Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i

Details Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i

1990-07-16

1991-10-22

Gray, Bruce

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

Organic compounds

Oxygen containing

C07C 4500

Patent

active

050597175

ABSTRACT:
The method according to the present invention comprises purification of 2,2'-di-(1,6,7-trihydroxy-3-methyl-5-isopropyl-8-naphthaldehyde) by crystallization from a solution thereof in diethyl ether with a concentration of 0.002-0.2 g/ml by adding 0.25-3 parts of hexane by volume (of diethyl ether) keeping the mixture at a temperature of from 10.degree. to 30.degree. C., separation of the resulting precipitate and drying thereof to give the desired product.

REFERENCES:
Kadan et al. Cereal Chem. 55 (6): 916-926, 1978.
Campbell et al. J. A. C. S. 59 (5) pp. 1723-1728, 1937.

Affiliated with

Also associated with

Rating

Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for purification of 2,2'-di(1,6,7-trihydroxy-3-methyl-5-i will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-109495