1. An electrical cord locking connector comprising:
first and second electrical cords, each having a pair of current-carrying conductors and a grounding conductor,
said first cord having an end provided with a plug having at least three prongs, one of which is connected to the grounding conductor thereof,
said second cord having an end provided with a socket having at least three openings therein for receiving corresponding prongs of said first cord,
said socket having an outwardly projecting shoulder for preventing improper mating of said prongs and openings, and
said plug having a releasable latch member projecting therefrom and engaging said shoulder when the plug and socket are properly mated to prevent separation of the plug and socket during use of the cords.
2. The connector as claimed in claim 1, wherein said latch member comprises a plate element having an opening therein for receiving said shoulder when the plug and socket are mated.
3. The connector as claimed in claim 2, wherein said plate element is composed of a resilient material permitting the element to flex as the plug and socket are mated to clear said shoulder until the opening registers therewith.
4. The connector as claimed in claim 2, wherein said plate element is elongated and flexible and has inner and outer end portions, said outer end portion having said opening therein, said inner end portion being secured to said plug, whereby the plate element is flexed as the cords are connected and shifts to a locking position receiving the shoulder when the opening registers with the shoulder.
5. The connector as claimed in claim 2, wherein said plate element has a generally T-shaped configuration and presents a head having said opening therein for receiving said shoulder, and a stem portion secured to said plug.
6. The connector as claimed in claim 5, further comprising a self-tapping screw securing said stem portion to said plug.
7. The connector as claimed in claim 1, wherein said latch member has a lip for engaging said shoulder when the plug and the socket are mated.
8. The connector as claimed in claim 1, wherein said socket has a generally circular face presenting said openings, said shoulder projecting outwardly from said face between two of said openings connected to respective current-carrying conductors and from a side of said socket opposite said grounding conductor.
9. An electrical connector comprising:
first and second electrical connecting devices, each having at least a pair of current-carrying conductors,
said first device having an end provided with a plug having at least two prongs,
said second device having an end provided with a socket having at least two openings therein for receiving corresponding prongs of said first device,
said socket having an outwardly projecting shoulder, and
said plug having a releasable latch member projecting therefrom and engaging said shoulder when the plug and socket are mated to prevent separation of the plug and socket during use.
10. The connector as claimed in claim 9, wherein said latch member comprises a plate element having an opening therein for receiving said shoulder when the plug and socket are mated.
11. The connector as claimed in claim 10, wherein said plate element is composed of a resilient material permitting the element to flex as the plug and socket are mated to clear said shoulder until the opening registers therewith.
12. The connector as claimed in claim 10, wherein said plate element is elongated and flexible and has inner and outer end portions, said outer end portion having said opening therein, said inner end portion being secured to said plug, whereby the plate element is flexed as the devices are connected and shifts to a locking position receiving the shoulder when the opening registers with the shoulder.
13. The connector as claimed in claim 10, wherein said plate element has a generally T-shaped configuration and presents a head having said opening therein for receiving said shoulder, and a stem portion secured to said plug.
14. The connector as claimed in claim 13, further comprising a self-tapping screw securing said stem portion to said plug.
15. The connector as claimed in claim 9, wherein said latch member has a lip for engaging said shoulder when the plug and the socket are mated.
16. A replacement cord cap assembly comprising:
first and second electrical connecting devices, each having at least a pair of current-carrying conductive elements and a grounding conductor,
said first device having an end presenting a plug having first and second prongs connected with respective current-carrying elements thereof, and a third prong connected with said grounding conductor thereof,
said second device having an end provided with a socket presenting a generally circular face and having at least three openings therein for receiving corresponding prongs of said first device, a pair of said openings being presented by respective current-carrying elements of said second device,
said socket having an outwardly projecting shoulder at said face adjacent said pair of openings, and
said plug having a releasable latch member projecting therefrom and engaging said shoulder when the plug and socket are mated, thereby preventing separation of the plug and socket under force until the latch member is disengaged.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A process comprising:
(a) reacting 3-hydrazinopyridine dihydrochloride with methyl acrylate, under basic conditions, to yield 1-(pyridin-3-yl)pyrazolidin-3-one; and
(b) chlorinating 1-(pyridine-3-yl)pyrazolidin-3-one with phosphoryl chloride (POCl3) to yield dihydropyrazole chloride (5a)
2. (canceled)
3. A process comprising nitrating 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b) to yield 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c)
4. A process comprising reducing 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c) to yield 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d)
5. A process comprising reacting 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d) with an activated carbonyl thioether of formula X1C(\u2550O)C1-C4-alkyl-S\u2014R1 to yield pesticidal thioether (3b)
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
X1 is selected from the group consisting of Cl, OC(\u2550O)C1-C4 alkyl, and a group that forms an activated carboxylic acid.
6. A process comprising alkylating pesticidal thioether (3b) with R2\u2014X2 to yield pesticidal thioether (3c),
wherein,
X2 is a leaving group,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl.
7. A process for producing 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b) said process comprising
(a) reacting 3-hydrazinopyridine dihydrochloride with methyl 2-acetamidoacrylate to yield N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide; and
(b) chlorinatingeliminating N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide to yield 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
8. A process comprising
(a) reacting 3-chloro-N-ethyl-1-(pyridin-3-yl)-1H-pyrazol-amine (5d) with 3-chloropropionyl chloride to yield 3-chloro-N-(3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-yl)-N-ethylpropanamide (5e);
(b) reacting compound (5e) with HSR1
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl
to yield pesticidal thioether (5f)
9. A process comprising:
(a) nitrating 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
to yield 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c)
(b) reducing 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c) to yield 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d)
(c) reacting 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d) with an activated carbonyl thioether of formula X1C(\u2550O)C1-C4-alkyl-S\u2014R1 to yield pesticidal thioether (3b)
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
X1 is selected from the group consisting of Cl, OC(\u2550O)C1-C4 alkyl, and a group that forms an activated carboxylic acid; and
(d) alkylating pesticidal thioether (3b) with R2\u2014X2 to yield pesticidal thioether (3c),
wherein,
X2 is a leaving group, and
R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl.
10. A process comprising:
(a) reacting 3-hydrazinopyridine dihydrochloride with methyl 2-acetamidoacrylate to yield N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide
(b) chlorinatingeliminating N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide to yield 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
(c) nitrating 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b) to yield 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c)
(d) reducing 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c) to yield 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d)
(e) reacting 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d) with an activated carbonyl thioether of formula X1C(\u2550O)C1-C4-alkyl-S\u2014R1 to yield pesticidal thioether (3b)
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
X1 is selected from the group consisting of Cl, OC(\u2550O)C1-C4 alkyl, and a group that forms an activated carboxylic acid; and
(f) alkylating pesticidal thioether (3b) with R2\u2014X2 to yield pesticidal thioether (3c),
wherein,
X2 is a leaving group, and
R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl.
11. A process comprising:
(a) nitrating 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
to yield 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c)
(b) reducing 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c) to yield 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d)
(c)
(1) reacting 3-chloro-N-ethyl-1-(pyridin-3-yl)-1H-pyrazol-amine (5d) with 3-chloropropionyl chloride to yield 3-chloro-N-(3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-yl)-N-ethylpropanamide (5e);
(2) reacting compound (5e) with HSR1
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl
to yield pesticidal thioether (5f)
and
(d) alkylating pesticidal thioether (5f) with R2\u2014X2 to yield pesticidal thioether (5g),
wherein,
X2 is a leaving group, and
R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl.
12. A process comprising:
(a) reacting 3-hydrazinopyridine dihydrochloride with methyl 2-acetamidoacrylate to yield N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide
(b) chlorinatingeliminating N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide to yield 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
(c) nitrating 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b) to yield 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c)
(d) reducing 3-(3-chloro-4-nitro-1H-pyrazol-1-yl)pyridine (5c) to yield 3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-amine (5d)
(e)
(1) reacting 3-chloro-N-ethyl-1-(pyridin-3-yl)-1H-pyrazol-amine (5d) with 3-chloropropionyl chloride to yield 3-chloro-N-(3-chloro-1-(pyridin-3-yl)-1H-pyrazol-4-yl)-N-ethylpropanamide (5e);
(2) reacting compound (5e) with HSR1
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl to yield pesticidal thioether (5f)
and
(f) alkylating pesticidal thioether (5f) with R2\u2014X2 to yield pesticidal thioether (5g),
wherein,
X2 is a leaving group, and
R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl.
13. A compound 1-(pyridin-3-yl)pyrazolidin-3-one
14. A compound N-(3-oxo-1-(pyridin-3-yl)pyrazolidin-4-yl)acetamide
15. A compound 3-chloro-N-(3-chloro-1-(pyridine-3-yl)-1H-pyrazol-4-yl)propanamide (5e)
16. A compound 3-(3-chloro-4,5-dihydro-1H-pyrazol-1-yl)pyridine (5a)
17.-19. (canceled)
20. A process according to claim 6, wherein thioether (3c)
is prepared by alkylating thioether (3b) with R2\u2014X2
wherein R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl,
wherein X2 is a leaving group,
in the presence of a base, in the presence of a polar aprotic solvent, and in the presence of an additive.
21. A process according to claim 11, wherein thioether (5g)
is prepared by alkylating thioether (5f) with R2\u2014X2
wherein R2 is selected from the group consisting of C1-C4-alkyl and C2-C4-alkynyl,
wherein X2 is a leaving group,
in the presence of a base, in the presence of a polar aprotic solvent, and in the presence of an additive.
22.-28. (canceled)
29. A process according to claim 5, wherein X1C(\u2550O)C1-C4-alkyl-S\u2014R1,
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
X1 is selected from the group consisting of Cl, OC(\u2550O)C1-C4 alkyl, and a group that forms an activated carboxylic acid is prepared from
which is prepared by the photochemical free-radical coupling of 3-mercaptopropionic acid and esters thereof with 3,3,3-trifluoropropene in the presence of 2,2-dimethoxy-2-phenylaceto-phenone initiator and long wavelength UV light in an inert organic solvent.
30. A process according to claim 5, wherein X1C(\u2550O)C1-C4-alkyl-S\u2014R1,
wherein,
R1 is selected from the group consisting of C1-C4-haloalkyl and C1-C4-alkyl-C3-C6-halocycloalkyl, and
X1 is selected from the group consisting of Cl, OC(\u2550O)C1-C4 alkyl, and a group that forms an activated carboxylic acid is prepared from
which is prepared by the low temperature free-radical initiated coupling of 3-mercaptopropionic acid with 3,3,3-trifluoropropene in the presence of 2,2\u2032-azobis(4-methoxy-2,4-dimethyl) valeronitrile (V-70) initiator at temperatures of about \u221250\xb0 C. to about 40\xb0 C. in an inert organic solvent.
31. (canceled)