Global Patent Index - EP 1001919 A4

EP 1001919 A4 2000-10-11 - EFFICIENT SYNTHESIS OF CYCLOPROPYLACETYLENE

Title (en)

EFFICIENT SYNTHESIS OF CYCLOPROPYLACETYLENE

Title (de)

EFFIZIENTE SYNTHESE VON CYCLOPROPYLACETYLEN

Title (fr)

SYNTHESE EFFICACE DE CYCLOPROPYLACETYLENE

Publication

EP 1001919 A4 (EN)

Application

EP 98937309 A

Priority

  • GB 9800464 A
  • US 9815957 W
  • US 5486097 P

Abstract (en)

[origin: WO9907657A1] An efficient and facile process for the preparation of cyclopropylacetylene from thioanisole and cyclopropyl substituted ketones or aldehydes is disclosed

IPC 1-7 (main, further and additional classification)

C07C 13/04; C07C 1/32

IPC 8 full level (invention and additional information)

C07C 1/32 (2006.01); C07C 13/04 (2006.01)

CPC (invention and additional information)

C07C 13/04 (2013.01); C07C 2601/02 (2017.05)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9907657A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

WO 9907657 A1 19990218; AU 738790 B2 20010927; AU 8604998 A 19990301; CA 2298835 A1 19990218; EP 1001919 A1 20000524; EP 1001919 A4 20001011; JP 2001513518 A 20010904

INPADOC legal status


2003-09-10 [18R] REFUSED

- Effective date: 20030418

2001-08-01 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010618

2000-10-11 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000824

2000-10-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

2000-10-11 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7C 07C 13/04 A, 7C 07C 1/32 B, 7C 07C 4/00 -

2000-05-24 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000306

2000-05-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE