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Title: Substituted dipyrromethanes and their preparation

New chemical compounds, bis(pyrrol-2-yl)halocarbylmethanes, also known as meso-halocarbyl dipyrromethanes, are made by reacting pyrrole in either of two reaction schemes. One such scheme converts pyrrole through an intermediate, a halocarbyl carbonyl pyrrole, to a [2-(1-hydroxyl-1-hydro1-halocarbyl)pyrrole], and then converts the latter to the desired halocarbyldipyrromethane; the last step in this scheme is a novel and useful method in itself. The other such sequence converts pyrrole, by reaction with a halocarbyl aldehyde, directly to the desired halocarbyl dipyrromethane.
Inventors:
Issue Date:
OSTI Identifier:
434160
Assignee:
Sun Co., Inc., Philadelphia, PA (United States) PTO; SCA: 400201; PA: EDB-97:035514; SN: 97001726603
Patent Number(s):
US 5,599,948/A/
Application Number:
PAN: 8-641,796
Contract Number:
FC21-90MC26029
Resource Relation:
Other Information: PBD: 4 Feb 1997
Research Org:
Sun Refining and Marketing Company
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; ORGANIC NITROGEN COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; CHEMICAL PREPARATION; PYRROLES; CARBONYLS; ALDEHYDES; CHEMICAL REACTIONS