

Also associated with

Rating

Preparation of styryl dyes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of styryl dyes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of styryl dyes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3457626