Preparation of 1,1,1,3,3-pentachloropropane by photochlorination

Details Preparation of 1,1,1,3,3-pentachloropropane by photochlorination Preparation of 1,1,1,3,3-pentachloropropane by photochlorination

1996-08-08

1998-01-06

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415763, 20415794, 570101, C07F 100, C07F 300, C07C 1700, C07C 1900

Patent

active

057057796

ABSTRACT:
A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) an HFC blowing agent which is not destructive to the ozone layer.

REFERENCES:
Rotshtein et al., "Distribution of Isomers During the Chlorination of Chloropropanes", Zh. Org. Khim., Vol. 7, No. 1, pp. 26-27 (abstract only), ?/1971, month unavailable.

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